Wiki source code of The FLASH HDF5 structure

Version 93.5 by sndueste on 2025/05/19 16:48

version	line-number	content
44.1	1	{{layout}}
	2	{{layout-section ac:type="single"}}
	3	{{layout-cell}}
1.1	4	== Contents ==
	5
	6
	7
13.1	8	{{toc/}}
1.1	9
	10
	11	== General information about HDF5 ==
	12
84.1	13	HDF5 is a data format maintained by the HDF group. For detailed general information see [[here>>url:https://portal.hdfgroup.org/display/support\|\|shape="rect"]]
1.1	14
84.1	15	To download the HDF5 Viewer click [[here>>url:https://portal.hdfgroup.org/display/support/Download+HDFView\|\|shape="rect"]]
1.1	16
79.1	17	For use on the DESY Maxwell or PAL (max-fsc or pal) hdfview is available in the xray module :
	18	{{code language="none"}}> module load xray{{/code}}
1.1	19	{{code language="none"}}> hdfview{{/code}}
	20
49.1	21	or you can use
	22
79.1	23	{{code language="none"}}
	24	> silx view
	25	{{/code}}
49.1	26
	27
4.1	28	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	29
45.1	30	== The FLASH HDF5 format ==
1.1	31
45.1	32	FLASH provides a conversion of its data acquisition (DAQ) to the commonly used [[HDF5>>url:https://www.hdfgroup.org/solutions/hdf5/\|\|shape="rect"]] format. Correlated data are mapped by a primary index called train ID. Every data set has an individual index of train IDs to identify the data even when data are missing or deviate in update rate. If the data set of choice contains gaps, users have to decide how to treat missing values. DAQ channels are spread across various files with one file name pattern for each DAQ. This means users have to assemble data from different files if necessary.
40.1	33
	34	The hierarchy is realized using a human readable named HDF tree with each DAQ channel containing the data sets "//value//" and "//index//". Additionally, the HDF group //zraw// contains a tree of the original DAQ channel names.
	35
	36	Reference implementation, which follows the concept of Python libraries like Pandas, Xarray, or Dask, is given below.
	37
	38	{{expand title="Discontinued HDF formats"}}
47.1	39	=== Comparison to FLASH's deprecated HDF formats ===
40.1	40
	41	Before 2021, FLASH provided two different HDF formats formally known as //near-online// and //offline// HDF files.
	42
	43	All data sets were aligned by the same global index by filling in missing data. Fast DAQ channels (pulse synchronous data - update 10 Hz) are filled in by NaN or 0, slow channels (not pulse synchronous data - update e.g. 1 Hz ) are interpolated by the DAQs libraries, by keeping the value constant up to the next change.
	44
	45	While the near-online HDF files were converted live during the beamtime, the offline HDF files were manually compiled weeks/months later. Near-online HDF files were used by a provided API [[BeamtimeDaqAccess>>url:https://confluence.desy.de/display/FLASHUSER/Near-Online+data+analysis#Near-Onlinedataanalysis-BriefUserGuidetoBeamtimeDAQAccess\|\|shape="rect"]], which also searches for DAQ channels in files. With assembled files "by run", all DAQ channels were existing in the same HDF file. While shorter runs usually fitted into one file, longer runs still had to be aggregated over several files. The creation of the assembled type of files still involves the use of fairly unstable DAQ Mex-functions As the environment required for using the Mex-functions is already deprecated, its continued existence is uncertain.
	46
	47	The HDF hierarchy is almost identical in all formats. While in the the recent format each DAQ channel contains the data sets "value" and "index", the deprecated format had one data set for each DAQ channel. The deprecated formats supplies no time axis parameters for spectra data types.
45.1	48
	49
46.1	50	HDF5 example files (old format)
45.1	51
	52	Here we have a few HDF5 samples (User data combined with Photon diagnostics data) from a few beamtimes showing the different kind options.
	53
	54	[[image:attach:image2019-10-21_17-2-50.png\|\|thumbnail="true" width="300"]] [[download HDF5 (Images @ FL2)>>url:https://desycloud.desy.de/index.php/s/nyEgeCWJFC4gao2\|\|shape="rect"]]
	55
	56
	57	[[~[~[image:attach:image2019-10-22_10-52-27.png~\|~\|thumbnail="true" width="300"~]~]download HDF5 (GHz ADC and OPIS @ FL2)>>url:https://desycloud.desy.de/index.php/s/AeA2kPNNnZgX95A\|\|shape="rect"]]
	58
	59
79.1	60
40.1	61	{{/expand}}
	62
45.1	63	=== HDF examples: ===
44.1	64	{{/layout-cell}}
	65	{{/layout-section}}
40.1	66
44.1	67	{{layout-section ac:type="three_equal"}}
	68	{{layout-cell}}
79.1	69	* ADC data as example for fast data (10 Hz):
40.1	70
44.1	71	[[image:attach:image2020-11-16_15-26-28.png\|\|height="250"]]
	72	{{/layout-cell}}
	73
	74	{{layout-cell}}
71.1	75	* The //average// FEL pulse energy as example for the slow data. Here the data is not saved with 10 Hz - thus not for every FEL pulse train. The data is typically saved with 1 Hz if the values are changing (like the FEL energy) and every about 20 sec if there is no change for longer time ( e.g. motor set values). Thus to use the data together with the "fast" one, one has to interpolate the data as explained in the examples in the repos below show (e.g. {{code language="none"}}df['GMD_T_average'] = df['GMD_T_average'].interpolate(method='linear'){{/code}})
44.1	76
70.1	77	( as example only every 10th train ID is listed in the HDF group "index")
40.1	78
44.1	79	[[image:attach:image2020-11-16_15-31-45.png\|\|height="250"]]
	80	{{/layout-cell}}
	81
	82	{{layout-cell}}
41.1	83	* (((
44.1	84	//zraw// group contains the original DAQ (DOOCS) names
41.1	85	)))
40.1	86
41.1	87	of the properties saved in the DESY internal raw format. (For experts)
40.1	88
	89
44.1	90	[[image:attach:image2020-11-16_16-26-3.png\|\|height="400"]]
	91	{{/layout-cell}}
	92	{{/layout-section}}
41.1	93
44.1	94	{{layout-section ac:type="single"}}
	95	{{layout-cell}}
53.1	96	{{info}}
79.1	97	=== There are different options that help you to work with the FLASH HDF5 data in Python ===
40.1	98
78.1	99	* The currently developed option for large data sets: [[the FAB package>>url:https://hasfcpkg.desy.de/fab/fab.html\|\|shape="rect"]] ... see below
	100	* and for smaller projects: (% class="Object" %)[[https:~~/~~/gitlab.desy.de/christopher.passow/flash-daq-hdf>>url:https://gitlab.desy.de/christopher.passow/flash-daq-hdf\|\|shape="rect"]]
40.1	101
89.9	102	(% class="Object" %)See also the collection of Demo data and sample scripts : [[doc:FS-FLASH USER tmp.Data Acquisition and controls 1.DAQ and controls overview.Offline data analysis (DAQ).Collection of HDF5 sample data from different beamlines.WebHome]] and [[doc:FS-FLASH USER tmp.Data Acquisition and controls 1.DAQ and controls overview.Offline data analysis (DAQ).DEMO - Working with FLASH data.WebHome]]
40.1	103	{{/info}}
44.1	104	{{/layout-cell}}
	105	{{/layout-section}}
40.1	106
44.1	107	{{layout-section ac:type="single"}}
	108	{{layout-cell}}
63.1	109
	110
45.1	111	== Complete list of recordable parameters ==
40.1	112
84.1	113	The complete list for the relation between DOOCS names and HDF5 names for the recordable parameters can be found in [[DESY's Repository>>url:https://stash.desy.de/projects/CS/repos/pah/browse/src/camp/data/channel2HdfName.dat\|\|shape="rect"]].
1.1	114
79.1	115	== Most popular FLASH parameters and their names in HDF5, DOOCS and (raw) DAQ ==
1.1	116
30.1	117	{{id name="DOOCSparameters"/}}
	118
1.1	119
	120	=== FLASH1 ===
	121
93.2	122
93.5	123	In the Shutdown 2024 / 2025 the complete photon diagnostic and experiment control was renewed and thus the Doocs names and also some HDF5 names had to be changed. The new naming will be documented here as soon as the systems are online again.
93.2	124
93.5	125
1.1	126	==== Beamline info (FLASH1) ====
	127
79.1	128	{{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
	129	//always saved (PBD)//
	130	DOOCS prop : {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	131	DAQ channel: {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	132	desc: set pressure in the gas attenuator
1.1	133	units: mbar
	134
79.1	135	{{code language="none"}}/FL1/Beamlines/BL/Fast shutter/open{{/code}}
	136	//always saved (PBD)//
	137	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER/CH00.TD{{/code}}
	138	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER{{/code}}
	139	desc: BL Beamline Fast shutter state: 1 is open, 0 is closed ( for technical reasons there are 100 vales of this state saved ...)
1.1	140	units: none
	141
79.1	142	{{code language="none"}}/FL1/Beamlines/PG/Fast shutter/open{{/code}}
	143	//always saved (PBD)//
	144	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER/CH00.TD{{/code}}
	145	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER{{/code}}
	146	desc: PG Beamline Fast shutter state: 1 is open, 0 is closed ( for technical reasons there are 100 vales of this state saved ...)
1.1	147	units: none
	148
79.1	149	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 1{{/code}}
	150	//always saved (PBD)//
	151	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
	152	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
89.5	153	desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FS-FLASH USER tmp.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
1.1	154	units: degree
	155
79.1	156	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 2{{/code}}
	157	//always saved (PBD)//
	158	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
	159	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
89.5	160	desc: Position of the BL filter wheel 2 - to correlate with the filter material please look [[here>>doc:FS-FLASH USER tmp.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
1.1	161	units: degree
	162
79.1	163	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 1{{/code}}
	164	//always saved (PBD)//
	165	DOOCS prop : = TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS=
	166	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS{{/code}}
	167	desc: Position of the PG filter wheel 1
1.1	168	units: degree
	169
79.1	170	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 2{{/code}}
	171	//always saved (PBD)//
	172	DOOCS prop : {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	173	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	174	desc: Position of the PG filter wheel 2
1.1	175	units: degree
	176
79.1	177	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 3{{/code}}
	178	//always saved (PBD)//
	179	DOOCS prop : {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	180	DAQ channel: {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	181	desc: Position of the PG filter wheel 3
1.1	182	units: degree
8.1	183
1.1	184
8.1	185
34.1	186	NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. For more Info contact your local contact
8.1	187
4.1	188	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	189
8.1	190
39.1	191	==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html\|\|shape="rect"]]) ====
1.1	192
55.1	193	{{expand title="Discontinued GMD format (used until 2021)"}}
79.1	194	(% style="color:#000000" %)Discontinued GMD data recording / evaluation (VME + PhotonFlux ML server)
39.1	195
79.1	196	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
40.1	197	//always saved (PBD)//
34.1	198
79.1	199	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}} (%%)
	200	(% style="color:#000000" %)DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}(%%)
	201	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator (ion current)
1.1	202	units : microJ
	203
79.1	204	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
34.1	205	//always saved (PBD)//
	206
79.1	207	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT34/VAL{{/code}}
	208	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.USER{{/code}}
1.1	209	desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	210	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
1.1	211
79.1	212	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel (raw){{/code}}
	213	//always saved (PBD)//
	214	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT14/VAL{{/code}}
	215	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.FF{{/code}}
	216	desc :Energy per pulse Tunnel (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	217	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
1.1	218
79.1	219	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
34.1	220	//always saved (PBD)//
	221
79.1	222	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
	223	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
1.1	224	desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
	225	units : microJ
	226
79.1	227	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
34.1	228	//always saved (PBD)//
	229
79.1	230	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
	231	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
1.1	232	desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	233	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
1.1	234
79.1	235	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA (raw){{/code}}
	236	//always saved (PBD)//
	237	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT15/VAL{{/code}}
	238	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
	239	desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	240	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
54.1	241	{{/expand}}
1.1	242
34.1	243
79.1	244	(% style="color:#000000; letter-spacing:0px" %)NEW (since 2021) GMD data recording / evaluation (same format as FLASH2 and XFEL)
54.1	245
79.1	246	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	247	//always saved (PBD)//
	248	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
	249	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
39.1	250
79.1	251	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
39.1	252	units : microJ
	253
	254
79.1	255	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
39.1	256	//always saved (PBD)//
	257
79.1	258	(% style="color:#000000" %)DOOCS prop :
39.1	259	{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
	260
	261	desc : Energy per pulse measured in the Tunnel. In addition measurement errors and beam position are included for EACH pulse in the pulse train !! (see below)
89.4	262	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
39.1	263
	264	{{info title="GMD pulse resolved data structure"}}
79.1	265	For every pulse in the pulse train the information is saved:
39.1	266
	267	1. Intensity per pulse (a.u. (more or less µJ ))
	268	1. Intensity per pulse (auxillary GMD) - not used
	269	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	270	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	271	1. Intensity per pulse sigma (a.u. (more or less µJ ), (% style="color:#000000" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise, detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%))
39.1	272	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	273	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	274	1. Combined warning and error flags
	275
	276	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	277	file
	278
	279
	280	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
	281
79.1	282
39.1	283	{{/info}}
	284
79.1	285	All values for the GMD are also available for the BDA GMD which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between BDA and Tunnel signal shows the attenuation. BUT NOTE that the filter units are downstream the GMD. So if filters are used this influence is NOT measured by the GMD BDA !
39.1	286
	287
	288	Besides pulse energy the GMD also provides information about the beam position
	289
79.1	290	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
	291	//always saved (PBD)//
	292	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	293	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	294	desc :Beam position of the photon Beam determined by the GMD (BDA, x=horizontal)
1.1	295	units : mm
	296
79.1	297	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical{{/code}}
	298	//always saved (PBD)//
	299	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	300	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	301	desc :Beam position of the photon Beam determined by the GMD (BDA, y=vertical)
1.1	302	units : mm
	303
79.1	304	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal{{/code}}
	305	//always saved (PBD)//
	306	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	307	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	308	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, x=horizontal)
1.1	309	units : mm
	310
79.1	311	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical{{/code}}
	312	//always saved (PBD)//
	313	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	314	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	315	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, y=vertical)
1.1	316	units : mm
	317
39.1	318
	319	==== Spectrometer (FLASH1) ====
	320
79.1	321	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength{{/code}}
	322	_always saved (when Spectrum is measured !!) (PBD) _
	323	DOOCS prop : {{code language="none"}}TTF2.EXP/PHOTONWL.ML/WAVE_LENGTH/VAL.TD{{/code}}
	324	DAQ channel: {{code language="none"}}PBD.PHOTONWL.ML/WAVE_LENGTH{{/code}}
	325	desc : XUV Spectrum measured with the "tunnel spectrometer"
1.1	326	units :
	327
79.1	328	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength start value{{/code}}
	329	_always saved (when Spectrum is measured !!) (PBD) _
	330	DOOCS prop : {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	331	DAQ channel: {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	332	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	333	units : nm
	334
79.1	335	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength increment{{/code}}
	336	_always saved (when Spectrum is measured !!) (PBD) _
	337	DOOCS prop : ==
	338	DAQ channel: ==
	339	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	340	units : nm
	341
79.1	342	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy{{/code}}
	343	//saved on DEMAND (PBD spectrometer stream)//
	344	DOOCS prop : ==
	345	DAQ channel: {{code language="none"}}PBD.PHOTONEN.ML/PHOTON_ENERGY{{/code}}
1.1	346	desc : XUV Spectrum in eV measured with the "PG2 spectrometer"
	347	units :
	348
79.1	349	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy start value{{/code}}
	350	//saved on DEMAND (PBD spectrometer stream)//
	351	DOOCS prop : ==
	352	DAQ channel: ==
	353	desc : start value (in eV) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	354	units : eV
	355
79.1	356	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy increment{{/code}}
	357	//saved on DEMAND (PBD spectrometer stream)//
	358	DOOCS prop : ==
	359	DAQ channel: ==
	360	desc : increment value (in eV) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	361	units : eV
	362
79.1	363	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength{{/code}}
	364	//saved on DEMAND (PBD spectrometer stream)//
	365	DOOCS prop : ==
	366	DAQ channel: {{code language="none"}}PHOTONEN.ML/PHOTON_WAVE_LEN{{/code}}
1.1	367	desc : XUV Spectrum in nm measured with the "PG2 spectrometer"
	368	units :
	369
79.1	370	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength increment{{/code}}
	371	//saved on DEMAND (PBD spectrometer stream)//
	372	DOOCS prop : ==
	373	DAQ channel: ==
	374	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	375	units : nm
	376
79.1	377	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength start value{{/code}}
	378	//saved on DEMAND (PBD spectrometer stream)//
	379	DOOCS prop : ==
	380	DAQ channel: ==
	381	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	382	units : nm
	383
4.1	384	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	385
	386	==== Electron Beam properties (FLASH1) ====
	387
	388	===== bunch charge =====
	389
79.1	390	{{code language="none"}}/FL1/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	391	//always saved (PBD)//
	392	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/CHARGE.FLASH1{{/code}}
	393	DAQ channel: {{code language="none"}}FLASH.DIAG/TOROID/12EXP{{/code}}
	394	desc: electron bunch charge (FLASH1)
1.1	395	units: nC
	396
5.1	397	=====
57.1	398	arrival time (BAM) =====
1.1	399
88.5	400	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	401	* see: [[Info collection about the BAMs and how to use the BAM data>>doc:FS-FLASH USER tmp.jddd-linked help pages.Info collection for the BAM.WebHome\|\|shape="rect"]]
57.1	402	* The data format of the BAM has been completely altered in the 2022 shutdown
	403	* before 2022 BAMs were always saving the arrival time information for each 1µs bucked regardless if there were electrons in the accelerator or not. IN addition the arrival times for FL1 and FL2 were saved in the same parameter ...
61.1	404	* THIS is now different. There are new parameters saving only the arrival times for pulses that go to FL1 and to FL2 (in detail: first time slot of the accelerator and second)
57.1	405	* There has been also a renaming (and relocation) of the BAMs.
	406	** acc: 4DBC3 → FL0.DBC2
	407	** FL1: 1SFELC → FL1.SFELC
79.1	408	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
88.4	409	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	410	* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments>>doc:FS-FLASH USER tmp.Additional helpful things1.FLASH beamlines and instruments references.WebHome]]
57.1	411	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	412	{{/info}}
	413
	414	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	415	(% style="color:#000000" %)Discontinued BAM data recording
57.1	416
79.1	417	{{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	418	//always saved (PBD)//
	419	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	420	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	421	desc: Electron bunch arrival time measured with the BAM inside the accelerator - however shows a very good correlation to the arrivaltime of the XUV pulses in the experiment (pulse resolved data).
33.1	422	units: ps (bigger numbers indicate later arrivaltime of the electrons)
1.1	423
58.1	424
79.1	425	{{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
	426	//always saved (PBD)//
	427	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	428	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	429	desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020.
58.1	430	units: ps (bigger numbers indicate later arrival time of the electrons)
57.1	431	{{/expand}}
33.1	432
68.1	433	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	434
79.1	435	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (HDF5 name not yet implemented - see zraw)(%%)
68.1	436	//always saved (PBD)//
74.1	437	{{code language="none"}}/FL1/Electron Diagnostic/BAM/ {{/code}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
79.1	438	DAQ (% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP (%%)
74.1	439	desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2). The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not ). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
68.1	440
74.1	441	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
68.1	442
	443
79.1	444	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	445	//always saved (PBD)//
67.1	446	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE
79.1	447	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	448	desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2). Here the complete bunch train from the FEL is recorded (FLASH1 and FLASH2 pulses). Thus there are values from FLASH 1 in the first part. they may be separated by several "0" values if the reprate is different from 1 MHz ... - It shows a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
58.1	449	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	450
57.1	451
79.1	452	(% style="color:#ff6600" %)DBC2/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	453	//always saved (PBD)//
85.3	454	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E.bamError.1(%%)
85.4	455	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.1(%%)
85.2	456	desc:(% style="letter-spacing:0.0px" %) status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting; mostly check for bit 0 == 1 is sufficient
57.1	457
58.1	458
79.1	459	(% style="color:#ff6600" %)DBC2/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	460	//always saved (PBD)//
	461	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	462	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.1(%%)
	463	desc: (% style="letter-spacing:0.0px" %) status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting; mostly check for bit 0 == 1 is sufficient
57.1	464
	465
68.1	466	====== BAM FL1.SFELC{{code language="none"}}{{/code}} ======
	467
79.1	468	(% style="font-family:SFMono-Medium,~"SF Mono~",~"Segoe UI Mono~",~"Roboto Mono~",~"Ubuntu Mono~",Menlo,Courier,monospace; letter-spacing:0.0px" %)/FL1/Electron Diagnostic/BAM/SFELC(% style="color:#ff6600" %)/electron bunch arrival time (HDF5 name not yet implemented - see zraw)
68.1	469
	470	//always saved (PBD)//
79.1	471	(% style="color:#172b4d" %)FL1.SFELC(%%)
	472	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
	473	{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
68.1	474	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	475
	476
	477
79.1	478	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	479	//always saved (PBD)//
	480	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIME.ABSOLUTE
	481	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	482	desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020. Here the complete bunch train from the FEL is recorded (FLASH1 and FLASH2 pulses). Thus there are values from FLASH 1 in the first part. they may be separated by several "0" values if the reprate is different from 1 MHz ... - It shows a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
58.1	483	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	484
	485
79.1	486	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	487	//always saved (PBD)//
	488	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E.bamError(%%)
	489	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMERROR(%%)
58.1	490	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
	491
	492
79.1	493	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	494	//always saved (PBD)//
	495	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	496	DAQ chann(% style="color:#000000" %)el: FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMSTATUS.1(%%)
59.1	497	desc: status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting; mostly check for bit 0 == 1 is sufficient
58.1	498
	499
33.1	500
1.1	501	===== electron beam profile =====
	502
79.1	503	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
	504	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	505	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/OUT.PROF.CCCED{{/code}}
	506	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/DAQ.OUT.PROF.CCCED{{/code}}
	507	desc: temporal profile of electron bunch, y axis in Ampers (FLASH1)
1.1	508	units: pixel
	509
79.1	510	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/Expert stuff/TDS calibration constant{{/code}}
	511	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	512	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/CALIB.CONST.T{{/code}}
	513	DAQ channel: = PBD.BEAM.PROF.ML/CCT=
	514	desc: TDS calibration constant for the x-axis of the profiles: fs per pixel
1.1	515	units: fs per pixel
	516
79.1	517	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile width rms{{/code}}
	518	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	519	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/SOWS.W.CCTED{{/code}}
	520	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/PROFWIDTHCCTED{{/code}}
	521	desc: rms pulse width of the measures TDS electron bunch profile
1.1	522	units: fs
	523
	524	===== electron bunch energy =====
	525
79.1	526	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/average electron energy{{/code}}
	527	//always saved (PBD)//
	528	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_INTRA_MEAN/VAL{{/code}}
	529	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_MEAN{{/code}}
	530	desc: electron bunch energy (average over the bunch train)
89.12	531	units: (% class="twikiNewLink" %)MeV
1.1	532
79.1	533	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/pulse resolved energy{{/code}}
	534	//always saved (PBD)//
	535	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_SPECT/VAL.TD{{/code}}
	536	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_SPECT{{/code}}
	537	desc: electron bunch energy bunch resolved
5.1	538	units: (% class="twikiNewLink" %)MeV
1.1	539
	540
79.1	541	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/wavelength bunch train average{{/code}}
	542	//always saved (PBD)//
	543	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/LAMBDA_MEAN/VAL{{/code}}
	544	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/LAMBDA_MEAN{{/code}}
	545	desc: Wavelength calculated by the electron bunch energy (average over the bunch train) (FLASH1)
1.1	546	units: nm
	547
4.1	548	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	549
	550
5.1	551	==== Timing information, rep rate etc. (FLASH1) ====
1.1	552
	553	===== bunch repetition rate =====
	554
79.1	555	{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
	556	//always saved (PBD)//
	557	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
	558	DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
1.1	559	desc: repetition rate of the bunches / pulses within the burst (FLASH1)
	560	units: kHz
	561
	562	===== set number of pulses =====
	563
79.1	564	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL1/Timing/set number of bunches {{/code}}(%%)
	565	//always saved (PBD)//
74.1	566	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	567	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	568	desc: Number of bunches set in the control (timing) system. The property contains 4 numbers. the last one is the number of pulses (see also [[doc:FLASH.Timing properties]] (internal link)). If pulses are used for diagnostic of the protection system of the accelerator limits the number of bunches to be accelerated and thus the actual number of pulses may be smaller than the set one
1.1	569	units:
	570
	571	===== actual number of pulses =====
	572
79.1	573	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	574	//always saved (PBD)//
	575	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/NUMBEROFBUNCHES.FLASH1{{/code}}
	576	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	577	desc: Number of bunches measured BEHIND the undulator. If pulses are used for diagnostic of the protection system of the accelerator limits the number of bunches to be accelerated this is the actual number that created XUV radiation.The number is calculated by the DAQ middle layer server, (FLASH1)
1.1	578	units:
	579
	580	===== actual pulse pattern recorded after the undulator =====
	581
79.1	582	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	583	//always saved (PBD)//
	584	DOOCS prop : {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP/CHARGE.TD{{/code}}
	585	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	586	desc: The bunch pattern as function of time in a burst recorded by toroid diagnostic BEHIND the undulator. (FLASH1)
1.1	587	units:
	588
	589	===== Train ID =====
	590
79.1	591	{{code language="none"}}/Timing/train ID{{/code}}
	592	//always saved (PBD)//
	593	DOOCS prop : {{code language="none"}}none{{/code}}
	594	DAQ channel: {{code language="none"}}none{{/code}}
	595	desc: Each 10 Hz burst has its unique train ID. For the HDF5 data set the ID is the same for all parameters with the same index (note camera images may be shifted by 1 ID - talk to the experts !)
1.1	596	units:
	597
89.12	598	===== (% style="color:#e67e22" %)Train time(%%) =====
1.1	599
89.12	600	(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
79.1	601	desc:Local time as array of day, hour, minute, second, and centisecond. This data set is meant for visualization purposes only. For correlations use the train ID or the Unix time of the time stamp
1.1	602	units: d h min s cs
	603
89.12	604	(% style="color:#e67e22" %){{code language="none"}}/Timing/time stamp{{/code}}
79.1	605	desc:first column: Local time in unix time. To get day, hour, minute, second you can use unix: e.g. date ~-~-date='@1553617729' or matlab, python etc
	606	second column: microseconds
1.1	607	third column: Train ID of FLASH
	608
91.1	609	currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
89.12	610
92.1	611	{{expand expanded="false" title="Timestamp help for python"}}
90.1	612	import time
	613
	614	# epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
	615	# The time and date of the start of the data taking in the HDF file is encoded in the filename - to roughly check the time
	616	epoch_time = 1709051499.17 # Replace with your epoch time
	617
	618	formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
	619	print(formatted_time)
	620	{{/expand}}
	621
89.13	622
4.1	623	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	624
	625	==== Pump Probe Laser (FLASH1) ====
	626
63.1	627	PIGLET (PG laser)
62.1	628
63.1	629	{{code language="none"}}/FL1/Experiment/Pump probe laser{{/code}}
	630
83.1	631	{{info width="30%"}}
80.1	632	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
63.1	633
82.1	634	Download the PDF:
	635
83.1	636	{{view-file att--filename="FSLADAQ-DAQParameterlistPiGLET.pdf"}}{{/view-file}}
	637
	638
81.1	639
80.1	640	{{/info}}
69.1	641
62.1	642	{{expand title="Parameters used until 2021"}}
79.1	643	{{code language="none"}}
	644	/FL1/Experiment/Pump probe laser/laser attenuation
	645	{{/code}}
5.1	646
79.1	647	//always saved (PBD)//
	648	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	649	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	650	desc: attenuation of the PPLaser (rotation of a waveplate)
1.1	651	units : 0 no transmission , 1: full transmission
	652
5.1	653
79.1	654	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay{{/code}}
	655	//always saved (PBD)//
	656	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	657	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	658	desc: delay of the Pump probe laser - measured by the read back position of the motor. only read out every secound ... better use the encoder
1.1	659	units : ps ( pos delay means IR comes later)
	660
5.1	661
79.1	662	{{code language="none"}}/FL1/Experiment/Pump probe laser/delay line IK220.0/ENC.DELAY{{/code}}
	663	//always saved (PBD)//
	664	DOOCS prop : {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0/ENC.DELAY{{/code}}
	665	DAQ channel: {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0:ENC.DELAY{{/code}}
	666	subsystem: {{code language="none"}}DELLINE.ENC{{/code}} desc : delay of the Pump probe laser - measured by an encoder. The position is read out with 10Hz train synchronized and should be used to determine the actual laser delay (the motor position is only read out about every second
1.1	667	units : ps ( pos delay means IR comes later)
	668
5.1	669
79.1	670	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS GECCO{{/code}}
	671	//always saved (PBD)//
	672	DOOCS prop : {{code language="none"}}FLASH.SYNC/F1PPL.LASER_LOCK/28C.F1PPL1.CONTROLLER/ADV_CTRL_MANAGER.0.PID_INPUT_JITTER.2.RD{{/code}}
	673	DAQ channel: {{code language="none"}}FLASH.SYNC/F1PPL.LASER_LOCK/28C.F1PPL1.CONTROLLER/ADV_CTRL_MANAGER.0.PID_INPUT_JITTER.2.RD{{/code}}
2.1	674	desc: rms jitter of the GECCO (% class="twikiNewLink" %)TiSa(%%) Oscillator units: fs
1.1	675
	676
79.1	677	{{code language="none"}}/FL1/Experiment/Pump probe laser/streak camera delay time{{/code}}
	678	//always saved (PBD)//
	679	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
	680	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
52.1	681	desc: delay time between the optical laser and the FEL units: ps
62.1	682	{{/expand}}
1.1	683
	684
4.1	685	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	686
	687
	688	==== User Data (FLASH1) ====
	689
52.1	690	The data saved specifically for detectors at an experiment will show up in /Experiment/ there is a large number of options for cameras or monitoring of slow properties (motor positions etc) for user experiments. For details please ask your local contact.
18.1	691
	692	NOTE: If parameters for an experiment are included on short notice the correct naming in the HDF5 may not be in time and the data will show up in /uncategorized/ with the DOOCS names
	693
	694	The most common and permanently installed device used by experiment are our ADCs:
	695
1.1	696	===== GHz ADCs =====
	697
89.7	698	ADC traces of the (SPDevices 412) GHZ ADCs available for the users . More information about the ADCs can be found [[here>>doc:FS-FLASH USER tmp.Data Acquisition and controls 1.Controls (DOOCS, jDDD,\.\.\.).MTCA ADCs.WebHome]]
79.1	699	//saved on DEMAND in the user DAQ//
1.1	700	\\The HDF5 names for the ADC traces are depending on the beamline :
79.1	701	\\PG Beamline:
	702	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
	703	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
	704	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	705	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
	706
79.1	707	BL Beamlines:
	708	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
	709	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
	710	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
	711	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
	712	\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
	713	{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
	714	\\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	715	{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
	716
79.1	717	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
52.1	718	here the {{code language="none"}}CH00.TD{{/code}} is the full ADC trace as it is sampled ( typically several 100.000 samples per pulse train) while the {{code language="none"}}CH00.DAQ.TD{{/code}} trace only has the number of samples which are sent to the DAQ OR if //grouping// is activated the {{code language="none"}}CH00.DAQ.TD{{/code}} contains only the grouped spectra. To read the ADC trace with an online analysis program the {{code language="none"}}CH00.DAQ.TD{{/code}} is used preferably.
1.1	719	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
	720
18.1	721	In addition there are also additional parameters saved like:
1.1	722
16.1	723	* {{code language="none"}}sample frequency{{/code}}: it shows the sample frequency in MHz (number of samples per µs). NOTE: the clock of the ADC is NOT synchronized to the FLASH timing system. Thus the number of samples between bunches in the bunch train may be not integer numbers which will be show up for long bunch trains.
52.1	724	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
79.1	725	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
1.1	726
	727	===== MHz ADCs =====
	728
79.1	729	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	730	{{code language="none"}}/FL1/Experiment/BL1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	731	DOOCS prop : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02/CH00.TD
1.1	732	DAQ channel: : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02
	733
18.1	734	In addition there are also additional parameters saved like:
1.1	735
18.1	736	* {{code language="none"}}sample frequency{{/code}}: it shows the sample frequency in MHz (number of samples per µs). NOTE: the clock of the ADC is NOT synchronized to the FLASH timing system. Thus the number of samples between bunches in the bunch train may be not integer numbers which will be show up for long bunch trains.
52.1	737	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
18.1	738
4.1	739	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	740
18.1	741
	742
	743
1.1	744	=== FLASH2 ===
	745
7.1	746	There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs
1.1	747
7.1	748	==== Beamline info (FLASH2) ====
6.1	749
79.1	750	{{code language="none"}}/FL2/Beamlines/Attenuator/pressure {{/code}}
	751	(% style="color:#000000" %)//always saved (PBD2)// (%%)
	752	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	753	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	754	(% style="color:#000000" %)desc: set pressure in the gas attenuator (%%)
89.12	755	(% style="color:#000000" %)units: mbar
5.1	756
79.1	757	{{code language="none"}}/FL2/Beamlines/FL20/Shutter/open{{/code}}
	758	//always saved (PBD2)//
	759	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER/CH00.TD{{/code}}
	760	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER{{/code}}
	761	desc: BL Beamline Fast shutter state: 1 is open, 0 is closed ( for technical reasons there are 100 vales of this state saved ...)
6.1	762	units: none
5.1	763
	764
79.1	765	{{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 1{{/code}}
	766	//always saved (PBD2)//
	767	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS{{/code}}
	768	DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS
89.5	769	desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FS-FLASH USER tmp.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
6.1	770	units: degree
	771
79.1	772	/FL2/Beamlines/Filter wheel/position wheel 2
	773	always saved (PBD2)
	774	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
	775	DAQ channel: {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
89.5	776	desc: Position of the BL filter wheel 2 - to correlate with the filter material please look [[here>>doc:FS-FLASH USER tmp.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
40.1	777	units: degree
6.1	778
8.1	779
	780	NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. for more Info contact your local contact
	781
6.1	782	[[Contents>>doc:\|\|anchor="Contents"]]
	783
	784
	785
10.1	786	==== Photon Diagnostics SASE ([[XGMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html\|\|shape="rect"]] - FLASH2) ====
8.1	787
79.1	788	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	789	//always saved (PBD2)//
	790	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	791	DAQ channel:{{code language="none"}} FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	792	desc : calibrated average ( ~~ 20 sec averaging time ) SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
8.1	793	units : microJ
	794
	795
79.1	796	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
	797	//always saved (PBD2)//
	798	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
	799	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
38.1	800	desc : Energy per pulse measured in the Tunnel (in front of the gas attenuator and the apertures in the Hall) In addition measurement errors and beam position are included for EACH pulse in the pulse train !! (see below)
89.4	801	units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]
8.1	802
39.1	803	{{info title="GMD pulse resolved data structure"}}
79.1	804	For every pulse in the pulse train the information is saved:
8.1	805
38.1	806	1. Intensity per pulse (a.u. (more or less µJ ))
	807	1. Intensity per pulse (auxillary GMD) - not used
39.1	808	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	809	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	810	1. Intensity per pulse sigma (a.u. (more or less µJ ), (% style="color:#000000" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise, detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%))
38.1	811	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	812	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	813	1. Combined warning and error flags
8.1	814
38.1	815	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	816	file
8.1	817
38.1	818
	819	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
8.1	820
79.1	821
39.1	822	{{/info}}
38.1	823
8.1	824
79.1	825	All values for the GMD are also available for the HALL GMD which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between Hall and Tunnel signal shows the attenuation. BUT NOTE that the filter unit and the Aperture 4 are downstream the GMD. So if filters and aperture are used this influence is NOT measured by the GMD hall !
8.1	826
	827
9.1	828	Besides pulse energy the GMD also provides information about the beam position
8.1	829
9.1	830
79.1	831	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel horizontal{{/code}}
	832	//always saved (PBD2)//
	833	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	834	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	835	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	836	units : mm
	837
9.1	838
79.1	839	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
	840	//always saved (PBD2)//
	841	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	842	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	843	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	844	units : mm
	845
	846
79.1	847	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel x
40.1	848	always saved (PBD2)
	849	DOOCS prop : FLASH.FEL/XGM.BPM/FL2.HALL/X.TD
79.1	850	DAQ channel: FLASH.FEL/XGM.BPM/FL2.HALL:2
40.1	851	desc: Besides the well calibrated averaged beam position information there is also the option to measure the beam position on a single bunch level. HOWEVER this methide needs a perfectly adjusted signal level (talk to your local contact !!) and also then the signal to noise is rather small and one needs some averaging ... BUT with this option one can determine if there was a spatial slope on a burst (say forst bunches were lower than the last ones or so ...)
	852	units : mm
8.1	853
40.1	854	(x=horizontal, y = vertial)
9.1	855
	856	again the same parameter set is available for the HALL GMD
	857
8.1	858
9.1	859
15.1	860	==== Photon Diagnostics OPIS[[ >>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]](FLASH2) ====
10.1	861
19.1	862	for more info see: [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]]
10.1	863
	864	(The OPIS hall is not installed yet ...)
	865
9.1	866
10.1	867	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean photon energy{{/code}}
79.1	868	// saved opon request (PBD2)//
	869	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
	870	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
10.1	871	desc : mean photon energy ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
	872	units : eV
	873
9.1	874
10.1	875	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean wavelength{{/code}}
79.1	876	// saved opon request (PBD2)//
	877	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
10.1	878	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
52.1	879	desc : mean wavelength ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
10.1	880	units : nm
	881
9.1	882
10.1	883	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/number of analyzed bunch (in older version this can be found in OPIS tunnel/Expert stuff/General operation parameters/){{/code}}
79.1	884	// saved opon request (PBD2)//
	885	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
10.1	886	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
11.1	887	desc : The bunch number of the bunch used for the wavelength calculation
	888	units :
10.1	889
9.1	890
52.1	891	If Opis is running typically on the the averaged data is saved. For several experiments it may make sense to save the information for each single bunch. This is up to now done by saving the complete ADC trace of the TOF setup. This is a huge amount of data and needs processing. This has to be performed after the beamtime in close contact to [[Markus Braune>>mailto:markus.braune@desy.de\|\|shape="rect"]] ( responsible for [[OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]])
11.1	892
9.1	893
52.1	894	In case OPIS was not operating there is still information about the set wavelength for the undulators (see below) which may differ by up to 5 % from the actual wavelength due to different settings in the FEL ...
12.1	895
9.1	896
	897
12.1	898	==== Electron Beam properties (FLASH2) ====
	899
	900	===== bunch charge =====
	901
79.1	902	{{code language="none"}}/FL2/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	903	//always saved (PBD2)//
12.1	904	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
79.1	905	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
	906	desc: electron bunch charge FLASH2 (average value for each bunchtrain).
12.1	907	units: nC
	908
9.1	909
52.1	910	===== electron bunch energy =====
9.1	911
52.1	912	{{code language="none"}}/FL2/Electron Diagnostic/Electron energy/energy of first bunch/behind undulators{{/code}}
79.1	913	//always saved (PBD2)//
52.1	914	DOOCS prop : {{code language="none"}}FLASH.DIAG/BEAM_ENERGY_MEASUREMENT/FL2XTDS/ENERGY.FLASH2{{/code}}
79.1	915	DAQ channel: (% style="color:#5e6c84" %)TTF2.DAQ/PBD2.BEAM.ENERGY.MEAS.ML.COPY/FL2XTDS.ENERGY.FLASH2{{code language="none"}}{{/code}}(%%)
	916	desc: electron bunch energy measured behind the undulator. Data is saved with 10 Hz - BUT (for computation reasons) only the energy of the FIRST bunch is recorded. The data is also available for (% style="color:#5e6c84" %)extraction and septum in the beginning of FLASH2
52.1	917
79.1	918	(% style="letter-spacing:0.0px" %)units: (% class="twikiNewLink" %)MeV
52.1	919
	920
83.1	921	(% style="color: rgb(94, 108, 132); font-weight: 600; letter-spacing: 0px;" %)
	922	===== undulator settings =====
52.1	923
79.1	924	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/set wavelength{{/code}}
	925	//always saved (PBD2)//
14.1	926	DOOCS prop : {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
79.1	927	DAQ channel: {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
14.1	928	desc: Set value for the anticipated wavelength . This parameter is used to set the undulator gap. It may however deviate from the actual wavelength by several % ...
	929	units: nm
12.1	930
79.1	931	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/SASE14 gap{{/code}}
	932	//always saved (PBD2)//
14.1	933	DOOCS prop : {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
79.1	934	DAQ channel: {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
15.1	935	desc: gap value of the undulators. This can be used to follow up how many undulators were closed and if there was a taper
14.1	936	units: mm
	937
15.1	938	The gap values are saved for all 12 undulators (Nr 3 to 14). Undulator 14 is the one closest to the experimental hall.
14.1	939
12.1	940	=====
59.1	941	arrival time (BAM) =====
12.1	942
89.1	943	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	944	* see: [[Info collection about the BAMs and how to use the BAM data>>doc:FS-FLASH USER tmp.jddd-linked help pages.Info collection for the BAM.WebHome\|\|shape="rect"]]
59.1	945	* The data format of the BAM has been completely altered in the 2022 shutdown
88.5	946	* before 2022 BAMs were always saving the arrival time information for each 1µs bucked regardless if there were electrons in the accelerator or not. IN addition the arrival times for FL1 and FL2 were saved in the same parameter ...
61.1	947	* THIS is now different. There are new parameters saving only the arrival times for pulses that go to FL1 and to FL2 (in detail: first time slot of the accelerator and second)
59.1	948	* There has been also a renaming (and relocation) of the BAMs.
	949	** acc: 4DBC3 → FL0.DBC2
	950	** FL1: 1SFELC → FL1.SFELC
88.5	951	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
	952	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	953	* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments>>doc:FS-FLASH USER tmp.Additional helpful things1.FLASH beamlines and instruments references.WebHome]]
59.1	954	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	955	{{/info}}
	956
	957	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	958	(% style="color:#000000" %)Discontinued BAM data recording
59.1	959
79.1	960	{{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
	961	//always saved (PBD2)//
	962	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	963	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/8FL2XTDS.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	964	desc: Electron bunch arrival time measured with the BAM after the FLASH2 undulator (pulse resolved data)
33.1	965	units: ps (bigger numbers indicate later arrivaltime of the electrons)
	966
79.1	967	FL1{{code language="none"}}//Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	968	//always saved (PBD2)//
	969	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	970	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	971	desc: Electron bunch arrival time measured with the BAM in the accelerator (pulse resolved data)
14.1	972	units: ps (bigger numbers indicate later arrivaltime of the electrons)
12.1	973
80.1	974	{{info title="BAM hints"}}
79.1	975	* The BAM 4DBC3 measures the arrivaltime of FLASH 1 and FLASH2 in the same data set (thus also sorted in at /FL1/ !).
33.1	976	* The BAM 8FL2XTDS measures only for FLASH2 BUT has the same data structure as the other BAMS ... thus there are also (random) values in in the FLASH1 time slot
	977	** Structure: The first values are for FLASH1 bunches. After a gap of about 70 micros ( 70 colums) with as entry for the switching between FLASH 1 and 2 the values for the electrons used in FLASH2 start. The start time of FLASH2 is also recorded in the DAQ. FLASH1 start time is for historic reasons 700. thus if e.g. the start time of FLASH2 ( property name see below) is 1200 it means that FLASH starts at column 500 (1200-700) ... .In case of doubt ask your local contact
89.10	978	* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments >>doc:FS-FLASH USER tmp.Additional helpful things1.FLASH beamlines and instruments references.WebHome]]
79.1	979	* [[LINK to detailed infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~\|~\|height="12" width="13"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html\|\|shape="rect"]]
33.1	980	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	981	{{/info}}
59.1	982	{{/expand}}
10.1	983
68.1	984
	985	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	986
79.1	987	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}
73.1	988
79.1	989	{{code language="none"}}
	990	/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/
	991	{{/code}}
73.1	992
68.1	993	//always saved (PBD)//
	994	FL0.DBC2
79.1	995	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA2.COMP
	996	{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA2.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2). The property contains only the arrival time of the bunches sent to FL2 (e.g. if there are 30 bunches in FL2 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not0). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
68.1	997	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	998
	999
79.1	1000	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}
73.1	1001
	1002	{{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}
79.1	1003	//always saved (PBD)//
68.1	1004	{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE{{/code}}
79.1	1005	(% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel: {{/code}}(%%)
68.1	1006	desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2). Here the complete bunch train from the FEL is recorded (FLASH1 and FLASH2 pulses). Thus there are values from FLASH 2 in the second part. they may be separated by several "0" values if the reprate is different from 1 MHz ... - It shows a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
59.1	1007	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
14.1	1008
59.1	1009
85.7	1010	DBC2/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1011	//always saved (PBD)//
85.6	1012	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamError.2
	1013	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.2
	1014	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
85.5	1015
85.7	1016	DBC2/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1017	//always saved (PBD)//
85.7	1018	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamStatus.//2//
	1019	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.2
85.5	1020	desc: status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting; mostly check for bit 0 == 1 is sufficient
	1021
	1022
	1023
68.1	1024	====== BAM FL2.SEED5{{code language="none"}}{{/code}} ======
	1025
79.1	1026	/FL2/Electron Diagnostic/BAM/SEED5(% style="color:#ff6600" %)/electron bunch arrival time (HDF5 name not yet implemented - see zraw)
68.1	1027
79.1	1028	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/{{/code}}
73.1	1029
68.1	1030	//always saved (PBD)//
79.1	1031	(% style="color:#172b4d" %)FL2.SEED5(%%)
	1032	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL2.SEED5(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
74.1	1033	{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(%%)desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL2 (e.g. if there are 30 bunches in FL2 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
68.1	1034	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1035
	1036
	1037
79.1	1038	(% style="color:#172b4d" %)SEED5(% style="color:#ff6600" %)/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}
73.1	1039
79.1	1040	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}(%%)
	1041	//always saved (PBD)//
	1042	(% style="color:#172b4d" %)FL2.SEED5{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE{{/code}}(%%)
	1043	~ (% style="color:#000000" %)FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL2.SEED5(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel:{{/code}}(%%)
68.1	1044	desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020. Here the complete bunch train from the FEL is recorded (FLASH1 and FLASH2 pulses). Thus there are values from FLASH 2 in the second part. they may be separated by several "0" values if the reprate is different from 1 MHz ... - It shows a very good correlation to the arrival time of the XUV pulses in the experiment (see help).
59.1	1045	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1046
	1047
85.8	1048	FL2.SEED5/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
	1049	//always saved (PBD)//
	1050	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamError.2
86.1	1051	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMERROR.2
85.8	1052	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
59.1	1053
86.1	1054	FL2.SEED5/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.8	1055	//always saved (PBD)//
86.1	1056	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamStatus.//2//
	1057	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMSTATUS.2
85.8	1058	desc: status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting; mostly check for bit 0 == 1 is sufficient
	1059
	1060
15.1	1061	[[Contents>>doc:\|\|anchor="Contents"]]
12.1	1062
	1063
16.1	1064	==== Timing information, rep rate etc. (FLASH2) ====
12.1	1065
15.1	1066	===== start time of FLASH2 =====
12.1	1067
79.1	1068	{{code language="none"}}/FL2/Timing/start time flash2{{/code}}
	1069	//always saved (PBD2)//
	1070	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
	1071	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
17.1	1072	desc: The max 600 µs acceleration time of FLASH is devided between FLASH1 and FLASH2. This 600 µs window starts with FLASH1 (up to now) at a time"label" of 700 µs (for historic reasons). Thus the first bunch of FLASH 1 comes at "700" and the last possibel bunch comes at 1300 (700+600). After FLASH1 train is over ther is a about 70µs switching time with no bunches. Then comes the first FLASH2 bunch. Thus if e.g. the start time of FLASH2 is 1200 it means that FLASH2 starts at column 500 (1200-700) in the HDF5 files. (However for yet unknown reasons this may change by 2-3 colums ...)
15.1	1073	units: µs
12.1	1074
	1075	===== bunch repetition rate =====
	1076
79.1	1077	{{code language="none"}}/FL2/Timing/repetition rate{{/code}}
	1078	//always saved (PBD2)//
	1079	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
	1080	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
15.1	1081	desc: repetition rate of the bunches / pulses within the burst (FLASH2)
12.1	1082	units: kHz
	1083
74.1	1084
	1085	===== set number of pulses =====
	1086
79.1	1087	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL2/Timing/set number of bunches {{/code}}(%%)
	1088	//always saved (PBD2)//
74.1	1089	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1090	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1091	desc: Number of bunches set in the control (timing) system. The property contains 4 numbers. the last one is the number of pulses (see also [[doc:FLASH.Timing properties]] (internal link)). If pulses are used for diagnostic of the protection system of the accelerator limits the number of bunches to be accelerated and thus the actual number of pulses may be smaller than the set one
	1092	units:
	1093
12.1	1094	===== actual number of pulses =====
	1095
79.1	1096	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	1097	//always saved (PBD2)//
	1098	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1099	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1100	desc: Number of bunches measured BEHIND the undulator. If pulses are used for diagnostic of the protection system of the accelerator limits the number of bunches to be accelerated this is the actual number that created XUV radiation.The number is calculated by the DAQ middle layer server, (FLASH2)
12.1	1101	units:
	1102
	1103	===== actual pulse pattern recorded after the undulator =====
	1104
79.1	1105	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	1106	//always saved (PBD2)//
	1107	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1108	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1109	desc: The bunch pattern as function of time in a burst recorded by toroide diagnostic BEHIND the undulator. (FLASH2)
12.1	1110	units:
	1111
	1112	===== Train ID =====
	1113
79.1	1114	{{code language="none"}}/Timing/train ID{{/code}}
	1115	//always saved (PBD2)//
	1116	DOOCS prop : {{code language="none"}}none{{/code}}
	1117	DAQ channel: {{code language="none"}}none{{/code}}
	1118	desc: Each 10 Hz burst has its unique train ID. For the HDF5 dataset the ID is the same for all parameters with the same index (note camera images may be shifted by 1 ID - talk to the experts !)
12.1	1119	units:
	1120
93.1	1121	===== (% style="color:#e67e22" %)Train time(%%) =====
12.1	1122
93.2	1123	(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
	1124	(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
79.1	1125	desc:Local time as array of day, hour, minute, second, and centisecond. This dataset is meant for visualisation purposes only. For correlations use the train ID or the Unix time of the time stamp
12.1	1126	units: d h min s cs
	1127
79.1	1128	{{code language="none"}}
	1129	/Timing/time stamp
	1130	{{/code}}
16.1	1131
93.2	1132	(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
	1133	(% style="color:#e67e22" %)desc: first column: Local time in unix time. To get day, hour, minute, second you can use unix: e.g. date ~-~-date='@1553617729' or matlab, python etc
79.1	1134	second column: microseconds
12.1	1135	third column: Train ID of FLASH
	1136
93.1	1137
	1138	(% id="cke_bm_2455529S" style="display:none" %) (%%)currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
	1139
	1140	{{expand expanded="false" title="Timestamp help for python"}}
	1141	import time
	1142
	1143	# epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
	1144	# The time and date of the start of the data taking in the HDF file is encoded in the filename - to roughly check the time
	1145	epoch_time = 1709051499.17 # Replace with your epoch time
	1146
	1147	formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
	1148	print(formatted_time)
	1149	{{/expand}}
	1150
	1151
	1152
	1153
12.1	1154	[[Contents>>doc:\|\|anchor="Contents"]]
	1155
	1156
19.1	1157	==== User Data (FLASH2) ====
18.1	1158
19.1	1159	The data saved specifically for detectors at an experiment will show up in /Experiment/ there is a large number of options for cameras or monitoring pslow properties (motor positons etc) for user experiments. For details please ask your local contact.
	1160
	1161	NOTE: If parameters for an experiment are included on short notice the correct naming in the HDF5 may not be in time and the data will show up in /uncategorized/ with the DOOCS names
	1162
	1163	The most common and permanently installed device used by experiment are our ADCs:
	1164
18.1	1165	===== GHz ADCs =====
	1166
89.7	1167	ADC traces of the (SPDevices 412) GHZ ADCs available for the users . More information about the ADCs can be found [[here>>doc:FS-FLASH USER tmp.Data Acquisition and controls 1.Controls (DOOCS, jDDD,\.\.\.).MTCA ADCs.WebHome]]
79.1	1168	//saved on DEMAND in the user DAQ//
19.1	1169	\\Up to now there are 4 channels available at FL24
	1170	\\\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD{{/code}}
	1171	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH01/TD{{/code}}
	1172	\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH02/TD{{/code}}{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH03/TD{{/code}}
18.1	1173
	1174
79.1	1175	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
18.1	1176	here the {{code language="none"}}CH00.TD{{/code}} is the full ADC trace as it is sampled ( typically several 100.000 samples per pulse train) while the {{code language="none"}}CH00.DAQ.TD{{/code}} trace only has the number of samples which are sent to the DAQ OR if //grouping// is activated the {{code language="none"}}CH00.DAQ.TD{{/code}} conatins only the grouped spectra. To read the ADC trace with an online analysis program the {{code language="none"}}CH00.DAQ.TD{{/code}} is used preferablly.
19.1	1177	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00{{/code}}
18.1	1178
	1179	In addition there are also additional parameters saved like:
	1180
	1181	* {{code language="none"}}sample frequency{{/code}}: it shows the sample frequency in MHz (number of samples per µs). NOTE: the clock of the ADC is NOT synchronized to the FLASH timing system. Thus the number of samples between bunches in the bunch train may be not integer numbers which will be show up for long bunch trains.
	1182	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
79.1	1183	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
18.1	1184	* {{code language="none"}}/CH0-CH3/offset{{/code}}: To use the full dynamic range of the ADC one can shift the base line . This offset is saved here.
	1185
	1186	===== MHz ADCs =====
	1187
79.1	1188	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	1189	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	1190	DOOCS prop : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02/CH00.TD
19.1	1191	DAQ channel: : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02
18.1	1192
	1193	In addition there are also additional parameters saved like:
	1194
	1195	* {{code language="none"}}sample frequency{{/code}}: it shows the sample frequency in MHz (number of samples per µs). NOTE: the clock of the ADC is NOT synchronized to the FLASH timing system. Thus the number of samples between bunches in the bunch train may be not integer numbers which will be show up for long bunch trains.
	1196	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
	1197
	1198	[[Contents>>doc:\|\|anchor="Contents"]]
	1199
12.1	1200
	1201
85.1	1202	==== Pump Probe Laser (FLASH2) ====
21.1	1203
84.1	1204	{{info width="30%"}}
80.1	1205	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
	1206
84.1	1207	[[attach:FSLADAQ-DAQParameterlistULGAN-2.pdf\|\|target="_blank"]]
80.1	1208
84.1	1209	[[attach:FSLADAQ-DAQParameterlistFL23-2.pdf\|\|target="_blank"]]
80.1	1210
84.1	1211	[[attach:FSLADAQ-DAQParameterlistFL24-2.pdf\|\|target="_blank"]]
	1212
	1213
	1214	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1215
85.1	1216
	1217	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1218
	1219
	1220	{{view-file att--filename="FSLADAQ-DAQParameterlistFL24-2.pdf"}}{{/view-file}}
	1221
84.1	1222
80.1	1223	{{/info}}
	1224
85.1	1225	{{expand title="Laser parameters used until 2023"}}
79.1	1226	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL24//
21.1	1227
64.1	1228	User delay
	1229
	1230	Delay (set value):
	1231
79.1	1232	{{code language="none"}}
	1233	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1234	{{/code}}
64.1	1235
77.1	1236	Delay (readback):
64.1	1237
79.1	1238	{{code language="none"}}
	1239	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1240	{{/code}}
64.1	1241
79.1	1242	(% style="letter-spacing:0.0px" %)Delay (encoder readback):
77.1	1243
79.1	1244	{{code language="none"}}
	1245	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1246	{{/code}}
77.1	1247
64.1	1248	OXC. jitter:
	1249
79.1	1250	{{code language="none"}}
	1251	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1252	{{/code}}
64.1	1253
	1254
	1255
77.1	1256	FL24 Pulse resolved energy:
	1257
72.1	1258	OPCPA output (photodiode signal raw ADC trace 16000 samples):
64.1	1259
79.1	1260	{{code language="none"}}
	1261	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH23.TD/dGroup
	1262	{{/code}}
64.1	1263
79.1	1264	(% style="letter-spacing:0.0px" %)Upper breadboard Photodiode (THG) burst (photodiode signal raw ADC trace 16000 samples)::
64.1	1265
79.1	1266	{{code language="none"}}
	1267	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH26.TD/dGroup
	1268	{{/code}}
64.1	1269
72.1	1270	Upper breadboard Photodiode (THG) energy (analyzed signal. integration over pulses in the ADC trace. contains for each laser pulse the pulse energy in a.u.)
64.1	1271
79.1	1272	{{code language="none"}}
	1273	/zraw/FLASH.LASER/MOD24.PES/FL24_userPD/dGroup
	1274	{{/code}}
64.1	1275
	1276
77.1	1277	FL24 LAM (Laser Arrivaltime Monitor) pulse resolved data:
64.1	1278
72.1	1279	Signal of Photodiode1 - for experts only... (analyzed signal. integration over pulses in the ADC trace. )
	1280
79.1	1281	{{code language="none"}}
	1282	/zraw/FLASH.LASER/MOD24.PES/LAM.PD1/dGroup
	1283	{{/code}}
72.1	1284
	1285	Signal of Photodiode2 - for experts only... (analyzed signal. integration over pulses in the ADC trace.)
	1286
79.1	1287	{{code language="none"}}
	1288	/zraw/FLASH.LASER/MOD24.PES/LAM.PD2/dGroup
	1289	{{/code}}
72.1	1290
	1291	"Actual" LAM Signal - to be calibrated ...... (analyzed signal. integration over pulses in the ADC trace.)
	1292
79.1	1293	{{code language="none"}}
	1294	/zraw/FLASH.LASER/MOD24.PES/LAM.PDBAL/dGroup
	1295	{{/code}}
72.1	1296
79.1	1297	The delay feedback(% style="letter-spacing:0.0px" %)
75.1	1298
79.1	1299	{{code language="none"}}
	1300	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1301	{{/code}}
64.1	1302
79.1	1303	The LAM delay feedback(% style="letter-spacing:0.0px" %) (the pulse energy signal, which is saved in the above but maybe it’s good to have this also as slow, in the case these two numbers are not the same the sysdc was active instead of the LAM):
75.1	1304
79.1	1305	{{code language="none"}}
	1306	FLASH.LASER/MOD24.PES/LAM.PDBAL/PULSEENERGY.MEAN
	1307	{{/code}}
75.1	1308
76.1	1309	LAM Delay line act:
75.1	1310
76.1	1311	{{code language="none"}}FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION.RD{{/code}}
	1312	LAM Delay line set:
75.1	1313
79.1	1314	{{code language="none"}}
	1315	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION_SET.WR
	1316	{{/code}}
75.1	1317
76.1	1318	LAM Delay line encoder:
75.1	1319
79.1	1320	{{code language="none"}}
	1321	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.ENCODER_POSITION.RD
	1322	{{/code}}
75.1	1323
76.1	1324	Temperature feedback:
75.1	1325
79.1	1326	{{code language="none"}}
	1327	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1328	{{/code}}
75.1	1329
	1330	Feedback mode (if this is not =1 the delay FB is not active, then it’s either temp feedback controlled or failsave, maybe it’s good to have):
	1331
79.1	1332	{{code language="none"}}
	1333	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.INTS/INTEGER30
	1334	{{/code}}
75.1	1335
	1336
77.1	1337	FL24 Attenuator angle:
75.1	1338
79.1	1339	{{code language="none"}}
	1340	FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS
	1341	{{/code}}
64.1	1342
77.1	1343	FL24 Polarization control:
64.1	1344
79.1	1345	{{code language="none"}}
	1346	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL24/FPOS
	1347	{{/code}}
64.1	1348
	1349	SysDC delay error:
	1350
79.1	1351	{{code language="none"}}
	1352	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1353	{{/code}}
64.1	1354
	1355
	1356	Timing error: (these two need to be observed and both=0 means no error)
	1357
79.1	1358	{{code language="none"}}
	1359	FLASH/CPUULGAN1.TIMING/ULGAN1/dT_alarm
	1360	{{/code}}
64.1	1361
79.1	1362	{{code language="none"}}
	1363	FLASH/CPUULGAN1.TIMING/ULGAN1/dMPN
	1364	{{/code}}
64.1	1365
	1366	Laser error status:
	1367
	1368
77.1	1369	FL24 Virtual camera X and Y history, beam size: (use slow data)
64.1	1370
79.1	1371	{{code language="none"}}
	1372	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.X
	1373	{{/code}}
64.1	1374
79.1	1375	{{code language="none"}}
	1376	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.Y
	1377	{{/code}}
64.1	1378
79.1	1379	{{code language="none"}}
	1380	FLASH.LASER/MOD24.CAM/UV.14.VF/ROI_SPECTRUM.X.SIG
	1381	{{/code}}
64.1	1382
	1383	{{expand title="Parameters used until 2021"}}
79.1	1384	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/attenuator position{{/code}}always saved (PBD2)//
	1385	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1386	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1387	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1388	units : deg.
	1389
12.1	1390
21.1	1391
79.1	1392	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/polarization position{{/code}}always saved (PBD2)//
	1393	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1394	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1395	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1396	units : deg.
	1397
12.1	1398
79.1	1399	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay readback{{/code}}
	1400	//always saved (PBD2)//
	1401	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
21.1	1402	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
	1403	desc: delay of the Pump probe laser - measured by the read back position of the motor. There is also the set value available ( upto now these values are only updating every 1-2 seconds. There is no fast encoder property as on FLASH1 available)
	1404	units : ps )
	1405
12.1	1406
79.1	1407	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS{{/code}}
	1408	//always saved (PBD)//
	1409	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
	1410	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
22.1	1411	desc: rms jitter of the fs-Oscillator
	1412	units: fs
65.1	1413	{{/expand}}
21.1	1414
77.1	1415
	1416	==== FL 26 Pump Probe Laser (FLASH2) ====
	1417
79.1	1418	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL26//
77.1	1419
	1420
	1421	User delay
	1422
	1423	Delay (set value):
	1424
79.1	1425	{{code language="none"}}
	1426	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1427	{{/code}}
77.1	1428
	1429	Delay (readback):
	1430
79.1	1431	{{code language="none"}}
	1432	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1433	{{/code}}
77.1	1434
78.1	1435	Delay (encoder readback):
77.1	1436
79.1	1437	{{code language="none"}}
	1438	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1439	{{/code}}
77.1	1440
	1441	OXC. jitter:
	1442
79.1	1443	{{code language="none"}}
	1444	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1445	{{/code}}
77.1	1446
	1447
	1448	Parameters for FL26
	1449
78.1	1450	(% class="wrapped" %)
77.1	1451	\|(((
	1452	FL2PPL FL26 REMI Attenuation: HWP motor current position
	1453	)))\|(((
	1454	FLASH.FEL/FLAPP2BEAMLINES/MOTOR11.FL26B/FPOS
	1455	)))
	1456	\|(((
	1457	FL2PPL FL26 REMI Polarization: linear polarization angle
	1458	)))\|(((
	1459	FLASH.FEL/FLAPP2BEAMLINES/MOTOR12.FL26B/FPOS
	1460	)))
	1461	\|(((
	1462	FL2PPL FL26 REMI Diagnostics: NIR spectrum
	1463	)))\|(((
	1464	FLASH.LASER/MOD26.SPECT/REMI/DAQ_CHANNEL
	1465	)))
	1466	\|(((
	1467	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - pulse energy mean
	1468	)))\|(((
	1469	FLASH.LASER/MOD26.PES/RE_OUT/PULSEENERGY.MEAN
	1470	)))
	1471	\|(((
	1472	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - intra burst pulse energy
	1473	)))\|(((
	1474	FLASH.LASER/MOD26.PES/RE_OUT/DAQ_CHANNEL
	1475	)))
	1476	\|(((
	1477	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - raw adc
	1478	)))\|(((
	1479	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH04.TD
	1480	)))
	1481	\|(((
	1482	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - pulse energy mean
	1483	)))\|(((
	1484	FLASH.LASER/MOD26.PES/INC_BOX/PULSEENERGY.MEAN
	1485	)))
	1486	\|(((
	1487	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - intra burst pulse energy
	1488	)))\|(((
	1489	FLASH.LASER/MOD26.PES/INC_BOX/DAQ_CHANNEL
	1490	)))
	1491	\|(((
	1492	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - raw adc
	1493	)))\|(((
	1494	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH05.TD
	1495	)))
	1496	\|(((
	1497	FL2PPL FL26 REMI In coupling: filter wheel 1 position
	1498	)))\|(((
	1499	FLASH/MOD26.FW1/FLASH2MOD26/pos
	1500	)))
	1501	\|(((
	1502	FL2PPL FL26 REMI In coupling: filter wheel 2 position
	1503	)))\|(((
	1504	FLASH/MOD26.FW2/FLASH2MOD26/pos
	1505	)))
	1506	\|(((
	1507	FL2PPL FL26 REMI: Energy meter REMI incoupling breadboard
	1508	)))\|(((
	1509	FLASH.LASER/MOD26.OPHIRE/REINC.54/DAQ_CHANNEL
	1510	)))
	1511	\|(((
	1512	FL2PPL FL26 REMI Incoupling: focusing lens position
	1513	)))\|(((
	1514	FLASH.FEL/FLAPP2BEAMLINES/MOTOR3.FL26B/FPOS
	1515	)))
	1516	\|(((
	1517	FL2PPL FL26 REMI Incoupling: nearfield
	1518	)))\|(((
	1519	FLASH.LASER/MOD26.CAM/REINC.21.NF/DAQ_CHANNEL
	1520	)))
	1521	\|(((
	1522	FL2PPL FL26 REMI Incoupling: focus
	1523	)))\|(((
	1524	FLASH.LASER/MOD26.CAM/REINC.22.FF/DAQ_CHANNEL
	1525	)))
	1526	\|(((
	1527	FL2PPL FL26 REMI Drift: relative arrival time intra burst LAM balanced - calb. in the PES
	1528	)))\|(((
	1529	FLASH.LASER/MOD26.PES/LAM_DIFF/DAQ_CHANNEL
	1530	)))
	1531	\|(((
	1532	FL2PPL FL26 REMI Drift: forward signal (PD1) raw
	1533	)))\|(((
	1534	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH00.TD
	1535	)))
	1536	\|(((
	1537	FL2PPL FL26 REMI Drift: backward signal (PD2) raw
	1538	)))\|(((
	1539	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH01.TD
	1540	)))
	1541	\|(((
	1542	FL2PPL FL26 REMI Drift: mean relative burst arrival time - avarage of the calib value
	1543	)))\|(((
	1544	FLASH.LASER/MOD26.PES/LAM_DIFF/PULSEENERGY.MEAN
	1545	)))
	1546	\|(((
	1547	FL2PPL FL26 REMI Drift: delay line position (ODL of the LAM REMI)
	1548	)))\|(((
	1549	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL26B/FPOS
	1550	)))
	1551	\|(((
	1552	FL2PPL FL26 Laser Hutch: delay line position (ODL of the osc. Sync / user delay)
	1553	)))\|(((
	1554	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1555	)))
	1556	\|(((
	1557	FL2PPL FL26 REMI Drift: delay line encoder position (ODL REMI raw value)
	1558	)))\|(((
	1559	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.0.ENCODER_POSITION.RD
	1560	)))
	1561	\|(((
	1562	Jiiter between oscillator and MLO (inloop jitter osc. Sync)
	1563	)))\|(((
	1564	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1565	)))
	1566	\|(((
	1567	Temperature controlled fiber (PWM signal to the temperature controlled fiber delay sysdc)
	1568	)))\|(((
	1569	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE23
	1570	)))
	1571	\|(((
	1572	Temperature controlled fiber (Temp of the fiber delay sysdc)
	1573	)))\|(((
	1574	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1575	)))
	1576	\|(((
	1577	Sydc feedback data if LAM is not activated (sysdc delay)
	1578	)))\|(((
	1579	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1580	)))
85.1	1581	{{/expand}}
21.1	1582
	1583
85.1	1584
23.1	1585	=== "/uncategorized/" ===
	1586
	1587	If parameters for an experiment are included on short notice the correct naming in the HDF5 may not be in time and the data will show up in /uncategorized/ with their DOOCS names
	1588
	1589
1.1	1590	=== HDF5 structure revisions ===
	1591
	1592	Starting with Beamblock 4, August 2018, the hierarchy of the HDF group names have been adapted to reflect the new situation at FLASH. FLASH2 is operating for users quite some time now. Therefore, both accelerators appear equally in their respective HDF groups, namely "/FL1" and "/FL2". The root group of proper, by run organised HDF files have an attribute called "version". This version attribute has changed from "0.2.x" to "0.3.x". The changes in detail:
	1593
	1594
	1595	* All FLASH1 related HDF groups moved to group "/FL1", i.e. a new prefix "/FL1" is added to their HDF path.
	1596	* The ambigious term "pulse" has been replaced by "train" to refer to "pulse train". Most notably, the dataset "/Timing/pulse ID" has changed to "/Timing/train ID".
	1597	* A number of inconsistent names have been streamlined. The relevant changes are listed in the following table.
	1598
45.1	1599	(% class="wrapped" %)
1.1	1600	\|=(((
4.1	1601	earlier HDF path (vers. 0.2)
1.1	1602	)))\|=(((
4.1	1603	is now (vers. 0.3)
1.1	1604	)))
	1605	\|(((
	1606	/Photon Diagnostic/GMD/Beam position/position BDA x
	1607	)))\|(((
	1608	/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal
	1609	)))
	1610	\|(((
	1611	/Photon Diagnostic/GMD/Beam position/position BDA y
	1612	)))\|(((
	1613	/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical
	1614	)))
	1615	\|(((
	1616	/Photon Diagnostic/GMD/Beam position/position tunnel x
	1617	)))\|(((
	1618	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal
	1619	)))
	1620	\|(((
	1621	/Photon Diagnostic/GMD/Beam position/position tunnel y
	1622	)))\|(((
	1623	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical
	1624	)))
	1625	\|(((
	1626	/Experiment/Pump probe laser/BPM/position x
	1627	)))\|(((
	1628	/FL1/Experiment/Pump probe laser/BPM/position horizontal
	1629	)))
	1630	\|(((
	1631	/Experiment/Pump probe laser/BPM/position y
	1632	)))\|(((
	1633	/FL1/Experiment/Pump probe laser/BPM/position vertical
	1634	)))
	1635	\|(((
	1636	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall horizontal
	1637	)))\|(((
	1638	/FL2/Photon Diagnostic/GMD/Average beam position/position hall horizontal
	1639	)))
	1640	\|(((
	1641	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall vertical
	1642	)))\|(((
	1643	/FL2/Photon Diagnostic/GMD/Average beam position/position hall vertical
	1644	)))
	1645	\|(((
	1646	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel horizontal
	1647	)))\|(((
	1648	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel horizontal
	1649	)))
	1650	\|(((
	1651	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel vertical
	1652	)))\|(((
	1653	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel vertical
	1654	)))
	1655	\|(((
	1656	/FL2/Photon Diagnostic/GMD/Average energy/hall
	1657	)))\|(((
	1658	/FL2/Photon Diagnostic/GMD/Average energy/energy hall
	1659	)))
	1660	\|(((
	1661	/FL2/Photon Diagnostic/GMD/Average energy/hall (raw)
	1662	)))\|(((
	1663	/FL2/Photon Diagnostic/GMD/Average energy/energy hall (raw)
	1664	)))
	1665	\|(((
	1666	/FL2/Photon Diagnostic/GMD/Average energy/tunnel
	1667	)))\|(((
	1668	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel
	1669	)))
	1670	\|(((
	1671	/FL2/Photon Diagnostic/GMD/Average energy/tunnel (raw)
	1672	)))\|(((
	1673	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel (raw)
	1674	)))
	1675	\|(((
	1676	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall x
	1677	)))\|(((
	1678	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall horizontal
	1679	)))
	1680	\|(((
	1681	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall y
	1682	)))\|(((
	1683	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall vertical
	1684	)))
	1685	\|(((
	1686	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel x
	1687	)))\|(((
	1688	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel horizontal
	1689	)))
	1690	\|(((
	1691	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel y
	1692	)))\|(((
	1693	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel vertical
	1694	)))
	1695
4.1	1696	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	1697
79.1	1698
44.1	1699	{{/layout-cell}}
	1700	{{/layout-section}}
	1701	{{/layout}}

Wiki source code of The FLASH HDF5 structure

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