Wiki source code of The FLASH HDF5 structure

Version 93.4 by sndueste on 2025-05-19 16:47

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
93.4	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
93.2	124
1.1	125	==== Beamline info (FLASH1) ====
	126
79.1	127	{{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
	128	//always saved (PBD)//
	129	DOOCS prop : {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	130	DAQ channel: {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	131	desc: set pressure in the gas attenuator
1.1	132	units: mbar
	133
79.1	134	{{code language="none"}}/FL1/Beamlines/BL/Fast shutter/open{{/code}}
	135	//always saved (PBD)//
	136	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER/CH00.TD{{/code}}
	137	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER{{/code}}
	138	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	139	units: none
	140
79.1	141	{{code language="none"}}/FL1/Beamlines/PG/Fast shutter/open{{/code}}
	142	//always saved (PBD)//
	143	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER/CH00.TD{{/code}}
	144	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER{{/code}}
	145	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	146	units: none
	147
79.1	148	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 1{{/code}}
	149	//always saved (PBD)//
	150	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
	151	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
89.5	152	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	153	units: degree
	154
79.1	155	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 2{{/code}}
	156	//always saved (PBD)//
	157	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
	158	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
89.5	159	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	160	units: degree
	161
79.1	162	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 1{{/code}}
	163	//always saved (PBD)//
	164	DOOCS prop : = TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS=
	165	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS{{/code}}
	166	desc: Position of the PG filter wheel 1
1.1	167	units: degree
	168
79.1	169	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 2{{/code}}
	170	//always saved (PBD)//
	171	DOOCS prop : {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	172	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	173	desc: Position of the PG filter wheel 2
1.1	174	units: degree
	175
79.1	176	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 3{{/code}}
	177	//always saved (PBD)//
	178	DOOCS prop : {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	179	DAQ channel: {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	180	desc: Position of the PG filter wheel 3
1.1	181	units: degree
8.1	182
1.1	183
8.1	184
34.1	185	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	186
4.1	187	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	188
8.1	189
39.1	190	==== 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	191
55.1	192	{{expand title="Discontinued GMD format (used until 2021)"}}
79.1	193	(% style="color:#000000" %)Discontinued GMD data recording / evaluation (VME + PhotonFlux ML server)
39.1	194
79.1	195	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
40.1	196	//always saved (PBD)//
34.1	197
79.1	198	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}} (%%)
	199	(% style="color:#000000" %)DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}(%%)
	200	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator (ion current)
1.1	201	units : microJ
	202
79.1	203	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
34.1	204	//always saved (PBD)//
	205
79.1	206	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT34/VAL{{/code}}
	207	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.USER{{/code}}
1.1	208	desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	209	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	210
79.1	211	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel (raw){{/code}}
	212	//always saved (PBD)//
	213	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT14/VAL{{/code}}
	214	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.FF{{/code}}
	215	desc :Energy per pulse Tunnel (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	216	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	217
79.1	218	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
34.1	219	//always saved (PBD)//
	220
79.1	221	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
	222	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
1.1	223	desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
	224	units : microJ
	225
79.1	226	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
34.1	227	//always saved (PBD)//
	228
79.1	229	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
	230	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
1.1	231	desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	232	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	233
79.1	234	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA (raw){{/code}}
	235	//always saved (PBD)//
	236	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT15/VAL{{/code}}
	237	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
	238	desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	239	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	240	{{/expand}}
1.1	241
34.1	242
79.1	243	(% style="color:#000000; letter-spacing:0px" %)NEW (since 2021) GMD data recording / evaluation (same format as FLASH2 and XFEL)
54.1	244
79.1	245	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	246	//always saved (PBD)//
	247	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
	248	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
39.1	249
79.1	250	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
39.1	251	units : microJ
	252
	253
79.1	254	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
39.1	255	//always saved (PBD)//
	256
79.1	257	(% style="color:#000000" %)DOOCS prop :
39.1	258	{{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}}
	259
	260	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	261	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	262
	263	{{info title="GMD pulse resolved data structure"}}
79.1	264	For every pulse in the pulse train the information is saved:
39.1	265
	266	1. Intensity per pulse (a.u. (more or less µJ ))
	267	1. Intensity per pulse (auxillary GMD) - not used
	268	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	269	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	270	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	271	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	272	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	273	1. Combined warning and error flags
	274
	275	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	276	file
	277
	278
	279	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
	280
79.1	281
39.1	282	{{/info}}
	283
79.1	284	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	285
	286
	287	Besides pulse energy the GMD also provides information about the beam position
	288
79.1	289	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
	290	//always saved (PBD)//
	291	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	292	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	293	desc :Beam position of the photon Beam determined by the GMD (BDA, x=horizontal)
1.1	294	units : mm
	295
79.1	296	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical{{/code}}
	297	//always saved (PBD)//
	298	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	299	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	300	desc :Beam position of the photon Beam determined by the GMD (BDA, y=vertical)
1.1	301	units : mm
	302
79.1	303	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal{{/code}}
	304	//always saved (PBD)//
	305	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	306	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	307	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, x=horizontal)
1.1	308	units : mm
	309
79.1	310	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical{{/code}}
	311	//always saved (PBD)//
	312	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	313	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	314	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, y=vertical)
1.1	315	units : mm
	316
39.1	317
	318	==== Spectrometer (FLASH1) ====
	319
79.1	320	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength{{/code}}
	321	_always saved (when Spectrum is measured !!) (PBD) _
	322	DOOCS prop : {{code language="none"}}TTF2.EXP/PHOTONWL.ML/WAVE_LENGTH/VAL.TD{{/code}}
	323	DAQ channel: {{code language="none"}}PBD.PHOTONWL.ML/WAVE_LENGTH{{/code}}
	324	desc : XUV Spectrum measured with the "tunnel spectrometer"
1.1	325	units :
	326
79.1	327	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength start value{{/code}}
	328	_always saved (when Spectrum is measured !!) (PBD) _
	329	DOOCS prop : {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	330	DAQ channel: {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	331	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	332	units : nm
	333
79.1	334	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength increment{{/code}}
	335	_always saved (when Spectrum is measured !!) (PBD) _
	336	DOOCS prop : ==
	337	DAQ channel: ==
	338	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	339	units : nm
	340
79.1	341	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy{{/code}}
	342	//saved on DEMAND (PBD spectrometer stream)//
	343	DOOCS prop : ==
	344	DAQ channel: {{code language="none"}}PBD.PHOTONEN.ML/PHOTON_ENERGY{{/code}}
1.1	345	desc : XUV Spectrum in eV measured with the "PG2 spectrometer"
	346	units :
	347
79.1	348	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy start value{{/code}}
	349	//saved on DEMAND (PBD spectrometer stream)//
	350	DOOCS prop : ==
	351	DAQ channel: ==
	352	desc : start value (in eV) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	353	units : eV
	354
79.1	355	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy increment{{/code}}
	356	//saved on DEMAND (PBD spectrometer stream)//
	357	DOOCS prop : ==
	358	DAQ channel: ==
	359	desc : increment value (in eV) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	360	units : eV
	361
79.1	362	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength{{/code}}
	363	//saved on DEMAND (PBD spectrometer stream)//
	364	DOOCS prop : ==
	365	DAQ channel: {{code language="none"}}PHOTONEN.ML/PHOTON_WAVE_LEN{{/code}}
1.1	366	desc : XUV Spectrum in nm measured with the "PG2 spectrometer"
	367	units :
	368
79.1	369	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength increment{{/code}}
	370	//saved on DEMAND (PBD spectrometer stream)//
	371	DOOCS prop : ==
	372	DAQ channel: ==
	373	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	374	units : nm
	375
79.1	376	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength start value{{/code}}
	377	//saved on DEMAND (PBD spectrometer stream)//
	378	DOOCS prop : ==
	379	DAQ channel: ==
	380	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	381	units : nm
	382
4.1	383	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	384
	385	==== Electron Beam properties (FLASH1) ====
	386
	387	===== bunch charge =====
	388
79.1	389	{{code language="none"}}/FL1/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	390	//always saved (PBD)//
	391	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/CHARGE.FLASH1{{/code}}
	392	DAQ channel: {{code language="none"}}FLASH.DIAG/TOROID/12EXP{{/code}}
	393	desc: electron bunch charge (FLASH1)
1.1	394	units: nC
	395
5.1	396	=====
57.1	397	arrival time (BAM) =====
1.1	398
88.5	399	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	400	* 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	401	* The data format of the BAM has been completely altered in the 2022 shutdown
	402	* 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	403	* 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	404	* There has been also a renaming (and relocation) of the BAMs.
	405	** acc: 4DBC3 → FL0.DBC2
	406	** FL1: 1SFELC → FL1.SFELC
79.1	407	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
88.4	408	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	409	* [[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	410	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	411	{{/info}}
	412
	413	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	414	(% style="color:#000000" %)Discontinued BAM data recording
57.1	415
79.1	416	{{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	417	//always saved (PBD)//
	418	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	419	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	420	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	421	units: ps (bigger numbers indicate later arrivaltime of the electrons)
1.1	422
58.1	423
79.1	424	{{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
	425	//always saved (PBD)//
	426	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	427	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	428	desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020.
58.1	429	units: ps (bigger numbers indicate later arrival time of the electrons)
57.1	430	{{/expand}}
33.1	431
68.1	432	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	433
79.1	434	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (HDF5 name not yet implemented - see zraw)(%%)
68.1	435	//always saved (PBD)//
74.1	436	{{code language="none"}}/FL1/Electron Diagnostic/BAM/ {{/code}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
79.1	437	DAQ (% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP (%%)
74.1	438	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	439
74.1	440	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
68.1	441
	442
79.1	443	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	444	//always saved (PBD)//
67.1	445	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE
79.1	446	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	447	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	448	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	449
57.1	450
79.1	451	(% style="color:#ff6600" %)DBC2/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	452	//always saved (PBD)//
85.3	453	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E.bamError.1(%%)
85.4	454	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.1(%%)
85.2	455	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	456
58.1	457
79.1	458	(% style="color:#ff6600" %)DBC2/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	459	//always saved (PBD)//
	460	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	461	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.1(%%)
	462	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	463
	464
68.1	465	====== BAM FL1.SFELC{{code language="none"}}{{/code}} ======
	466
79.1	467	(% 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	468
	469	//always saved (PBD)//
79.1	470	(% style="color:#172b4d" %)FL1.SFELC(%%)
	471	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
	472	{{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	473	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	474
	475
	476
79.1	477	(% 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}}(%%)
	478	//always saved (PBD)//
	479	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIME.ABSOLUTE
	480	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	481	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	482	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	483
	484
79.1	485	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	486	//always saved (PBD)//
	487	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E.bamError(%%)
	488	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMERROR(%%)
58.1	489	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
	490
	491
79.1	492	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	493	//always saved (PBD)//
	494	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	495	DAQ chann(% style="color:#000000" %)el: FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMSTATUS.1(%%)
59.1	496	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	497
	498
33.1	499
1.1	500	===== electron beam profile =====
	501
79.1	502	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
	503	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	504	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/OUT.PROF.CCCED{{/code}}
	505	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/DAQ.OUT.PROF.CCCED{{/code}}
	506	desc: temporal profile of electron bunch, y axis in Ampers (FLASH1)
1.1	507	units: pixel
	508
79.1	509	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/Expert stuff/TDS calibration constant{{/code}}
	510	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	511	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/CALIB.CONST.T{{/code}}
	512	DAQ channel: = PBD.BEAM.PROF.ML/CCT=
	513	desc: TDS calibration constant for the x-axis of the profiles: fs per pixel
1.1	514	units: fs per pixel
	515
79.1	516	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile width rms{{/code}}
	517	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	518	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/SOWS.W.CCTED{{/code}}
	519	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/PROFWIDTHCCTED{{/code}}
	520	desc: rms pulse width of the measures TDS electron bunch profile
1.1	521	units: fs
	522
	523	===== electron bunch energy =====
	524
79.1	525	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/average electron energy{{/code}}
	526	//always saved (PBD)//
	527	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_INTRA_MEAN/VAL{{/code}}
	528	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_MEAN{{/code}}
	529	desc: electron bunch energy (average over the bunch train)
89.12	530	units: (% class="twikiNewLink" %)MeV
1.1	531
79.1	532	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/pulse resolved energy{{/code}}
	533	//always saved (PBD)//
	534	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_SPECT/VAL.TD{{/code}}
	535	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_SPECT{{/code}}
	536	desc: electron bunch energy bunch resolved
5.1	537	units: (% class="twikiNewLink" %)MeV
1.1	538
	539
79.1	540	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/wavelength bunch train average{{/code}}
	541	//always saved (PBD)//
	542	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/LAMBDA_MEAN/VAL{{/code}}
	543	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/LAMBDA_MEAN{{/code}}
	544	desc: Wavelength calculated by the electron bunch energy (average over the bunch train) (FLASH1)
1.1	545	units: nm
	546
4.1	547	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	548
	549
5.1	550	==== Timing information, rep rate etc. (FLASH1) ====
1.1	551
	552	===== bunch repetition rate =====
	553
79.1	554	{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
	555	//always saved (PBD)//
	556	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
	557	DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
1.1	558	desc: repetition rate of the bunches / pulses within the burst (FLASH1)
	559	units: kHz
	560
	561	===== set number of pulses =====
	562
79.1	563	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL1/Timing/set number of bunches {{/code}}(%%)
	564	//always saved (PBD)//
74.1	565	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	566	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	567	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	568	units:
	569
	570	===== actual number of pulses =====
	571
79.1	572	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	573	//always saved (PBD)//
	574	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/NUMBEROFBUNCHES.FLASH1{{/code}}
	575	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	576	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	577	units:
	578
	579	===== actual pulse pattern recorded after the undulator =====
	580
79.1	581	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	582	//always saved (PBD)//
	583	DOOCS prop : {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP/CHARGE.TD{{/code}}
	584	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	585	desc: The bunch pattern as function of time in a burst recorded by toroid diagnostic BEHIND the undulator. (FLASH1)
1.1	586	units:
	587
	588	===== Train ID =====
	589
79.1	590	{{code language="none"}}/Timing/train ID{{/code}}
	591	//always saved (PBD)//
	592	DOOCS prop : {{code language="none"}}none{{/code}}
	593	DAQ channel: {{code language="none"}}none{{/code}}
	594	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	595	units:
	596
89.12	597	===== (% style="color:#e67e22" %)Train time(%%) =====
1.1	598
89.12	599	(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
79.1	600	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	601	units: d h min s cs
	602
89.12	603	(% style="color:#e67e22" %){{code language="none"}}/Timing/time stamp{{/code}}
79.1	604	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
	605	second column: microseconds
1.1	606	third column: Train ID of FLASH
	607
91.1	608	currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
89.12	609
92.1	610	{{expand expanded="false" title="Timestamp help for python"}}
90.1	611	import time
	612
	613	# epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
	614	# 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
	615	epoch_time = 1709051499.17 # Replace with your epoch time
	616
	617	formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
	618	print(formatted_time)
	619	{{/expand}}
	620
89.13	621
4.1	622	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	623
	624	==== Pump Probe Laser (FLASH1) ====
	625
63.1	626	PIGLET (PG laser)
62.1	627
63.1	628	{{code language="none"}}/FL1/Experiment/Pump probe laser{{/code}}
	629
83.1	630	{{info width="30%"}}
80.1	631	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
63.1	632
82.1	633	Download the PDF:
	634
83.1	635	{{view-file att--filename="FSLADAQ-DAQParameterlistPiGLET.pdf"}}{{/view-file}}
	636
	637
81.1	638
80.1	639	{{/info}}
69.1	640
62.1	641	{{expand title="Parameters used until 2021"}}
79.1	642	{{code language="none"}}
	643	/FL1/Experiment/Pump probe laser/laser attenuation
	644	{{/code}}
5.1	645
79.1	646	//always saved (PBD)//
	647	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	648	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	649	desc: attenuation of the PPLaser (rotation of a waveplate)
1.1	650	units : 0 no transmission , 1: full transmission
	651
5.1	652
79.1	653	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay{{/code}}
	654	//always saved (PBD)//
	655	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	656	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	657	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	658	units : ps ( pos delay means IR comes later)
	659
5.1	660
79.1	661	{{code language="none"}}/FL1/Experiment/Pump probe laser/delay line IK220.0/ENC.DELAY{{/code}}
	662	//always saved (PBD)//
	663	DOOCS prop : {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0/ENC.DELAY{{/code}}
	664	DAQ channel: {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0:ENC.DELAY{{/code}}
	665	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	666	units : ps ( pos delay means IR comes later)
	667
5.1	668
79.1	669	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS GECCO{{/code}}
	670	//always saved (PBD)//
	671	DOOCS prop : {{code language="none"}}FLASH.SYNC/F1PPL.LASER_LOCK/28C.F1PPL1.CONTROLLER/ADV_CTRL_MANAGER.0.PID_INPUT_JITTER.2.RD{{/code}}
	672	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	673	desc: rms jitter of the GECCO (% class="twikiNewLink" %)TiSa(%%) Oscillator units: fs
1.1	674
	675
79.1	676	{{code language="none"}}/FL1/Experiment/Pump probe laser/streak camera delay time{{/code}}
	677	//always saved (PBD)//
	678	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
	679	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
52.1	680	desc: delay time between the optical laser and the FEL units: ps
62.1	681	{{/expand}}
1.1	682
	683
4.1	684	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	685
	686
	687	==== User Data (FLASH1) ====
	688
52.1	689	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	690
	691	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
	692
	693	The most common and permanently installed device used by experiment are our ADCs:
	694
1.1	695	===== GHz ADCs =====
	696
89.7	697	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	698	//saved on DEMAND in the user DAQ//
1.1	699	\\The HDF5 names for the ADC traces are depending on the beamline :
79.1	700	\\PG Beamline:
	701	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
	702	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
	703	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	704	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
	705
79.1	706	BL Beamlines:
	707	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
	708	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
	709	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
	710	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
	711	\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
	712	{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
	713	\\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	714	{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
	715
79.1	716	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
52.1	717	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	718	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
	719
18.1	720	In addition there are also additional parameters saved like:
1.1	721
16.1	722	* {{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	723	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
79.1	724	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
1.1	725
	726	===== MHz ADCs =====
	727
79.1	728	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	729	{{code language="none"}}/FL1/Experiment/BL1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	730	DOOCS prop : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02/CH00.TD
1.1	731	DAQ channel: : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02
	732
18.1	733	In addition there are also additional parameters saved like:
1.1	734
18.1	735	* {{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	736	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
18.1	737
4.1	738	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	739
18.1	740
	741
	742
1.1	743	=== FLASH2 ===
	744
7.1	745	There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs
1.1	746
7.1	747	==== Beamline info (FLASH2) ====
6.1	748
79.1	749	{{code language="none"}}/FL2/Beamlines/Attenuator/pressure {{/code}}
	750	(% style="color:#000000" %)//always saved (PBD2)// (%%)
	751	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	752	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	753	(% style="color:#000000" %)desc: set pressure in the gas attenuator (%%)
89.12	754	(% style="color:#000000" %)units: mbar
5.1	755
79.1	756	{{code language="none"}}/FL2/Beamlines/FL20/Shutter/open{{/code}}
	757	//always saved (PBD2)//
	758	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER/CH00.TD{{/code}}
	759	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER{{/code}}
	760	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	761	units: none
5.1	762
	763
79.1	764	{{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 1{{/code}}
	765	//always saved (PBD2)//
	766	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS{{/code}}
	767	DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS
89.5	768	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	769	units: degree
	770
79.1	771	/FL2/Beamlines/Filter wheel/position wheel 2
	772	always saved (PBD2)
	773	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
	774	DAQ channel: {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
89.5	775	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	776	units: degree
6.1	777
8.1	778
	779	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
	780
6.1	781	[[Contents>>doc:\|\|anchor="Contents"]]
	782
	783
	784
10.1	785	==== 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	786
79.1	787	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	788	//always saved (PBD2)//
	789	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	790	DAQ channel:{{code language="none"}} FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	791	desc : calibrated average ( ~~ 20 sec averaging time ) SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
8.1	792	units : microJ
	793
	794
79.1	795	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
	796	//always saved (PBD2)//
	797	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
	798	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
38.1	799	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	800	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	801
39.1	802	{{info title="GMD pulse resolved data structure"}}
79.1	803	For every pulse in the pulse train the information is saved:
8.1	804
38.1	805	1. Intensity per pulse (a.u. (more or less µJ ))
	806	1. Intensity per pulse (auxillary GMD) - not used
39.1	807	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	808	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	809	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	810	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	811	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	812	1. Combined warning and error flags
8.1	813
38.1	814	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	815	file
8.1	816
38.1	817
	818	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
8.1	819
79.1	820
39.1	821	{{/info}}
38.1	822
8.1	823
79.1	824	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	825
	826
9.1	827	Besides pulse energy the GMD also provides information about the beam position
8.1	828
9.1	829
79.1	830	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel horizontal{{/code}}
	831	//always saved (PBD2)//
	832	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	833	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	834	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	835	units : mm
	836
9.1	837
79.1	838	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
	839	//always saved (PBD2)//
	840	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	841	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	842	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	843	units : mm
	844
	845
79.1	846	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel x
40.1	847	always saved (PBD2)
	848	DOOCS prop : FLASH.FEL/XGM.BPM/FL2.HALL/X.TD
79.1	849	DAQ channel: FLASH.FEL/XGM.BPM/FL2.HALL:2
40.1	850	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 ...)
	851	units : mm
8.1	852
40.1	853	(x=horizontal, y = vertial)
9.1	854
	855	again the same parameter set is available for the HALL GMD
	856
8.1	857
9.1	858
15.1	859	==== Photon Diagnostics OPIS[[ >>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]](FLASH2) ====
10.1	860
19.1	861	for more info see: [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]]
10.1	862
	863	(The OPIS hall is not installed yet ...)
	864
9.1	865
10.1	866	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean photon energy{{/code}}
79.1	867	// saved opon request (PBD2)//
	868	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
	869	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
10.1	870	desc : mean photon energy ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
	871	units : eV
	872
9.1	873
10.1	874	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean wavelength{{/code}}
79.1	875	// saved opon request (PBD2)//
	876	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
10.1	877	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
52.1	878	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	879	units : nm
	880
9.1	881
10.1	882	{{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	883	// saved opon request (PBD2)//
	884	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
10.1	885	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
11.1	886	desc : The bunch number of the bunch used for the wavelength calculation
	887	units :
10.1	888
9.1	889
52.1	890	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	891
9.1	892
52.1	893	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	894
9.1	895
	896
12.1	897	==== Electron Beam properties (FLASH2) ====
	898
	899	===== bunch charge =====
	900
79.1	901	{{code language="none"}}/FL2/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	902	//always saved (PBD2)//
12.1	903	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
79.1	904	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
	905	desc: electron bunch charge FLASH2 (average value for each bunchtrain).
12.1	906	units: nC
	907
9.1	908
52.1	909	===== electron bunch energy =====
9.1	910
52.1	911	{{code language="none"}}/FL2/Electron Diagnostic/Electron energy/energy of first bunch/behind undulators{{/code}}
79.1	912	//always saved (PBD2)//
52.1	913	DOOCS prop : {{code language="none"}}FLASH.DIAG/BEAM_ENERGY_MEASUREMENT/FL2XTDS/ENERGY.FLASH2{{/code}}
79.1	914	DAQ channel: (% style="color:#5e6c84" %)TTF2.DAQ/PBD2.BEAM.ENERGY.MEAS.ML.COPY/FL2XTDS.ENERGY.FLASH2{{code language="none"}}{{/code}}(%%)
	915	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	916
79.1	917	(% style="letter-spacing:0.0px" %)units: (% class="twikiNewLink" %)MeV
52.1	918
	919
83.1	920	(% style="color: rgb(94, 108, 132); font-weight: 600; letter-spacing: 0px;" %)
	921	===== undulator settings =====
52.1	922
79.1	923	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/set wavelength{{/code}}
	924	//always saved (PBD2)//
14.1	925	DOOCS prop : {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
79.1	926	DAQ channel: {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
14.1	927	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 % ...
	928	units: nm
12.1	929
79.1	930	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/SASE14 gap{{/code}}
	931	//always saved (PBD2)//
14.1	932	DOOCS prop : {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
79.1	933	DAQ channel: {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
15.1	934	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	935	units: mm
	936
15.1	937	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	938
12.1	939	=====
59.1	940	arrival time (BAM) =====
12.1	941
89.1	942	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	943	* 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	944	* The data format of the BAM has been completely altered in the 2022 shutdown
88.5	945	* 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	946	* 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	947	* There has been also a renaming (and relocation) of the BAMs.
	948	** acc: 4DBC3 → FL0.DBC2
	949	** FL1: 1SFELC → FL1.SFELC
88.5	950	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
	951	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	952	* [[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	953	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	954	{{/info}}
	955
	956	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	957	(% style="color:#000000" %)Discontinued BAM data recording
59.1	958
79.1	959	{{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
	960	//always saved (PBD2)//
	961	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	962	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/8FL2XTDS.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	963	desc: Electron bunch arrival time measured with the BAM after the FLASH2 undulator (pulse resolved data)
33.1	964	units: ps (bigger numbers indicate later arrivaltime of the electrons)
	965
79.1	966	FL1{{code language="none"}}//Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	967	//always saved (PBD2)//
	968	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	969	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	970	desc: Electron bunch arrival time measured with the BAM in the accelerator (pulse resolved data)
14.1	971	units: ps (bigger numbers indicate later arrivaltime of the electrons)
12.1	972
80.1	973	{{info title="BAM hints"}}
79.1	974	* The BAM 4DBC3 measures the arrivaltime of FLASH 1 and FLASH2 in the same data set (thus also sorted in at /FL1/ !).
33.1	975	* 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
	976	** 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	977	* [[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	978	* [[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	979	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	980	{{/info}}
59.1	981	{{/expand}}
10.1	982
68.1	983
	984	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	985
79.1	986	(% 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	987
79.1	988	{{code language="none"}}
	989	/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/
	990	{{/code}}
73.1	991
68.1	992	//always saved (PBD)//
	993	FL0.DBC2
79.1	994	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA2.COMP
	995	{{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	996	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	997
	998
79.1	999	(% 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	1000
	1001	{{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}
79.1	1002	//always saved (PBD)//
68.1	1003	{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE{{/code}}
79.1	1004	(% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel: {{/code}}(%%)
68.1	1005	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	1006	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
14.1	1007
59.1	1008
85.7	1009	DBC2/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1010	//always saved (PBD)//
85.6	1011	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamError.2
	1012	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.2
	1013	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
85.5	1014
85.7	1015	DBC2/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1016	//always saved (PBD)//
85.7	1017	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamStatus.//2//
	1018	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.2
85.5	1019	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
	1020
	1021
	1022
68.1	1023	====== BAM FL2.SEED5{{code language="none"}}{{/code}} ======
	1024
79.1	1025	/FL2/Electron Diagnostic/BAM/SEED5(% style="color:#ff6600" %)/electron bunch arrival time (HDF5 name not yet implemented - see zraw)
68.1	1026
79.1	1027	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/{{/code}}
73.1	1028
68.1	1029	//always saved (PBD)//
79.1	1030	(% style="color:#172b4d" %)FL2.SEED5(%%)
	1031	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL2.SEED5(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
74.1	1032	{{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	1033	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1034
	1035
	1036
79.1	1037	(% 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	1038
79.1	1039	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}(%%)
	1040	//always saved (PBD)//
	1041	(% style="color:#172b4d" %)FL2.SEED5{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE{{/code}}(%%)
	1042	~ (% 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	1043	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	1044	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1045
	1046
85.8	1047	FL2.SEED5/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
	1048	//always saved (PBD)//
	1049	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamError.2
86.1	1050	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMERROR.2
85.8	1051	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
59.1	1052
86.1	1053	FL2.SEED5/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.8	1054	//always saved (PBD)//
86.1	1055	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamStatus.//2//
	1056	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMSTATUS.2
85.8	1057	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
	1058
	1059
15.1	1060	[[Contents>>doc:\|\|anchor="Contents"]]
12.1	1061
	1062
16.1	1063	==== Timing information, rep rate etc. (FLASH2) ====
12.1	1064
15.1	1065	===== start time of FLASH2 =====
12.1	1066
79.1	1067	{{code language="none"}}/FL2/Timing/start time flash2{{/code}}
	1068	//always saved (PBD2)//
	1069	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
	1070	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
17.1	1071	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	1072	units: µs
12.1	1073
	1074	===== bunch repetition rate =====
	1075
79.1	1076	{{code language="none"}}/FL2/Timing/repetition rate{{/code}}
	1077	//always saved (PBD2)//
	1078	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
	1079	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
15.1	1080	desc: repetition rate of the bunches / pulses within the burst (FLASH2)
12.1	1081	units: kHz
	1082
74.1	1083
	1084	===== set number of pulses =====
	1085
79.1	1086	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL2/Timing/set number of bunches {{/code}}(%%)
	1087	//always saved (PBD2)//
74.1	1088	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1089	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1090	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
	1091	units:
	1092
12.1	1093	===== actual number of pulses =====
	1094
79.1	1095	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	1096	//always saved (PBD2)//
	1097	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1098	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1099	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	1100	units:
	1101
	1102	===== actual pulse pattern recorded after the undulator =====
	1103
79.1	1104	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	1105	//always saved (PBD2)//
	1106	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1107	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1108	desc: The bunch pattern as function of time in a burst recorded by toroide diagnostic BEHIND the undulator. (FLASH2)
12.1	1109	units:
	1110
	1111	===== Train ID =====
	1112
79.1	1113	{{code language="none"}}/Timing/train ID{{/code}}
	1114	//always saved (PBD2)//
	1115	DOOCS prop : {{code language="none"}}none{{/code}}
	1116	DAQ channel: {{code language="none"}}none{{/code}}
	1117	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	1118	units:
	1119
93.1	1120	===== (% style="color:#e67e22" %)Train time(%%) =====
12.1	1121
93.2	1122	(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
	1123	(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
79.1	1124	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	1125	units: d h min s cs
	1126
79.1	1127	{{code language="none"}}
	1128	/Timing/time stamp
	1129	{{/code}}
16.1	1130
93.2	1131	(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
	1132	(% 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	1133	second column: microseconds
12.1	1134	third column: Train ID of FLASH
	1135
93.1	1136
	1137	(% 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
	1138
	1139	{{expand expanded="false" title="Timestamp help for python"}}
	1140	import time
	1141
	1142	# epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
	1143	# 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
	1144	epoch_time = 1709051499.17 # Replace with your epoch time
	1145
	1146	formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
	1147	print(formatted_time)
	1148	{{/expand}}
	1149
	1150
	1151
	1152
12.1	1153	[[Contents>>doc:\|\|anchor="Contents"]]
	1154
	1155
19.1	1156	==== User Data (FLASH2) ====
18.1	1157
19.1	1158	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.
	1159
	1160	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
	1161
	1162	The most common and permanently installed device used by experiment are our ADCs:
	1163
18.1	1164	===== GHz ADCs =====
	1165
89.7	1166	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	1167	//saved on DEMAND in the user DAQ//
19.1	1168	\\Up to now there are 4 channels available at FL24
	1169	\\\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD{{/code}}
	1170	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH01/TD{{/code}}
	1171	\\{{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	1172
	1173
79.1	1174	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
18.1	1175	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	1176	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00{{/code}}
18.1	1177
	1178	In addition there are also additional parameters saved like:
	1179
	1180	* {{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.
	1181	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
79.1	1182	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
18.1	1183	* {{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.
	1184
	1185	===== MHz ADCs =====
	1186
79.1	1187	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	1188	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	1189	DOOCS prop : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02/CH00.TD
19.1	1190	DAQ channel: : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02
18.1	1191
	1192	In addition there are also additional parameters saved like:
	1193
	1194	* {{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.
	1195	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
	1196
	1197	[[Contents>>doc:\|\|anchor="Contents"]]
	1198
12.1	1199
	1200
85.1	1201	==== Pump Probe Laser (FLASH2) ====
21.1	1202
84.1	1203	{{info width="30%"}}
80.1	1204	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
	1205
84.1	1206	[[attach:FSLADAQ-DAQParameterlistULGAN-2.pdf\|\|target="_blank"]]
80.1	1207
84.1	1208	[[attach:FSLADAQ-DAQParameterlistFL23-2.pdf\|\|target="_blank"]]
80.1	1209
84.1	1210	[[attach:FSLADAQ-DAQParameterlistFL24-2.pdf\|\|target="_blank"]]
	1211
	1212
	1213	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1214
85.1	1215
	1216	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1217
	1218
	1219	{{view-file att--filename="FSLADAQ-DAQParameterlistFL24-2.pdf"}}{{/view-file}}
	1220
84.1	1221
80.1	1222	{{/info}}
	1223
85.1	1224	{{expand title="Laser parameters used until 2023"}}
79.1	1225	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL24//
21.1	1226
64.1	1227	User delay
	1228
	1229	Delay (set value):
	1230
79.1	1231	{{code language="none"}}
	1232	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1233	{{/code}}
64.1	1234
77.1	1235	Delay (readback):
64.1	1236
79.1	1237	{{code language="none"}}
	1238	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1239	{{/code}}
64.1	1240
79.1	1241	(% style="letter-spacing:0.0px" %)Delay (encoder readback):
77.1	1242
79.1	1243	{{code language="none"}}
	1244	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1245	{{/code}}
77.1	1246
64.1	1247	OXC. jitter:
	1248
79.1	1249	{{code language="none"}}
	1250	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1251	{{/code}}
64.1	1252
	1253
	1254
77.1	1255	FL24 Pulse resolved energy:
	1256
72.1	1257	OPCPA output (photodiode signal raw ADC trace 16000 samples):
64.1	1258
79.1	1259	{{code language="none"}}
	1260	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH23.TD/dGroup
	1261	{{/code}}
64.1	1262
79.1	1263	(% style="letter-spacing:0.0px" %)Upper breadboard Photodiode (THG) burst (photodiode signal raw ADC trace 16000 samples)::
64.1	1264
79.1	1265	{{code language="none"}}
	1266	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH26.TD/dGroup
	1267	{{/code}}
64.1	1268
72.1	1269	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	1270
79.1	1271	{{code language="none"}}
	1272	/zraw/FLASH.LASER/MOD24.PES/FL24_userPD/dGroup
	1273	{{/code}}
64.1	1274
	1275
77.1	1276	FL24 LAM (Laser Arrivaltime Monitor) pulse resolved data:
64.1	1277
72.1	1278	Signal of Photodiode1 - for experts only... (analyzed signal. integration over pulses in the ADC trace. )
	1279
79.1	1280	{{code language="none"}}
	1281	/zraw/FLASH.LASER/MOD24.PES/LAM.PD1/dGroup
	1282	{{/code}}
72.1	1283
	1284	Signal of Photodiode2 - for experts only... (analyzed signal. integration over pulses in the ADC trace.)
	1285
79.1	1286	{{code language="none"}}
	1287	/zraw/FLASH.LASER/MOD24.PES/LAM.PD2/dGroup
	1288	{{/code}}
72.1	1289
	1290	"Actual" LAM Signal - to be calibrated ...... (analyzed signal. integration over pulses in the ADC trace.)
	1291
79.1	1292	{{code language="none"}}
	1293	/zraw/FLASH.LASER/MOD24.PES/LAM.PDBAL/dGroup
	1294	{{/code}}
72.1	1295
79.1	1296	The delay feedback(% style="letter-spacing:0.0px" %)
75.1	1297
79.1	1298	{{code language="none"}}
	1299	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1300	{{/code}}
64.1	1301
79.1	1302	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	1303
79.1	1304	{{code language="none"}}
	1305	FLASH.LASER/MOD24.PES/LAM.PDBAL/PULSEENERGY.MEAN
	1306	{{/code}}
75.1	1307
76.1	1308	LAM Delay line act:
75.1	1309
76.1	1310	{{code language="none"}}FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION.RD{{/code}}
	1311	LAM Delay line set:
75.1	1312
79.1	1313	{{code language="none"}}
	1314	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION_SET.WR
	1315	{{/code}}
75.1	1316
76.1	1317	LAM Delay line encoder:
75.1	1318
79.1	1319	{{code language="none"}}
	1320	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.ENCODER_POSITION.RD
	1321	{{/code}}
75.1	1322
76.1	1323	Temperature feedback:
75.1	1324
79.1	1325	{{code language="none"}}
	1326	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1327	{{/code}}
75.1	1328
	1329	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):
	1330
79.1	1331	{{code language="none"}}
	1332	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.INTS/INTEGER30
	1333	{{/code}}
75.1	1334
	1335
77.1	1336	FL24 Attenuator angle:
75.1	1337
79.1	1338	{{code language="none"}}
	1339	FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS
	1340	{{/code}}
64.1	1341
77.1	1342	FL24 Polarization control:
64.1	1343
79.1	1344	{{code language="none"}}
	1345	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL24/FPOS
	1346	{{/code}}
64.1	1347
	1348	SysDC delay error:
	1349
79.1	1350	{{code language="none"}}
	1351	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1352	{{/code}}
64.1	1353
	1354
	1355	Timing error: (these two need to be observed and both=0 means no error)
	1356
79.1	1357	{{code language="none"}}
	1358	FLASH/CPUULGAN1.TIMING/ULGAN1/dT_alarm
	1359	{{/code}}
64.1	1360
79.1	1361	{{code language="none"}}
	1362	FLASH/CPUULGAN1.TIMING/ULGAN1/dMPN
	1363	{{/code}}
64.1	1364
	1365	Laser error status:
	1366
	1367
77.1	1368	FL24 Virtual camera X and Y history, beam size: (use slow data)
64.1	1369
79.1	1370	{{code language="none"}}
	1371	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.X
	1372	{{/code}}
64.1	1373
79.1	1374	{{code language="none"}}
	1375	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.Y
	1376	{{/code}}
64.1	1377
79.1	1378	{{code language="none"}}
	1379	FLASH.LASER/MOD24.CAM/UV.14.VF/ROI_SPECTRUM.X.SIG
	1380	{{/code}}
64.1	1381
	1382	{{expand title="Parameters used until 2021"}}
79.1	1383	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/attenuator position{{/code}}always saved (PBD2)//
	1384	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1385	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1386	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1387	units : deg.
	1388
12.1	1389
21.1	1390
79.1	1391	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/polarization position{{/code}}always saved (PBD2)//
	1392	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1393	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1394	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1395	units : deg.
	1396
12.1	1397
79.1	1398	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay readback{{/code}}
	1399	//always saved (PBD2)//
	1400	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
21.1	1401	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
	1402	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)
	1403	units : ps )
	1404
12.1	1405
79.1	1406	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS{{/code}}
	1407	//always saved (PBD)//
	1408	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
	1409	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
22.1	1410	desc: rms jitter of the fs-Oscillator
	1411	units: fs
65.1	1412	{{/expand}}
21.1	1413
77.1	1414
	1415	==== FL 26 Pump Probe Laser (FLASH2) ====
	1416
79.1	1417	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL26//
77.1	1418
	1419
	1420	User delay
	1421
	1422	Delay (set value):
	1423
79.1	1424	{{code language="none"}}
	1425	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1426	{{/code}}
77.1	1427
	1428	Delay (readback):
	1429
79.1	1430	{{code language="none"}}
	1431	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1432	{{/code}}
77.1	1433
78.1	1434	Delay (encoder readback):
77.1	1435
79.1	1436	{{code language="none"}}
	1437	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1438	{{/code}}
77.1	1439
	1440	OXC. jitter:
	1441
79.1	1442	{{code language="none"}}
	1443	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1444	{{/code}}
77.1	1445
	1446
	1447	Parameters for FL26
	1448
78.1	1449	(% class="wrapped" %)
77.1	1450	\|(((
	1451	FL2PPL FL26 REMI Attenuation: HWP motor current position
	1452	)))\|(((
	1453	FLASH.FEL/FLAPP2BEAMLINES/MOTOR11.FL26B/FPOS
	1454	)))
	1455	\|(((
	1456	FL2PPL FL26 REMI Polarization: linear polarization angle
	1457	)))\|(((
	1458	FLASH.FEL/FLAPP2BEAMLINES/MOTOR12.FL26B/FPOS
	1459	)))
	1460	\|(((
	1461	FL2PPL FL26 REMI Diagnostics: NIR spectrum
	1462	)))\|(((
	1463	FLASH.LASER/MOD26.SPECT/REMI/DAQ_CHANNEL
	1464	)))
	1465	\|(((
	1466	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - pulse energy mean
	1467	)))\|(((
	1468	FLASH.LASER/MOD26.PES/RE_OUT/PULSEENERGY.MEAN
	1469	)))
	1470	\|(((
	1471	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - intra burst pulse energy
	1472	)))\|(((
	1473	FLASH.LASER/MOD26.PES/RE_OUT/DAQ_CHANNEL
	1474	)))
	1475	\|(((
	1476	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - raw adc
	1477	)))\|(((
	1478	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH04.TD
	1479	)))
	1480	\|(((
	1481	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - pulse energy mean
	1482	)))\|(((
	1483	FLASH.LASER/MOD26.PES/INC_BOX/PULSEENERGY.MEAN
	1484	)))
	1485	\|(((
	1486	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - intra burst pulse energy
	1487	)))\|(((
	1488	FLASH.LASER/MOD26.PES/INC_BOX/DAQ_CHANNEL
	1489	)))
	1490	\|(((
	1491	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - raw adc
	1492	)))\|(((
	1493	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH05.TD
	1494	)))
	1495	\|(((
	1496	FL2PPL FL26 REMI In coupling: filter wheel 1 position
	1497	)))\|(((
	1498	FLASH/MOD26.FW1/FLASH2MOD26/pos
	1499	)))
	1500	\|(((
	1501	FL2PPL FL26 REMI In coupling: filter wheel 2 position
	1502	)))\|(((
	1503	FLASH/MOD26.FW2/FLASH2MOD26/pos
	1504	)))
	1505	\|(((
	1506	FL2PPL FL26 REMI: Energy meter REMI incoupling breadboard
	1507	)))\|(((
	1508	FLASH.LASER/MOD26.OPHIRE/REINC.54/DAQ_CHANNEL
	1509	)))
	1510	\|(((
	1511	FL2PPL FL26 REMI Incoupling: focusing lens position
	1512	)))\|(((
	1513	FLASH.FEL/FLAPP2BEAMLINES/MOTOR3.FL26B/FPOS
	1514	)))
	1515	\|(((
	1516	FL2PPL FL26 REMI Incoupling: nearfield
	1517	)))\|(((
	1518	FLASH.LASER/MOD26.CAM/REINC.21.NF/DAQ_CHANNEL
	1519	)))
	1520	\|(((
	1521	FL2PPL FL26 REMI Incoupling: focus
	1522	)))\|(((
	1523	FLASH.LASER/MOD26.CAM/REINC.22.FF/DAQ_CHANNEL
	1524	)))
	1525	\|(((
	1526	FL2PPL FL26 REMI Drift: relative arrival time intra burst LAM balanced - calb. in the PES
	1527	)))\|(((
	1528	FLASH.LASER/MOD26.PES/LAM_DIFF/DAQ_CHANNEL
	1529	)))
	1530	\|(((
	1531	FL2PPL FL26 REMI Drift: forward signal (PD1) raw
	1532	)))\|(((
	1533	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH00.TD
	1534	)))
	1535	\|(((
	1536	FL2PPL FL26 REMI Drift: backward signal (PD2) raw
	1537	)))\|(((
	1538	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH01.TD
	1539	)))
	1540	\|(((
	1541	FL2PPL FL26 REMI Drift: mean relative burst arrival time - avarage of the calib value
	1542	)))\|(((
	1543	FLASH.LASER/MOD26.PES/LAM_DIFF/PULSEENERGY.MEAN
	1544	)))
	1545	\|(((
	1546	FL2PPL FL26 REMI Drift: delay line position (ODL of the LAM REMI)
	1547	)))\|(((
	1548	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL26B/FPOS
	1549	)))
	1550	\|(((
	1551	FL2PPL FL26 Laser Hutch: delay line position (ODL of the osc. Sync / user delay)
	1552	)))\|(((
	1553	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1554	)))
	1555	\|(((
	1556	FL2PPL FL26 REMI Drift: delay line encoder position (ODL REMI raw value)
	1557	)))\|(((
	1558	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.0.ENCODER_POSITION.RD
	1559	)))
	1560	\|(((
	1561	Jiiter between oscillator and MLO (inloop jitter osc. Sync)
	1562	)))\|(((
	1563	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1564	)))
	1565	\|(((
	1566	Temperature controlled fiber (PWM signal to the temperature controlled fiber delay sysdc)
	1567	)))\|(((
	1568	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE23
	1569	)))
	1570	\|(((
	1571	Temperature controlled fiber (Temp of the fiber delay sysdc)
	1572	)))\|(((
	1573	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1574	)))
	1575	\|(((
	1576	Sydc feedback data if LAM is not activated (sysdc delay)
	1577	)))\|(((
	1578	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1579	)))
85.1	1580	{{/expand}}
21.1	1581
	1582
85.1	1583
23.1	1584	=== "/uncategorized/" ===
	1585
	1586	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
	1587
	1588
1.1	1589	=== HDF5 structure revisions ===
	1590
	1591	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:
	1592
	1593
	1594	* All FLASH1 related HDF groups moved to group "/FL1", i.e. a new prefix "/FL1" is added to their HDF path.
	1595	* 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".
	1596	* A number of inconsistent names have been streamlined. The relevant changes are listed in the following table.
	1597
45.1	1598	(% class="wrapped" %)
1.1	1599	\|=(((
4.1	1600	earlier HDF path (vers. 0.2)
1.1	1601	)))\|=(((
4.1	1602	is now (vers. 0.3)
1.1	1603	)))
	1604	\|(((
	1605	/Photon Diagnostic/GMD/Beam position/position BDA x
	1606	)))\|(((
	1607	/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal
	1608	)))
	1609	\|(((
	1610	/Photon Diagnostic/GMD/Beam position/position BDA y
	1611	)))\|(((
	1612	/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical
	1613	)))
	1614	\|(((
	1615	/Photon Diagnostic/GMD/Beam position/position tunnel x
	1616	)))\|(((
	1617	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal
	1618	)))
	1619	\|(((
	1620	/Photon Diagnostic/GMD/Beam position/position tunnel y
	1621	)))\|(((
	1622	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical
	1623	)))
	1624	\|(((
	1625	/Experiment/Pump probe laser/BPM/position x
	1626	)))\|(((
	1627	/FL1/Experiment/Pump probe laser/BPM/position horizontal
	1628	)))
	1629	\|(((
	1630	/Experiment/Pump probe laser/BPM/position y
	1631	)))\|(((
	1632	/FL1/Experiment/Pump probe laser/BPM/position vertical
	1633	)))
	1634	\|(((
	1635	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall horizontal
	1636	)))\|(((
	1637	/FL2/Photon Diagnostic/GMD/Average beam position/position hall horizontal
	1638	)))
	1639	\|(((
	1640	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall vertical
	1641	)))\|(((
	1642	/FL2/Photon Diagnostic/GMD/Average beam position/position hall vertical
	1643	)))
	1644	\|(((
	1645	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel horizontal
	1646	)))\|(((
	1647	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel horizontal
	1648	)))
	1649	\|(((
	1650	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel vertical
	1651	)))\|(((
	1652	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel vertical
	1653	)))
	1654	\|(((
	1655	/FL2/Photon Diagnostic/GMD/Average energy/hall
	1656	)))\|(((
	1657	/FL2/Photon Diagnostic/GMD/Average energy/energy hall
	1658	)))
	1659	\|(((
	1660	/FL2/Photon Diagnostic/GMD/Average energy/hall (raw)
	1661	)))\|(((
	1662	/FL2/Photon Diagnostic/GMD/Average energy/energy hall (raw)
	1663	)))
	1664	\|(((
	1665	/FL2/Photon Diagnostic/GMD/Average energy/tunnel
	1666	)))\|(((
	1667	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel
	1668	)))
	1669	\|(((
	1670	/FL2/Photon Diagnostic/GMD/Average energy/tunnel (raw)
	1671	)))\|(((
	1672	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel (raw)
	1673	)))
	1674	\|(((
	1675	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall x
	1676	)))\|(((
	1677	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall horizontal
	1678	)))
	1679	\|(((
	1680	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall y
	1681	)))\|(((
	1682	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall vertical
	1683	)))
	1684	\|(((
	1685	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel x
	1686	)))\|(((
	1687	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel horizontal
	1688	)))
	1689	\|(((
	1690	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel y
	1691	)))\|(((
	1692	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel vertical
	1693	)))
	1694
4.1	1695	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	1696
79.1	1697
44.1	1698	{{/layout-cell}}
	1699	{{/layout-section}}
	1700	{{/layout}}

Wiki source code of The FLASH HDF5 structure

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