Wiki source code of The FLASH HDF5 structure

Version 89.12 by sndueste on 2025/04/24 13:22

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
5.1	119	Note, the HDF group and data set names apply to our HDF tree version since vers. 0.3.0.
1.1	120
	121
	122	=== FLASH1 ===
	123
	124	==== Beamline info (FLASH1) ====
	125
79.1	126	{{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
	127	//always saved (PBD)//
	128	DOOCS prop : {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	129	DAQ channel: {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
	130	desc: set pressure in the gas attenuator
1.1	131	units: mbar
	132
79.1	133	{{code language="none"}}/FL1/Beamlines/BL/Fast shutter/open{{/code}}
	134	//always saved (PBD)//
	135	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER/CH00.TD{{/code}}
	136	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/BL.SHUTTER{{/code}}
	137	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	138	units: none
	139
79.1	140	{{code language="none"}}/FL1/Beamlines/PG/Fast shutter/open{{/code}}
	141	//always saved (PBD)//
	142	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER/CH00.TD{{/code}}
	143	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL1FS/PG.SHUTTER{{/code}}
	144	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	145	units: none
	146
79.1	147	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 1{{/code}}
	148	//always saved (PBD)//
	149	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
	150	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
89.5	151	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	152	units: degree
	153
79.1	154	{{code language="none"}}/FL1/Beamlines/BL/Filters/BL filter wheel/position filter 2{{/code}}
	155	//always saved (PBD)//
	156	DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
	157	DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
89.5	158	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	159	units: degree
	160
79.1	161	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 1{{/code}}
	162	//always saved (PBD)//
	163	DOOCS prop : = TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS=
	164	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF1/BDA.F1/FW.MOTOR.POS{{/code}}
	165	desc: Position of the PG filter wheel 1
1.1	166	units: degree
	167
79.1	168	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 2{{/code}}
	169	//always saved (PBD)//
	170	DOOCS prop : {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	171	DAQ channel: {{code language="none"}}TTF2.FEL/BDAF2/BDA.F2/FW.MOTOR.POS{{/code}}
	172	desc: Position of the PG filter wheel 2
1.1	173	units: degree
	174
79.1	175	{{code language="none"}}/FL1/Beamlines/PG/Filters/position filter 3{{/code}}
	176	//always saved (PBD)//
	177	DOOCS prop : {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	178	DAQ channel: {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
	179	desc: Position of the PG filter wheel 3
1.1	180	units: degree
8.1	181
1.1	182
8.1	183
34.1	184	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	185
4.1	186	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	187
8.1	188
39.1	189	==== 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	190
55.1	191	{{expand title="Discontinued GMD format (used until 2021)"}}
79.1	192	(% style="color:#000000" %)Discontinued GMD data recording / evaluation (VME + PhotonFlux ML server)
39.1	193
79.1	194	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
40.1	195	//always saved (PBD)//
34.1	196
79.1	197	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}} (%%)
	198	(% style="color:#000000" %)DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}(%%)
	199	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator (ion current)
1.1	200	units : microJ
	201
79.1	202	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
34.1	203	//always saved (PBD)//
	204
79.1	205	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT34/VAL{{/code}}
	206	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.USER{{/code}}
1.1	207	desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	208	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	209
79.1	210	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel (raw){{/code}}
	211	//always saved (PBD)//
	212	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT14/VAL{{/code}}
	213	DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.FF{{/code}}
	214	desc :Energy per pulse Tunnel (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	215	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	216
79.1	217	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
34.1	218	//always saved (PBD)//
	219
79.1	220	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
	221	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
1.1	222	desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
	223	units : microJ
	224
79.1	225	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
34.1	226	//always saved (PBD)//
	227
79.1	228	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
	229	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
1.1	230	desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
89.4	231	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	232
79.1	233	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA (raw){{/code}}
	234	//always saved (PBD)//
	235	DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT15/VAL{{/code}}
	236	DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
	237	desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
89.4	238	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	239	{{/expand}}
1.1	240
34.1	241
79.1	242	(% style="color:#000000; letter-spacing:0px" %)NEW (since 2021) GMD data recording / evaluation (same format as FLASH2 and XFEL)
54.1	243
79.1	244	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	245	//always saved (PBD)//
	246	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
	247	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
39.1	248
79.1	249	desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
39.1	250	units : microJ
	251
	252
79.1	253	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
39.1	254	//always saved (PBD)//
	255
79.1	256	(% style="color:#000000" %)DOOCS prop :
39.1	257	{{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}}
	258
	259	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	260	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	261
	262	{{info title="GMD pulse resolved data structure"}}
79.1	263	For every pulse in the pulse train the information is saved:
39.1	264
	265	1. Intensity per pulse (a.u. (more or less µJ ))
	266	1. Intensity per pulse (auxillary GMD) - not used
	267	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	268	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	269	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	270	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	271	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	272	1. Combined warning and error flags
	273
	274	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	275	file
	276
	277
	278	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
	279
79.1	280
39.1	281	{{/info}}
	282
79.1	283	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	284
	285
	286	Besides pulse energy the GMD also provides information about the beam position
	287
79.1	288	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
	289	//always saved (PBD)//
	290	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	291	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
	292	desc :Beam position of the photon Beam determined by the GMD (BDA, x=horizontal)
1.1	293	units : mm
	294
79.1	295	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical{{/code}}
	296	//always saved (PBD)//
	297	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	298	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
	299	desc :Beam position of the photon Beam determined by the GMD (BDA, y=vertical)
1.1	300	units : mm
	301
79.1	302	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal{{/code}}
	303	//always saved (PBD)//
	304	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	305	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
	306	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, x=horizontal)
1.1	307	units : mm
	308
79.1	309	{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical{{/code}}
	310	//always saved (PBD)//
	311	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	312	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
	313	desc :Beam position of the photon Beam determined by the GMD (TUNNEL, y=vertical)
1.1	314	units : mm
	315
39.1	316
	317	==== Spectrometer (FLASH1) ====
	318
79.1	319	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength{{/code}}
	320	_always saved (when Spectrum is measured !!) (PBD) _
	321	DOOCS prop : {{code language="none"}}TTF2.EXP/PHOTONWL.ML/WAVE_LENGTH/VAL.TD{{/code}}
	322	DAQ channel: {{code language="none"}}PBD.PHOTONWL.ML/WAVE_LENGTH{{/code}}
	323	desc : XUV Spectrum measured with the "tunnel spectrometer"
1.1	324	units :
	325
79.1	326	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength start value{{/code}}
	327	_always saved (when Spectrum is measured !!) (PBD) _
	328	DOOCS prop : {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	329	DAQ channel: {{code language="none"}}TTF2.EXP/PBD.PHOTONWL.ML/BSTART/VAL{{/code}}
	330	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	331	units : nm
	332
79.1	333	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength increment{{/code}}
	334	_always saved (when Spectrum is measured !!) (PBD) _
	335	DOOCS prop : ==
	336	DAQ channel: ==
	337	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "tunnel spectrometer"
1.1	338	units : nm
	339
79.1	340	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy{{/code}}
	341	//saved on DEMAND (PBD spectrometer stream)//
	342	DOOCS prop : ==
	343	DAQ channel: {{code language="none"}}PBD.PHOTONEN.ML/PHOTON_ENERGY{{/code}}
1.1	344	desc : XUV Spectrum in eV measured with the "PG2 spectrometer"
	345	units :
	346
79.1	347	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy start value{{/code}}
	348	//saved on DEMAND (PBD spectrometer stream)//
	349	DOOCS prop : ==
	350	DAQ channel: ==
	351	desc : start value (in eV) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	352	units : eV
	353
79.1	354	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon energy increment{{/code}}
	355	//saved on DEMAND (PBD spectrometer stream)//
	356	DOOCS prop : ==
	357	DAQ channel: ==
	358	desc : increment value (in eV) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	359	units : eV
	360
79.1	361	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength{{/code}}
	362	//saved on DEMAND (PBD spectrometer stream)//
	363	DOOCS prop : ==
	364	DAQ channel: {{code language="none"}}PHOTONEN.ML/PHOTON_WAVE_LEN{{/code}}
1.1	365	desc : XUV Spectrum in nm measured with the "PG2 spectrometer"
	366	units :
	367
79.1	368	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength increment{{/code}}
	369	//saved on DEMAND (PBD spectrometer stream)//
	370	DOOCS prop : ==
	371	DAQ channel: ==
	372	desc : start value (in nm) for the wavelength axis of the XUV Spectrum measured with the "PG2 spectrometer"
1.1	373	units : nm
	374
79.1	375	{{code language="none"}}/FL1/Photon Diagnostic/Wavelength/PG2 spectrometer/photon wavelength start value{{/code}}
	376	//saved on DEMAND (PBD spectrometer stream)//
	377	DOOCS prop : ==
	378	DAQ channel: ==
	379	desc : increment value (in nm) for each pixel for the wavelength axis of the XUV Spectrum measured with the "PG spectrometer"
1.1	380	units : nm
	381
4.1	382	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	383
	384	==== Electron Beam properties (FLASH1) ====
	385
	386	===== bunch charge =====
	387
79.1	388	{{code language="none"}}/FL1/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	389	//always saved (PBD)//
	390	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/CHARGE.FLASH1{{/code}}
	391	DAQ channel: {{code language="none"}}FLASH.DIAG/TOROID/12EXP{{/code}}
	392	desc: electron bunch charge (FLASH1)
1.1	393	units: nC
	394
5.1	395	=====
57.1	396	arrival time (BAM) =====
1.1	397
88.5	398	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	399	* 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	400	* The data format of the BAM has been completely altered in the 2022 shutdown
	401	* 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	402	* 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	403	* There has been also a renaming (and relocation) of the BAMs.
	404	** acc: 4DBC3 → FL0.DBC2
	405	** FL1: 1SFELC → FL1.SFELC
79.1	406	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
88.4	407	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	408	* [[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	409	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	410	{{/info}}
	411
	412	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	413	(% style="color:#000000" %)Discontinued BAM data recording
57.1	414
79.1	415	{{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	416	//always saved (PBD)//
	417	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	418	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	419	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	420	units: ps (bigger numbers indicate later arrivaltime of the electrons)
1.1	421
58.1	422
79.1	423	{{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
	424	//always saved (PBD)//
	425	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	426	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	427	desc: Electron bunch arrival time measured with the BAM before the undulator (pulse resolved data). This one was newly installed in 2020.
58.1	428	units: ps (bigger numbers indicate later arrival time of the electrons)
57.1	429	{{/expand}}
33.1	430
68.1	431	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	432
79.1	433	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (HDF5 name not yet implemented - see zraw)(%%)
68.1	434	//always saved (PBD)//
74.1	435	{{code language="none"}}/FL1/Electron Diagnostic/BAM/ {{/code}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
79.1	436	DAQ (% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA1.COMP (%%)
74.1	437	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	438
74.1	439	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
68.1	440
	441
79.1	442	(% style="color:#ff6600" %)DBC2/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	443	//always saved (PBD)//
67.1	444	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE
79.1	445	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	446	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	447	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	448
57.1	449
79.1	450	(% style="color:#ff6600" %)DBC2/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	451	//always saved (PBD)//
85.3	452	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E.bamError.1(%%)
85.4	453	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.1(%%)
85.2	454	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	455
58.1	456
79.1	457	(% style="color:#ff6600" %)DBC2/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	458	//always saved (PBD)//
	459	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	460	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.1(%%)
	461	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	462
	463
68.1	464	====== BAM FL1.SFELC{{code language="none"}}{{/code}} ======
	465
79.1	466	(% 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	467
	468	//always saved (PBD)//
79.1	469	(% style="color:#172b4d" %)FL1.SFELC(%%)
	470	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
	471	{{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	472	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	473
	474
	475
79.1	476	(% 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}}(%%)
	477	//always saved (PBD)//
	478	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIME.ABSOLUTE
	479	DAQ channel: (% style="color:#000000" %)FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.ABSOLUTE (%%)
68.1	480	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	481	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	482
	483
79.1	484	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	485	//always saved (PBD)//
	486	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E.bamError(%%)
	487	DAQ channel(% style="color:#000000" %): FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMERROR(%%)
58.1	488	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
	489
	490
79.1	491	(% style="color:#172b4d" %)SFELC(% style="color:#ff6600" %)/status (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
	492	//always saved (PBD)//
	493	DOOCS prop : FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color:#000000" %)E..bamStatus.//1//(%%)
	494	DAQ chann(% style="color:#000000" %)el: FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMSTATUS.1(%%)
59.1	495	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	496
	497
33.1	498
1.1	499	===== electron beam profile =====
	500
79.1	501	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
	502	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	503	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/OUT.PROF.CCCED{{/code}}
	504	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/DAQ.OUT.PROF.CCCED{{/code}}
	505	desc: temporal profile of electron bunch, y axis in Ampers (FLASH1)
1.1	506	units: pixel
	507
79.1	508	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/Expert stuff/TDS calibration constant{{/code}}
	509	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	510	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/CALIB.CONST.T{{/code}}
	511	DAQ channel: = PBD.BEAM.PROF.ML/CCT=
	512	desc: TDS calibration constant for the x-axis of the profiles: fs per pixel
1.1	513	units: fs per pixel
	514
79.1	515	{{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile width rms{{/code}}
	516	//always saved (PBD) - IF LOLA is ON and ACTIVATED in the PBD DAQ (talk to expert)//
	517	DOOCS prop : {{code language="none"}}TTF2.DAQ/BEAM.PROF.ML/BEAM.PROF/SOWS.W.CCTED{{/code}}
	518	DAQ channel: {{code language="none"}}PBD.BEAM.PROF.ML/PROFWIDTHCCTED{{/code}}
	519	desc: rms pulse width of the measures TDS electron bunch profile
1.1	520	units: fs
	521
	522	===== electron bunch energy =====
	523
79.1	524	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/average electron energy{{/code}}
	525	//always saved (PBD)//
	526	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_INTRA_MEAN/VAL{{/code}}
	527	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_MEAN{{/code}}
	528	desc: electron bunch energy (average over the bunch train)
89.12	529	units: (% class="twikiNewLink" %)MeV
1.1	530
79.1	531	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/pulse resolved energy{{/code}}
	532	//always saved (PBD)//
	533	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_SPECT/VAL.TD{{/code}}
	534	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_SPECT{{/code}}
	535	desc: electron bunch energy bunch resolved
5.1	536	units: (% class="twikiNewLink" %)MeV
1.1	537
	538
79.1	539	{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/wavelength bunch train average{{/code}}
	540	//always saved (PBD)//
	541	DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/LAMBDA_MEAN/VAL{{/code}}
	542	DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/LAMBDA_MEAN{{/code}}
	543	desc: Wavelength calculated by the electron bunch energy (average over the bunch train) (FLASH1)
1.1	544	units: nm
	545
4.1	546	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	547
	548
5.1	549	==== Timing information, rep rate etc. (FLASH1) ====
1.1	550
	551	===== bunch repetition rate =====
	552
79.1	553	{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
	554	//always saved (PBD)//
	555	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
	556	DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
1.1	557	desc: repetition rate of the bunches / pulses within the burst (FLASH1)
	558	units: kHz
	559
	560	===== set number of pulses =====
	561
79.1	562	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL1/Timing/set number of bunches {{/code}}(%%)
	563	//always saved (PBD)//
74.1	564	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	565	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
	566	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	567	units:
	568
	569	===== actual number of pulses =====
	570
79.1	571	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	572	//always saved (PBD)//
	573	DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/NUMBEROFBUNCHES.FLASH1{{/code}}
	574	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	575	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	576	units:
	577
	578	===== actual pulse pattern recorded after the undulator =====
	579
79.1	580	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	581	//always saved (PBD)//
	582	DOOCS prop : {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP/CHARGE.TD{{/code}}
	583	DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
	584	desc: The bunch pattern as function of time in a burst recorded by toroid diagnostic BEHIND the undulator. (FLASH1)
1.1	585	units:
	586
	587	===== Train ID =====
	588
79.1	589	{{code language="none"}}/Timing/train ID{{/code}}
	590	//always saved (PBD)//
	591	DOOCS prop : {{code language="none"}}none{{/code}}
	592	DAQ channel: {{code language="none"}}none{{/code}}
	593	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	594	units:
	595
89.12	596	===== (% style="color:#e67e22" %)Train time(%%) =====
1.1	597
89.12	598	(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
79.1	599	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	600	units: d h min s cs
	601
89.12	602	(% style="color:#e67e22" %){{code language="none"}}/Timing/time stamp{{/code}}
79.1	603	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
	604	second column: microseconds
1.1	605	third column: Train ID of FLASH
	606
89.12	607	currently it is saved as Unix time in
	608
	609	\|/zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
	610
4.1	611	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	612
	613
	614	==== Pump Probe Laser (FLASH1) ====
	615
63.1	616	PIGLET (PG laser)
62.1	617
63.1	618	{{code language="none"}}/FL1/Experiment/Pump probe laser{{/code}}
	619
83.1	620	{{info width="30%"}}
80.1	621	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
63.1	622
82.1	623	Download the PDF:
	624
83.1	625	{{view-file att--filename="FSLADAQ-DAQParameterlistPiGLET.pdf"}}{{/view-file}}
	626
	627
81.1	628
80.1	629	{{/info}}
69.1	630
62.1	631	{{expand title="Parameters used until 2021"}}
79.1	632	{{code language="none"}}
	633	/FL1/Experiment/Pump probe laser/laser attenuation
	634	{{/code}}
5.1	635
79.1	636	//always saved (PBD)//
	637	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	638	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/ROT2.CURRENT{{/code}}
	639	desc: attenuation of the PPLaser (rotation of a waveplate)
1.1	640	units : 0 no transmission , 1: full transmission
	641
5.1	642
79.1	643	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay{{/code}}
	644	//always saved (PBD)//
	645	DOOCS prop : {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	646	DAQ channel: {{code language="none"}}TTF2.FEL/PPDELAYCAL/PPDELAYCAL/DLY1.CURRENT{{/code}}
	647	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	648	units : ps ( pos delay means IR comes later)
	649
5.1	650
79.1	651	{{code language="none"}}/FL1/Experiment/Pump probe laser/delay line IK220.0/ENC.DELAY{{/code}}
	652	//always saved (PBD)//
	653	DOOCS prop : {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0/ENC.DELAY{{/code}}
	654	DAQ channel: {{code language="none"}}TTF2.FEL/DELLINE.ENC/IK220.0:ENC.DELAY{{/code}}
	655	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	656	units : ps ( pos delay means IR comes later)
	657
5.1	658
79.1	659	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS GECCO{{/code}}
	660	//always saved (PBD)//
	661	DOOCS prop : {{code language="none"}}FLASH.SYNC/F1PPL.LASER_LOCK/28C.F1PPL1.CONTROLLER/ADV_CTRL_MANAGER.0.PID_INPUT_JITTER.2.RD{{/code}}
	662	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	663	desc: rms jitter of the GECCO (% class="twikiNewLink" %)TiSa(%%) Oscillator units: fs
1.1	664
	665
79.1	666	{{code language="none"}}/FL1/Experiment/Pump probe laser/streak camera delay time{{/code}}
	667	//always saved (PBD)//
	668	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
	669	DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
52.1	670	desc: delay time between the optical laser and the FEL units: ps
62.1	671	{{/expand}}
1.1	672
	673
4.1	674	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	675
	676
	677	==== User Data (FLASH1) ====
	678
52.1	679	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	680
	681	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
	682
	683	The most common and permanently installed device used by experiment are our ADCs:
	684
1.1	685	===== GHz ADCs =====
	686
89.7	687	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	688	//saved on DEMAND in the user DAQ//
1.1	689	\\The HDF5 names for the ADC traces are depending on the beamline :
79.1	690	\\PG Beamline:
	691	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
	692	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
	693	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	694	{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
	695
79.1	696	BL Beamlines:
	697	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
	698	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
	699	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
	700	{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
	701	\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
	702	{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
	703	\\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
1.1	704	{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
	705
79.1	706	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
52.1	707	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	708	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
	709
18.1	710	In addition there are also additional parameters saved like:
1.1	711
16.1	712	* {{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	713	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
79.1	714	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
1.1	715
	716	===== MHz ADCs =====
	717
79.1	718	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	719	{{code language="none"}}/FL1/Experiment/BL1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	720	DOOCS prop : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02/CH00.TD
1.1	721	DAQ channel: : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02
	722
18.1	723	In addition there are also additional parameters saved like:
1.1	724
18.1	725	* {{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	726	* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
18.1	727
4.1	728	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	729
18.1	730
	731
	732
1.1	733	=== FLASH2 ===
	734
7.1	735	There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs
1.1	736
7.1	737	==== Beamline info (FLASH2) ====
6.1	738
79.1	739	{{code language="none"}}/FL2/Beamlines/Attenuator/pressure {{/code}}
	740	(% style="color:#000000" %)//always saved (PBD2)// (%%)
	741	(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	742	(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}} (%%)
	743	(% style="color:#000000" %)desc: set pressure in the gas attenuator (%%)
89.12	744	(% style="color:#000000" %)units: mbar
5.1	745
79.1	746	{{code language="none"}}/FL2/Beamlines/FL20/Shutter/open{{/code}}
	747	//always saved (PBD2)//
	748	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER/CH00.TD{{/code}}
	749	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER{{/code}}
	750	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	751	units: none
5.1	752
	753
79.1	754	{{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 1{{/code}}
	755	//always saved (PBD2)//
	756	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS{{/code}}
	757	DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS
89.5	758	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	759	units: degree
	760
79.1	761	/FL2/Beamlines/Filter wheel/position wheel 2
	762	always saved (PBD2)
	763	DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
	764	DAQ channel: {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS{{/code}}
89.5	765	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	766	units: degree
6.1	767
8.1	768
	769	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
	770
6.1	771	[[Contents>>doc:\|\|anchor="Contents"]]
	772
	773
	774
10.1	775	==== 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	776
79.1	777	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
	778	//always saved (PBD2)//
	779	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	780	DAQ channel:{{code language="none"}} FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
	781	desc : calibrated average ( ~~ 20 sec averaging time ) SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
8.1	782	units : microJ
	783
	784
79.1	785	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
	786	//always saved (PBD2)//
	787	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
	788	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
38.1	789	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	790	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	791
39.1	792	{{info title="GMD pulse resolved data structure"}}
79.1	793	For every pulse in the pulse train the information is saved:
8.1	794
38.1	795	1. Intensity per pulse (a.u. (more or less µJ ))
	796	1. Intensity per pulse (auxillary GMD) - not used
39.1	797	1. Position horizontal (mm, for a single pulse the position information may be very noisy - talk to your local contact)
	798	1. Position vertical (mm, for a single pulse the position information may be very noisy - talk to your local contact)
79.1	799	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	800	1. Position horizontal sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	801	1. Position vertical sigma (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
	802	1. Combined warning and error flags
8.1	803
38.1	804	The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
	805	file
8.1	806
38.1	807
	808	[[image:attach:image2021-2-9_10-51-6.png\|\|height="250"]]
8.1	809
79.1	810
39.1	811	{{/info}}
38.1	812
8.1	813
79.1	814	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	815
	816
9.1	817	Besides pulse energy the GMD also provides information about the beam position
8.1	818
9.1	819
79.1	820	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel horizontal{{/code}}
	821	//always saved (PBD2)//
	822	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	823	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
	824	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	825	units : mm
	826
9.1	827
79.1	828	{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
	829	//always saved (PBD2)//
	830	DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	831	DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
	832	desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
8.1	833	units : mm
	834
	835
79.1	836	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel x
40.1	837	always saved (PBD2)
	838	DOOCS prop : FLASH.FEL/XGM.BPM/FL2.HALL/X.TD
79.1	839	DAQ channel: FLASH.FEL/XGM.BPM/FL2.HALL:2
40.1	840	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 ...)
	841	units : mm
8.1	842
40.1	843	(x=horizontal, y = vertial)
9.1	844
	845	again the same parameter set is available for the HALL GMD
	846
8.1	847
9.1	848
15.1	849	==== Photon Diagnostics OPIS[[ >>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]](FLASH2) ====
10.1	850
19.1	851	for more info see: [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html\|\|shape="rect"]]
10.1	852
	853	(The OPIS hall is not installed yet ...)
	854
9.1	855
10.1	856	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean photon energy{{/code}}
79.1	857	// saved opon request (PBD2)//
	858	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
	859	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
10.1	860	desc : mean photon energy ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
	861	units : eV
	862
9.1	863
10.1	864	{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean wavelength{{/code}}
79.1	865	// saved opon request (PBD2)//
	866	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
10.1	867	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
52.1	868	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	869	units : nm
	870
9.1	871
10.1	872	{{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	873	// saved opon request (PBD2)//
	874	DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
10.1	875	DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
11.1	876	desc : The bunch number of the bunch used for the wavelength calculation
	877	units :
10.1	878
9.1	879
52.1	880	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	881
9.1	882
52.1	883	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	884
9.1	885
	886
12.1	887	==== Electron Beam properties (FLASH2) ====
	888
	889	===== bunch charge =====
	890
79.1	891	{{code language="none"}}/FL2/Electron Diagnostic/Bunch charge/after undulator{{/code}}
	892	//always saved (PBD2)//
12.1	893	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
79.1	894	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
	895	desc: electron bunch charge FLASH2 (average value for each bunchtrain).
12.1	896	units: nC
	897
9.1	898
52.1	899	===== electron bunch energy =====
9.1	900
52.1	901	{{code language="none"}}/FL2/Electron Diagnostic/Electron energy/energy of first bunch/behind undulators{{/code}}
79.1	902	//always saved (PBD2)//
52.1	903	DOOCS prop : {{code language="none"}}FLASH.DIAG/BEAM_ENERGY_MEASUREMENT/FL2XTDS/ENERGY.FLASH2{{/code}}
79.1	904	DAQ channel: (% style="color:#5e6c84" %)TTF2.DAQ/PBD2.BEAM.ENERGY.MEAS.ML.COPY/FL2XTDS.ENERGY.FLASH2{{code language="none"}}{{/code}}(%%)
	905	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	906
79.1	907	(% style="letter-spacing:0.0px" %)units: (% class="twikiNewLink" %)MeV
52.1	908
	909
83.1	910	(% style="color: rgb(94, 108, 132); font-weight: 600; letter-spacing: 0px;" %)
	911	===== undulator settings =====
52.1	912
79.1	913	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/set wavelength{{/code}}
	914	//always saved (PBD2)//
14.1	915	DOOCS prop : {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
79.1	916	DAQ channel: {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
14.1	917	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 % ...
	918	units: nm
12.1	919
79.1	920	{{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/SASE14 gap{{/code}}
	921	//always saved (PBD2)//
14.1	922	DOOCS prop : {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
79.1	923	DAQ channel: {{code language="none"}}FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP{{/code}}
15.1	924	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	925	units: mm
	926
15.1	927	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	928
12.1	929	=====
59.1	930	arrival time (BAM) =====
12.1	931
89.1	932	{{info title="BAM information: updates 2022 (status 2025)"}}
89.6	933	* 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	934	* The data format of the BAM has been completely altered in the 2022 shutdown
88.5	935	* 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	936	* 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	937	* There has been also a renaming (and relocation) of the BAMs.
	938	** acc: 4DBC3 → FL0.DBC2
	939	** FL1: 1SFELC → FL1.SFELC
88.5	940	** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
	941	* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome\|\|shape="rect"]]
89.10	942	* [[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	943	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	944	{{/info}}
	945
	946	{{expand title="Discontinued BAM format (used until end 2021)"}}
79.1	947	(% style="color:#000000" %)Discontinued BAM data recording
59.1	948
79.1	949	{{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
	950	//always saved (PBD2)//
	951	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	952	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/8FL2XTDS.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	953	desc: Electron bunch arrival time measured with the BAM after the FLASH2 undulator (pulse resolved data)
33.1	954	units: ps (bigger numbers indicate later arrivaltime of the electrons)
	955
79.1	956	FL1{{code language="none"}}//Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
	957	//always saved (PBD2)//
	958	DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
	959	DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
	960	desc: Electron bunch arrival time measured with the BAM in the accelerator (pulse resolved data)
14.1	961	units: ps (bigger numbers indicate later arrivaltime of the electrons)
12.1	962
80.1	963	{{info title="BAM hints"}}
79.1	964	* The BAM 4DBC3 measures the arrivaltime of FLASH 1 and FLASH2 in the same data set (thus also sorted in at /FL1/ !).
33.1	965	* 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
	966	** 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	967	* [[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	968	* [[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	969	* a recent [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
	970	{{/info}}
59.1	971	{{/expand}}
10.1	972
68.1	973
	974	====== BAM FL0.DBC2{{code language="none"}}{{/code}} ======
	975
79.1	976	(% 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	977
79.1	978	{{code language="none"}}
	979	/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/
	980	{{/code}}
73.1	981
68.1	982	//always saved (PBD)//
	983	FL0.DBC2
79.1	984	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE.SA2.COMP
	985	{{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	986	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	987
	988
79.1	989	(% 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	990
	991	{{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.DBC2.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}
79.1	992	//always saved (PBD)//
68.1	993	{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE{{/code}}
79.1	994	(% style="color:#000000" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel: {{/code}}(%%)
68.1	995	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	996	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
14.1	997
59.1	998
85.7	999	DBC2/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1000	//always saved (PBD)//
85.6	1001	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamError.2
	1002	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR.2
	1003	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
85.5	1004
85.7	1005	DBC2/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.5	1006	//always saved (PBD)//
85.7	1007	DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamStatus.//2//
	1008	DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.2
85.5	1009	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
	1010
	1011
	1012
68.1	1013	====== BAM FL2.SEED5{{code language="none"}}{{/code}} ======
	1014
79.1	1015	/FL2/Electron Diagnostic/BAM/SEED5(% style="color:#ff6600" %)/electron bunch arrival time (HDF5 name not yet implemented - see zraw)
68.1	1016
79.1	1017	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2.COMP/dGroup/{{/code}}
73.1	1018
68.1	1019	//always saved (PBD)//
79.1	1020	(% style="color:#172b4d" %)FL2.SEED5(%%)
	1021	(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL2.SEED5(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
74.1	1022	{{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	1023	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1024
	1025
	1026
79.1	1027	(% 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	1028
79.1	1029	(% style="color:#000000" %){{code language="none"}}/zraw/FLASH.SDIAG/BAM.DAQ/FL0.SEED5.ARRIVAL_TIME.ABSOLUTE.SA2/dGroup/{{/code}}(%%)
	1030	//always saved (PBD)//
	1031	(% style="color:#172b4d" %)FL2.SEED5{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE{{/code}}(%%)
	1032	~ (% 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	1033	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	1034	units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
	1035
	1036
85.8	1037	FL2.SEED5/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
	1038	//always saved (PBD)//
	1039	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamError.2
86.1	1040	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMERROR.2
85.8	1041	desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
59.1	1042
86.1	1043	FL2.SEED5/status (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
85.8	1044	//always saved (PBD)//
86.1	1045	DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamStatus.//2//
	1046	DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMSTATUS.2
85.8	1047	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
	1048
	1049
15.1	1050	[[Contents>>doc:\|\|anchor="Contents"]]
12.1	1051
	1052
16.1	1053	==== Timing information, rep rate etc. (FLASH2) ====
12.1	1054
15.1	1055	===== start time of FLASH2 =====
12.1	1056
79.1	1057	{{code language="none"}}/FL2/Timing/start time flash2{{/code}}
	1058	//always saved (PBD2)//
	1059	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
	1060	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/BUNCH_POSITION.2{{/code}}
17.1	1061	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	1062	units: µs
12.1	1063
	1064	===== bunch repetition rate =====
	1065
79.1	1066	{{code language="none"}}/FL2/Timing/repetition rate{{/code}}
	1067	//always saved (PBD2)//
	1068	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
	1069	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.2{{/code}}
15.1	1070	desc: repetition rate of the bunches / pulses within the burst (FLASH2)
12.1	1071	units: kHz
	1072
74.1	1073
	1074	===== set number of pulses =====
	1075
79.1	1076	(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL2/Timing/set number of bunches {{/code}}(%%)
	1077	//always saved (PBD2)//
74.1	1078	DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1079	DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.2 [4th number]{{/code}}
	1080	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
	1081	units:
	1082
12.1	1083	===== actual number of pulses =====
	1084
79.1	1085	{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
	1086	//always saved (PBD2)//
	1087	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1088	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH2{{/code}}
	1089	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	1090	units:
	1091
	1092	===== actual pulse pattern recorded after the undulator =====
	1093
79.1	1094	{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
	1095	//always saved (PBD2)//
	1096	DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1097	DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN.PULSEPATTERN{{/code}}
	1098	desc: The bunch pattern as function of time in a burst recorded by toroide diagnostic BEHIND the undulator. (FLASH2)
12.1	1099	units:
	1100
	1101	===== Train ID =====
	1102
79.1	1103	{{code language="none"}}/Timing/train ID{{/code}}
	1104	//always saved (PBD2)//
	1105	DOOCS prop : {{code language="none"}}none{{/code}}
	1106	DAQ channel: {{code language="none"}}none{{/code}}
	1107	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	1108	units:
	1109
	1110	===== Train time =====
	1111
79.1	1112	//always saved (PBD2)//
	1113	{{code language="none"}}/Timing/train time{{/code}}
	1114	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	1115	units: d h min s cs
	1116
79.1	1117	{{code language="none"}}
	1118	/Timing/time stamp
	1119	{{/code}}
16.1	1120
79.1	1121	//always saved (PBD2)//
	1122	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
	1123	second column: microseconds
12.1	1124	third column: Train ID of FLASH
	1125
	1126	[[Contents>>doc:\|\|anchor="Contents"]]
	1127
	1128
19.1	1129	==== User Data (FLASH2) ====
18.1	1130
19.1	1131	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.
	1132
	1133	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
	1134
	1135	The most common and permanently installed device used by experiment are our ADCs:
	1136
18.1	1137	===== GHz ADCs =====
	1138
89.7	1139	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	1140	//saved on DEMAND in the user DAQ//
19.1	1141	\\Up to now there are 4 channels available at FL24
	1142	\\\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD{{/code}}
	1143	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH01/TD{{/code}}
	1144	\\{{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	1145
	1146
79.1	1147	DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}}
18.1	1148	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	1149	DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00{{/code}}
18.1	1150
	1151	In addition there are also additional parameters saved like:
	1152
	1153	* {{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.
	1154	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
79.1	1155	* {{code language="none"}}error (ADC):{{/code}}0 indicates that there was no error
18.1	1156	* {{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.
	1157
	1158	===== MHz ADCs =====
	1159
79.1	1160	similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
	1161	{{code language="none"}}/FL2/Experiment/MTCA-EXP1/SIS8300 100MHz ADC/CH2/TD{{/code}}
	1162	DOOCS prop : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02/CH00.TD
19.1	1163	DAQ channel: : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02
18.1	1164
	1165	In addition there are also additional parameters saved like:
	1166
	1167	* {{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.
	1168	* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
	1169
	1170	[[Contents>>doc:\|\|anchor="Contents"]]
	1171
12.1	1172
	1173
85.1	1174	==== Pump Probe Laser (FLASH2) ====
21.1	1175
84.1	1176	{{info width="30%"}}
80.1	1177	list of saved parameters status May 2024 (up to now the parameters can be found in /zraw/ ... )
	1178
84.1	1179	[[attach:FSLADAQ-DAQParameterlistULGAN-2.pdf\|\|target="_blank"]]
80.1	1180
84.1	1181	[[attach:FSLADAQ-DAQParameterlistFL23-2.pdf\|\|target="_blank"]]
80.1	1182
84.1	1183	[[attach:FSLADAQ-DAQParameterlistFL24-2.pdf\|\|target="_blank"]]
	1184
	1185
	1186	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1187
85.1	1188
	1189	{{view-file att--filename="FSLADAQ-DAQParameterlistFL23-2.pdf"}}{{/view-file}}
	1190
	1191
	1192	{{view-file att--filename="FSLADAQ-DAQParameterlistFL24-2.pdf"}}{{/view-file}}
	1193
84.1	1194
80.1	1195	{{/info}}
	1196
85.1	1197	{{expand title="Laser parameters used until 2023"}}
79.1	1198	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL24//
21.1	1199
64.1	1200	User delay
	1201
	1202	Delay (set value):
	1203
79.1	1204	{{code language="none"}}
	1205	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1206	{{/code}}
64.1	1207
77.1	1208	Delay (readback):
64.1	1209
79.1	1210	{{code language="none"}}
	1211	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1212	{{/code}}
64.1	1213
79.1	1214	(% style="letter-spacing:0.0px" %)Delay (encoder readback):
77.1	1215
79.1	1216	{{code language="none"}}
	1217	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1218	{{/code}}
77.1	1219
64.1	1220	OXC. jitter:
	1221
79.1	1222	{{code language="none"}}
	1223	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1224	{{/code}}
64.1	1225
	1226
	1227
77.1	1228	FL24 Pulse resolved energy:
	1229
72.1	1230	OPCPA output (photodiode signal raw ADC trace 16000 samples):
64.1	1231
79.1	1232	{{code language="none"}}
	1233	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH23.TD/dGroup
	1234	{{/code}}
64.1	1235
79.1	1236	(% style="letter-spacing:0.0px" %)Upper breadboard Photodiode (THG) burst (photodiode signal raw ADC trace 16000 samples)::
64.1	1237
79.1	1238	{{code language="none"}}
	1239	/zraw/FLASH.LASER/FLASH2CPUULGAN1.ADCSCOPE/CH26.TD/dGroup
	1240	{{/code}}
64.1	1241
72.1	1242	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	1243
79.1	1244	{{code language="none"}}
	1245	/zraw/FLASH.LASER/MOD24.PES/FL24_userPD/dGroup
	1246	{{/code}}
64.1	1247
	1248
77.1	1249	FL24 LAM (Laser Arrivaltime Monitor) pulse resolved data:
64.1	1250
72.1	1251	Signal of Photodiode1 - for experts only... (analyzed signal. integration over pulses in the ADC trace. )
	1252
79.1	1253	{{code language="none"}}
	1254	/zraw/FLASH.LASER/MOD24.PES/LAM.PD1/dGroup
	1255	{{/code}}
72.1	1256
	1257	Signal of Photodiode2 - for experts only... (analyzed signal. integration over pulses in the ADC trace.)
	1258
79.1	1259	{{code language="none"}}
	1260	/zraw/FLASH.LASER/MOD24.PES/LAM.PD2/dGroup
	1261	{{/code}}
72.1	1262
	1263	"Actual" LAM Signal - to be calibrated ...... (analyzed signal. integration over pulses in the ADC trace.)
	1264
79.1	1265	{{code language="none"}}
	1266	/zraw/FLASH.LASER/MOD24.PES/LAM.PDBAL/dGroup
	1267	{{/code}}
72.1	1268
79.1	1269	The delay feedback(% style="letter-spacing:0.0px" %)
75.1	1270
79.1	1271	{{code language="none"}}
	1272	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1273	{{/code}}
64.1	1274
79.1	1275	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	1276
79.1	1277	{{code language="none"}}
	1278	FLASH.LASER/MOD24.PES/LAM.PDBAL/PULSEENERGY.MEAN
	1279	{{/code}}
75.1	1280
76.1	1281	LAM Delay line act:
75.1	1282
76.1	1283	{{code language="none"}}FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION.RD{{/code}}
	1284	LAM Delay line set:
75.1	1285
79.1	1286	{{code language="none"}}
	1287	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.POSITION_SET.WR
	1288	{{/code}}
75.1	1289
76.1	1290	LAM Delay line encoder:
75.1	1291
79.1	1292	{{code language="none"}}
	1293	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.1.ENCODER_POSITION.RD
	1294	{{/code}}
75.1	1295
76.1	1296	Temperature feedback:
75.1	1297
79.1	1298	{{code language="none"}}
	1299	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1300	{{/code}}
75.1	1301
	1302	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):
	1303
79.1	1304	{{code language="none"}}
	1305	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.INTS/INTEGER30
	1306	{{/code}}
75.1	1307
	1308
77.1	1309	FL24 Attenuator angle:
75.1	1310
79.1	1311	{{code language="none"}}
	1312	FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS
	1313	{{/code}}
64.1	1314
77.1	1315	FL24 Polarization control:
64.1	1316
79.1	1317	{{code language="none"}}
	1318	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL24/FPOS
	1319	{{/code}}
64.1	1320
	1321	SysDC delay error:
	1322
79.1	1323	{{code language="none"}}
	1324	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1325	{{/code}}
64.1	1326
	1327
	1328	Timing error: (these two need to be observed and both=0 means no error)
	1329
79.1	1330	{{code language="none"}}
	1331	FLASH/CPUULGAN1.TIMING/ULGAN1/dT_alarm
	1332	{{/code}}
64.1	1333
79.1	1334	{{code language="none"}}
	1335	FLASH/CPUULGAN1.TIMING/ULGAN1/dMPN
	1336	{{/code}}
64.1	1337
	1338	Laser error status:
	1339
	1340
77.1	1341	FL24 Virtual camera X and Y history, beam size: (use slow data)
64.1	1342
79.1	1343	{{code language="none"}}
	1344	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.X
	1345	{{/code}}
64.1	1346
79.1	1347	{{code language="none"}}
	1348	FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.Y
	1349	{{/code}}
64.1	1350
79.1	1351	{{code language="none"}}
	1352	FLASH.LASER/MOD24.CAM/UV.14.VF/ROI_SPECTRUM.X.SIG
	1353	{{/code}}
64.1	1354
	1355	{{expand title="Parameters used until 2021"}}
79.1	1356	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/attenuator position{{/code}}always saved (PBD2)//
	1357	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1358	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
	1359	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1360	units : deg.
	1361
12.1	1362
21.1	1363
79.1	1364	//{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/polarization position{{/code}}always saved (PBD2)//
	1365	DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1366	DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
	1367	desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
21.1	1368	units : deg.
	1369
12.1	1370
79.1	1371	{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay readback{{/code}}
	1372	//always saved (PBD2)//
	1373	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
21.1	1374	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
	1375	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)
	1376	units : ps )
	1377
12.1	1378
79.1	1379	{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS{{/code}}
	1380	//always saved (PBD)//
	1381	DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
	1382	DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
22.1	1383	desc: rms jitter of the fs-Oscillator
	1384	units: fs
65.1	1385	{{/expand}}
21.1	1386
77.1	1387
	1388	==== FL 26 Pump Probe Laser (FLASH2) ====
	1389
79.1	1390	These are the parameters that can be saved in the FL2 User DAQ for the FL2 PP laser// FOR BEAMLINE FL26//
77.1	1391
	1392
	1393	User delay
	1394
	1395	Delay (set value):
	1396
79.1	1397	{{code language="none"}}
	1398	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR
	1399	{{/code}}
77.1	1400
	1401	Delay (readback):
	1402
79.1	1403	{{code language="none"}}
	1404	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1405	{{/code}}
77.1	1406
78.1	1407	Delay (encoder readback):
77.1	1408
79.1	1409	{{code language="none"}}
	1410	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.ENCODER_POSITION.RD
	1411	{{/code}}
77.1	1412
	1413	OXC. jitter:
	1414
79.1	1415	{{code language="none"}}
	1416	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1417	{{/code}}
77.1	1418
	1419
	1420	Parameters for FL26
	1421
78.1	1422	(% class="wrapped" %)
77.1	1423	\|(((
	1424	FL2PPL FL26 REMI Attenuation: HWP motor current position
	1425	)))\|(((
	1426	FLASH.FEL/FLAPP2BEAMLINES/MOTOR11.FL26B/FPOS
	1427	)))
	1428	\|(((
	1429	FL2PPL FL26 REMI Polarization: linear polarization angle
	1430	)))\|(((
	1431	FLASH.FEL/FLAPP2BEAMLINES/MOTOR12.FL26B/FPOS
	1432	)))
	1433	\|(((
	1434	FL2PPL FL26 REMI Diagnostics: NIR spectrum
	1435	)))\|(((
	1436	FLASH.LASER/MOD26.SPECT/REMI/DAQ_CHANNEL
	1437	)))
	1438	\|(((
	1439	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - pulse energy mean
	1440	)))\|(((
	1441	FLASH.LASER/MOD26.PES/RE_OUT/PULSEENERGY.MEAN
	1442	)))
	1443	\|(((
	1444	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - intra burst pulse energy
	1445	)))\|(((
	1446	FLASH.LASER/MOD26.PES/RE_OUT/DAQ_CHANNEL
	1447	)))
	1448	\|(((
	1449	FL2PPL FL26 REMI Diagnostics: photo diode input MOD2.6 - raw adc
	1450	)))\|(((
	1451	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH04.TD
	1452	)))
	1453	\|(((
	1454	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - pulse energy mean
	1455	)))\|(((
	1456	FLASH.LASER/MOD26.PES/INC_BOX/PULSEENERGY.MEAN
	1457	)))
	1458	\|(((
	1459	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - intra burst pulse energy
	1460	)))\|(((
	1461	FLASH.LASER/MOD26.PES/INC_BOX/DAQ_CHANNEL
	1462	)))
	1463	\|(((
	1464	FL2PPL FL26 REMI Diagnostics: photo diode input REMI - raw adc
	1465	)))\|(((
	1466	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH05.TD
	1467	)))
	1468	\|(((
	1469	FL2PPL FL26 REMI In coupling: filter wheel 1 position
	1470	)))\|(((
	1471	FLASH/MOD26.FW1/FLASH2MOD26/pos
	1472	)))
	1473	\|(((
	1474	FL2PPL FL26 REMI In coupling: filter wheel 2 position
	1475	)))\|(((
	1476	FLASH/MOD26.FW2/FLASH2MOD26/pos
	1477	)))
	1478	\|(((
	1479	FL2PPL FL26 REMI: Energy meter REMI incoupling breadboard
	1480	)))\|(((
	1481	FLASH.LASER/MOD26.OPHIRE/REINC.54/DAQ_CHANNEL
	1482	)))
	1483	\|(((
	1484	FL2PPL FL26 REMI Incoupling: focusing lens position
	1485	)))\|(((
	1486	FLASH.FEL/FLAPP2BEAMLINES/MOTOR3.FL26B/FPOS
	1487	)))
	1488	\|(((
	1489	FL2PPL FL26 REMI Incoupling: nearfield
	1490	)))\|(((
	1491	FLASH.LASER/MOD26.CAM/REINC.21.NF/DAQ_CHANNEL
	1492	)))
	1493	\|(((
	1494	FL2PPL FL26 REMI Incoupling: focus
	1495	)))\|(((
	1496	FLASH.LASER/MOD26.CAM/REINC.22.FF/DAQ_CHANNEL
	1497	)))
	1498	\|(((
	1499	FL2PPL FL26 REMI Drift: relative arrival time intra burst LAM balanced - calb. in the PES
	1500	)))\|(((
	1501	FLASH.LASER/MOD26.PES/LAM_DIFF/DAQ_CHANNEL
	1502	)))
	1503	\|(((
	1504	FL2PPL FL26 REMI Drift: forward signal (PD1) raw
	1505	)))\|(((
	1506	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH00.TD
	1507	)))
	1508	\|(((
	1509	FL2PPL FL26 REMI Drift: backward signal (PD2) raw
	1510	)))\|(((
	1511	FLASH.LASER/TAMC532DMA/ULGAN1_S5/CH01.TD
	1512	)))
	1513	\|(((
	1514	FL2PPL FL26 REMI Drift: mean relative burst arrival time - avarage of the calib value
	1515	)))\|(((
	1516	FLASH.LASER/MOD26.PES/LAM_DIFF/PULSEENERGY.MEAN
	1517	)))
	1518	\|(((
	1519	FL2PPL FL26 REMI Drift: delay line position (ODL of the LAM REMI)
	1520	)))\|(((
	1521	FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL26B/FPOS
	1522	)))
	1523	\|(((
	1524	FL2PPL FL26 Laser Hutch: delay line position (ODL of the osc. Sync / user delay)
	1525	)))\|(((
	1526	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD
	1527	)))
	1528	\|(((
	1529	FL2PPL FL26 REMI Drift: delay line encoder position (ODL REMI raw value)
	1530	)))\|(((
	1531	FLASH.SYNC/LAM.EXP.ODL/F2.MOD.AMC12/FMC0.MD22.0.ENCODER_POSITION.RD
	1532	)))
	1533	\|(((
	1534	Jiiter between oscillator and MLO (inloop jitter osc. Sync)
	1535	)))\|(((
	1536	FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD
	1537	)))
	1538	\|(((
	1539	Temperature controlled fiber (PWM signal to the temperature controlled fiber delay sysdc)
	1540	)))\|(((
	1541	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE23
	1542	)))
	1543	\|(((
	1544	Temperature controlled fiber (Temp of the fiber delay sysdc)
	1545	)))\|(((
	1546	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE24
	1547	)))
	1548	\|(((
	1549	Sydc feedback data if LAM is not activated (sysdc delay)
	1550	)))\|(((
	1551	FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26
	1552	)))
85.1	1553	{{/expand}}
21.1	1554
	1555
85.1	1556
23.1	1557	=== "/uncategorized/" ===
	1558
	1559	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
	1560
	1561
1.1	1562	=== HDF5 structure revisions ===
	1563
	1564	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:
	1565
	1566
	1567	* All FLASH1 related HDF groups moved to group "/FL1", i.e. a new prefix "/FL1" is added to their HDF path.
	1568	* 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".
	1569	* A number of inconsistent names have been streamlined. The relevant changes are listed in the following table.
	1570
45.1	1571	(% class="wrapped" %)
1.1	1572	\|=(((
4.1	1573	earlier HDF path (vers. 0.2)
1.1	1574	)))\|=(((
4.1	1575	is now (vers. 0.3)
1.1	1576	)))
	1577	\|(((
	1578	/Photon Diagnostic/GMD/Beam position/position BDA x
	1579	)))\|(((
	1580	/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal
	1581	)))
	1582	\|(((
	1583	/Photon Diagnostic/GMD/Beam position/position BDA y
	1584	)))\|(((
	1585	/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical
	1586	)))
	1587	\|(((
	1588	/Photon Diagnostic/GMD/Beam position/position tunnel x
	1589	)))\|(((
	1590	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal
	1591	)))
	1592	\|(((
	1593	/Photon Diagnostic/GMD/Beam position/position tunnel y
	1594	)))\|(((
	1595	/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical
	1596	)))
	1597	\|(((
	1598	/Experiment/Pump probe laser/BPM/position x
	1599	)))\|(((
	1600	/FL1/Experiment/Pump probe laser/BPM/position horizontal
	1601	)))
	1602	\|(((
	1603	/Experiment/Pump probe laser/BPM/position y
	1604	)))\|(((
	1605	/FL1/Experiment/Pump probe laser/BPM/position vertical
	1606	)))
	1607	\|(((
	1608	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall horizontal
	1609	)))\|(((
	1610	/FL2/Photon Diagnostic/GMD/Average beam position/position hall horizontal
	1611	)))
	1612	\|(((
	1613	/FL2/Photon Diagnostic/GMD/Beam position/Average/position hall vertical
	1614	)))\|(((
	1615	/FL2/Photon Diagnostic/GMD/Average beam position/position hall vertical
	1616	)))
	1617	\|(((
	1618	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel horizontal
	1619	)))\|(((
	1620	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel horizontal
	1621	)))
	1622	\|(((
	1623	/FL2/Photon Diagnostic/GMD/Beam position/Average/position tunnel vertical
	1624	)))\|(((
	1625	/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel vertical
	1626	)))
	1627	\|(((
	1628	/FL2/Photon Diagnostic/GMD/Average energy/hall
	1629	)))\|(((
	1630	/FL2/Photon Diagnostic/GMD/Average energy/energy hall
	1631	)))
	1632	\|(((
	1633	/FL2/Photon Diagnostic/GMD/Average energy/hall (raw)
	1634	)))\|(((
	1635	/FL2/Photon Diagnostic/GMD/Average energy/energy hall (raw)
	1636	)))
	1637	\|(((
	1638	/FL2/Photon Diagnostic/GMD/Average energy/tunnel
	1639	)))\|(((
	1640	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel
	1641	)))
	1642	\|(((
	1643	/FL2/Photon Diagnostic/GMD/Average energy/tunnel (raw)
	1644	)))\|(((
	1645	/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel (raw)
	1646	)))
	1647	\|(((
	1648	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall x
	1649	)))\|(((
	1650	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall horizontal
	1651	)))
	1652	\|(((
	1653	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/hall y
	1654	)))\|(((
	1655	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall vertical
	1656	)))
	1657	\|(((
	1658	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel x
	1659	)))\|(((
	1660	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel horizontal
	1661	)))
	1662	\|(((
	1663	/FL2/Photon Diagnostic/GMD/Beam position/Pulse resolved/tunnel y
	1664	)))\|(((
	1665	/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel vertical
	1666	)))
	1667
4.1	1668	[[Contents>>doc:\|\|anchor="Contents"]]
1.1	1669
79.1	1670
44.1	1671	{{/layout-cell}}
	1672	{{/layout-section}}
	1673	{{/layout}}

Wiki source code of The FLASH HDF5 structure

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