Skip to Content

Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/09/10 11:43
From version 93.5
edited by sndueste
on 2025/05/19 16:48
Change comment: There is no comment for this version
To version 96.1
edited by sndueste
on 2025/05/19 17:06
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -122,8 +122,10 @@
122 122  
123 123  In the Shutdown 2024 / 2025  the complete photon diagnostic and experiment control was renewed and thus the Doocs names and also some HDF5 names had to be changed. The new naming will be documented here as soon as the systems are online again.
124 124  
125 +The previously used naming scheme (2024 and before) can be found here:
125 125  
126 -==== Beamline info (FLASH1) ====
127 +{{expand expanded="false" title="FLASH1 Naming scheme used until 2024"}}
128 +==== (% id="cke_bm_8853497S" style="display:none" %) (%%)Beamline info (FLASH1) ====
127 127  
128 128  {{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
129 129  //always saved (PBD)//
... ... @@ -245,8 +245,8 @@
245 245  
246 246  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
247 247  //always saved (PBD)//
248 -(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
249 -(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
250 +(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
251 +(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
250 250  
251 251  desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
252 252  units : microJ
... ... @@ -255,8 +255,8 @@
255 255  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
256 256  //always saved (PBD)//
257 257  
258 -(% style="color:#000000" %)DOOCS prop : 
259 -{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
260 +(% style="color:#000000" %)DOOCS prop : (%%)
261 +(% style="color:#000000" %){{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
260 260  
261 261  desc : Energy per pulse measured in the Tunnel.  In addition measurement errors and beam position are included for EACH pulse in the pulse train  !! (see below)
262 262  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
... ... @@ -276,8 +276,7 @@
276 276  The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this 
277 277  file
278 278  
279 -
280 -[[image:attach:image2021-2-9_10-51-6.png||height="250"]]
281 + [[image:image2021-2-9_10-51-6.png]]
281 281  
282 282  
283 283  {{/info}}
... ... @@ -469,8 +469,8 @@
469 469  
470 470  //always saved (PBD)//
471 471  (% style="color:#172b4d" %)**FL1.SFELC**(%%)
472 -(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
473 -{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).
473 +(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP(%%)
474 +(% style="color:#000000" %){{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).
474 474  units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
475 475  
476 476  
... ... @@ -548,20 +548,23 @@
548 548  [[Contents>>doc:||anchor="Contents"]]
549 549  
550 550  
552 +==== ====
553 +
554 +
551 551  ==== Timing information, rep rate etc.  (FLASH1) ====
552 552  
553 553  ===== bunch repetition rate =====
554 554  
555 -{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
559 +{{code language="none"}}/Timing/repetition rate{{/code}}
556 556  //always saved (PBD)//
557 557  DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
558 -DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
562 +DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
559 559  desc: repetition rate of the bunches / pulses within the burst (FLASH1)
560 560  units: kHz
561 561  
562 562  ===== set number of pulses =====
563 563  
564 -(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL1/Timing/set number of bunches {{/code}}(%%)
568 +(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/Timing/set number of bunches {{/code}}(%%)
565 565  //always saved (PBD)//
566 566  DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
567 567  DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
... ... @@ -620,8 +620,8 @@
620 620  {{/expand}}
621 621  
622 622  
623 -[[Contents>>doc:||anchor="Contents"]]
624 624  
628 +
625 625  ==== Pump Probe Laser (FLASH1) ====
626 626  
627 627  **PIGLET (PG laser)**
... ... @@ -737,10 +737,9 @@
737 737  * {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
738 738  
739 739  [[Contents>>doc:||anchor="Contents"]]
744 +{{/expand}}
740 740  
741 741  
742 -
743 -
744 744  === FLASH2 ===
745 745  
746 746  There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs