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Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/09/10 11:43
From version 93.4
edited by sndueste
on 2025/05/19 16:47
Change comment: There is no comment for this version
To version 95.2
edited by sndueste
on 2025/05/19 16:56
Change comment: There is no comment for this version

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... ... @@ -120,10 +120,13 @@
120 120  === FLASH1 ===
121 121  
122 122  
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 
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 -==== Beamline info (FLASH1) ====
125 +The previously used naming scheme (2024 and before) can be found here:
126 126  
127 +{{expand expanded="false" title="FLASH1 Naming scheme used until 2024"}}
128 +==== (% id="cke_bm_8853497S" style="display:none" %) (%%)Beamline info (FLASH1) ====
129 +
127 127  {{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
128 128  //always saved (PBD)//
129 129  DOOCS prop : {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
... ... @@ -244,8 +244,8 @@
244 244  
245 245  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
246 246  //always saved (PBD)//
247 -(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
248 -(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
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}}
249 249  
250 250  desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
251 251  units : microJ
... ... @@ -254,8 +254,8 @@
254 254  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
255 255  //always saved (PBD)//
256 256  
257 -(% style="color:#000000" %)DOOCS prop : 
258 -{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
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}}
259 259  
260 260  desc : Energy per pulse measured in the Tunnel.  In addition measurement errors and beam position are included for EACH pulse in the pulse train  !! (see below)
261 261  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
... ... @@ -275,8 +275,7 @@
275 275  The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this 
276 276  file
277 277  
278 -
279 -[[image:attach:image2021-2-9_10-51-6.png||height="250"]]
281 + [[image:image2021-2-9_10-51-6.png]]
280 280  
281 281  
282 282  {{/info}}
... ... @@ -468,8 +468,8 @@
468 468  
469 469  //always saved (PBD)//
470 470  (% style="color:#172b4d" %)**FL1.SFELC**(%%)
471 -(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
472 -{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).
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).
473 473  units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
474 474  
475 475  
... ... @@ -545,8 +545,11 @@
545 545  units: nm
546 546  
547 547  [[Contents>>doc:||anchor="Contents"]]
550 +{{/expand}}
548 548  
552 +==== ====
549 549  
554 +
550 550  ==== Timing information, rep rate etc.  (FLASH1) ====
551 551  
552 552  ===== bunch repetition rate =====