Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 54.1
edited by sndueste
on 2022/01/14 09:44
Change comment: There is no comment for this version
To version 59.1
edited by sndueste
on 2022/09/08 08:48
Change comment: There is no comment for this version

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... ... @@ -206,9 +206,7 @@
206 206  
207 207  ==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]]) ====
208 208  
209 -\\
210 -
211 -{{expand title="GMD format untill 2021"}}
209 +{{expand title="Discontinued GMD format (used until 2021)"}}
212 212  (% style="color: rgb(0,0,0);" %)**Discontinued GMD data recording / evaluation  (VME + PhotonFlux ML server)**
213 213  
214 214  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
... ... @@ -260,10 +260,8 @@
260 260  
261 261  \\
262 262  
263 -\\
261 +(% style="letter-spacing: 0px; color: rgb(0, 0, 0)" %)**NEW (since 2021) GMD data recording / evaluation  (same format as FLASH2 and XFEL)**
264 264  
265 -(% style="color: rgb(0,0,0);" %)**NEW (2021) GMD data recording / evaluation  (MTCA, analog to FLASH2 and XFEL)**
266 -
267 267  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
268 268  //always saved (PBD)//
269 269  (% style="color: rgb(0,0,0);" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
... ... @@ -420,8 +420,27 @@
420 420  units: nC
421 421  
422 422  =====
423 -arrival time =====
419 +arrival time (BAM) =====
424 424  
421 +{{info title="BAM information: updates 2022"}}
422 +* see: [[Info collection about the BAMs and how to use the BAM data>>url:https://confluence.desy.de/display/FLASHUSER/Info+collection+for+the+BAM||shape="rect"]]
423 +* The data format of the BAM has been completely altered in the 2022 shutdown
424 +* 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 ...
425 +* THIS is now different. there are new parameters for pulses that go to FL1 and to FL2 (in detail: first time slot of the accelerator and second)
426 +* There has been also a renaming  (and relocation) of the BAMs.
427 +** acc:  4DBC3 → FL0.DBC2
428 +** FL1: 1SFELC →  FL1.SFELC
429 +** FL2: FL2XTDS → (% style="color: rgb(23,43,77);" %)FL2.SEED5
430 +* for more Info: [[LINK to detailed infos from MSK>>url:https://confluence.desy.de/display/SDiagPublic/BAM+Data+Structure||shape="rect"]]
431 +* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments>>doc:FLASHUSER.Additional helpful things.FLASH beamlines and instruments references.WebHome]]
432 +* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
433 +{{/info}}
434 +
435 +\\
436 +
437 +{{expand title="Discontinued BAM format (used until end 2021)"}}
438 +(% style="color: rgb(0,0,0);" %)**Discontinued BAM data recording **
439 +
425 425  {{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
426 426  //always saved (PBD)//
427 427  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
... ... @@ -429,22 +429,68 @@
429 429  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).
430 430  units: ps (bigger numbers indicate later arrivaltime of the electrons)
431 431  
447 +\\
448 +
432 432  {{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
433 433  //always saved (PBD)//
434 434  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
435 435  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
436 436  desc: Electron bunch arrival time measured with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.
437 -units: ps (bigger numbers indicate later arrivaltime of the electrons)
454 +units: ps (bigger numbers indicate later arrival time of the electrons)
455 +{{/expand}}
438 438  
439 -{{info title="BAM hints"}}
440 -* besides the arrivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved.In case of doubt ask your local contact
441 -* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments >>doc:FLASHUSER.Additional helpful things.FLASH beamlines and instruments references.WebHome]]
442 -* [[LINK to detailed infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]]
443 -* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
444 -{{/info}}
457 +(% style="color: rgb(255,102,0);" %)DBC2/electron bunch arrival time{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
458 +//always saved (PBD)//
459 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.absolute.SA1
460 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.absolute.SA1 (%%)
461 +desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2) - It shows a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).  The SA1 indicates the data is recorded for the first time slot at FLASh, typically used for FLASH1
462 +units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
445 445  
446 446  \\
447 447  
466 +(% style="color: rgb(255,102,0);" %)DBC2/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
467 +//always saved (PBD)//
468 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
469 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR(%%)
470 +desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
471 +
472 +\\
473 +
474 +(% style="color: rgb(255,102,0);" %)DBC2/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
475 +//always saved (PBD)//
476 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//1//(%%)
477 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS(%%)
478 +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
479 +
480 +\\
481 +
482 +(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/electron bunch arrival time{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
483 +//always saved (PBD)//
484 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIME.absolute.SA1
485 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL1.SFELC(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.absolute.SA1 (%%)
486 +desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.  The SA1 indicates the data is recorded for the first time slot at FLASh, typically used for FLASH1
487 +units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
488 +
489 +\\
490 +
491 +(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
492 +//always saved (PBD)//
493 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
494 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL1.SFELC(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.BAMERROR(%%)
495 +desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
496 +
497 +\\
498 +
499 +(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
500 +//always saved (PBD)//
501 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//1//(%%)
502 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL1.SFELC(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.BAMSTATUS(%%)
503 +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
504 +
505 +\\
506 +
507 +\\
508 +
448 448  ===== electron beam profile =====
449 449  
450 450  {{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
... ... @@ -898,8 +898,27 @@
898 898  The gap values are saved for all 12 undulators (Nr 3 to 14). Undulator 14 is the one closest to the experimental hall.
899 899  
900 900  =====
901 -arrival time =====
962 +arrival time (BAM) =====
902 902  
964 +{{info title="BAM information: updates 2022"}}
965 +* see: [[Info collection about the BAMs and how to use the BAM data>>url:https://confluence.desy.de/display/FLASHUSER/Info+collection+for+the+BAM||shape="rect"]]
966 +* The data format of the BAM has been completely altered in the 2022 shutdown
967 +* 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 ...
968 +* THIS is now different. there are new parameters for pulses that go to FL1 and to FL2 (in detail: first time slot of the accelerator and second)
969 +* There has been also a renaming  (and relocation) of the BAMs.
970 +** acc:  4DBC3 → FL0.DBC2
971 +** FL1: 1SFELC →  FL1.SFELC
972 +** FL2: 8FL2XTDS → (% style="color: rgb(23,43,77);" %)FL2.SEED5
973 +* for more Info: [[LINK to detailed infos from MSK>>url:https://confluence.desy.de/display/SDiagPublic/BAM+Data+Structure||shape="rect"]]
974 +* [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments>>doc:FLASHUSER.Additional helpful things.FLASH beamlines and instruments references.WebHome]]
975 +* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
976 +{{/info}}
977 +
978 +\\
979 +
980 +{{expand title="Discontinued BAM format (used until end 2021)"}}
981 +(% style="color: rgb(0,0,0);" %)**Discontinued BAM data recording **
982 +
903 903  {{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
904 904  //always saved (PBD2)//
905 905  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
... ... @@ -924,8 +924,60 @@
924 924  * [[LINK to detailed infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]]
925 925  * a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
926 926  {{/info}}
1007 +{{/expand}}
927 927  
1009 +(% style="color: rgb(255,102,0);" %)DBC2/electron bunch arrival time{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1010 +//always saved (PBD)//
1011 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.absolute.SA2
1012 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.absolute.SA2(%%)
1013 +desc: Electron bunch arrival time measured with the BAM inside the accelerator (after bunch compressor 2) - It shows a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).  The SA2 indicates the data is recorded for the second time slot at FLASH, typically used for FLASH2
1014 +units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
928 928  
1016 +\\
1017 +
1018 +(% style="color: rgb(255,102,0);" %)DBC2/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1019 +//always saved (PBD)//
1020 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
1021 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR(%%)
1022 +desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1023 +
1024 +\\
1025 +
1026 +(% style="color: rgb(255,102,0);" %)DBC2/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1027 +//always saved (PBD)//
1028 +DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//2//(%%)
1029 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS(%%)
1030 +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
1031 +
1032 +\\
1033 +
1034 +(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/electron bunch arrival time{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1035 +//always saved (PBD)//
1036 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL2.SEED5(%%)/ARRIVAL_TIME.absolute.SA2
1037 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL2.SEED5(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.absolute.SA2(%%)
1038 +desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.  The SA2 indicates the data is recorded for the first time slot at FLASH, typically used for FLASH2
1039 +units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1040 +
1041 +\\
1042 +
1043 +(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1044 +//always saved (PBD)//
1045 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL2.SEED5(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
1046 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL2.SEED5(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.BAMERROR(%%)
1047 +desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1048 +
1049 +\\
1050 +
1051 +(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/error{{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
1052 +//always saved (PBD)//
1053 +DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL2.SEED5(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//2//(%%)
1054 +DAQ channel: (% style="color: rgb(255,102,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(255, 102, 0); color: rgb(23, 43, 77)" %)FL2.SEED5(% style="color: rgb(255,102,0);" %)/ARRIVAL_TIME.BAMSTATUS(%%)
1055 +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
1056 +
1057 +\\
1058 +
1059 +\\
1060 +
929 929  [[Contents>>doc:||anchor="Contents"]]
930 930  
931 931  \\