Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 68.1
edited by sndueste
on 2023/01/26 15:17
Change comment: There is no comment for this version
To version 47.1
edited by sndueste
on 2021/02/10 10:14
Change comment: There is no comment for this version

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... ... @@ -19,12 +19,6 @@
19 19  {{code language="none"}}> module load xray{{/code}}
20 20  {{code language="none"}}> hdfview{{/code}}
21 21  
22 -or you can use
23 -
24 -{{code language="none"}}> silx view{{/code}}
25 -
26 -\\
27 -
28 28  [[Contents>>doc:||anchor="Contents"]]
29 29  
30 30  == The FLASH HDF5 format ==
... ... @@ -103,12 +103,12 @@
103 103  
104 104  {{layout-section ac:type="single"}}
105 105  {{layout-cell}}
106 -{{info}}
100 +{{info title="Sample scripts in python"}}
107 107  === Reference implementation (Python) ===
108 108  
109 -(imperative)  (% class="Object" %)[[https:~~/~~/gitlab.desy.de/christopher.passow/flash-daq-hdf>>url:https://gitlab.desy.de/christopher.passow/flash-daq-hdf||shape="rect"]]
103 +[[~[~[image:attach:binder_badge.png~|~|thumbnail="true" width="120"~]~]>>url:https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.desy.de%2Fchristopher.passow%2Fflash-daq-hdf/master||shape="rect"]]
110 110  
111 -(% class="Object" %)(object oriented) [[https:~~/~~/gitlab.desy.de/christopher.passow/fdh-builder>>url:https://gitlab.desy.de/christopher.passow/fdh-builder.git||shape="rect"]]
105 +(% class="Object" %)[[https:~~/~~/gitlab.desy.de/christopher.passow/flash-daq-hdf>>url:https://gitlab.desy.de/christopher.passow/flash-daq-hdf||shape="rect"]]
112 112  {{/info}}
113 113  {{/layout-cell}}
114 114  {{/layout-section}}
... ... @@ -115,8 +115,6 @@
115 115  
116 116  {{layout-section ac:type="single"}}
117 117  {{layout-cell}}
118 -
119 -
120 120  == Complete list of recordable parameters ==
121 121  
122 122  The complete list for the relation between DOOCS names and HDF5 names for the recordable parameters can be found in [[DESY's Repository~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://stash.desy.de/projects/CS/repos/pah/browse/src/camp/data/channel2HdfName.dat||shape="rect"]].
... ... @@ -208,7 +208,8 @@
208 208  
209 209  ==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]]) ====
210 210  
211 -{{expand title="Discontinued GMD format (used until 2021)"}}
203 +\\
204 +
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}}
... ... @@ -256,11 +256,10 @@
256 256  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
257 257  desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
258 258  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
259 -{{/expand}}
260 260  
261 261  \\
262 262  
263 -(% style="letter-spacing: 0px; color: rgb(0, 0, 0)" %)**NEW (since 2021) GMD data recording / evaluation  (same format as FLASH2 and XFEL)**
255 +(% style="color: rgb(0,0,0);" %)**NEW (2021) GMD data recording / evaluation  (MTCA, analog to FLASH2 and XFEL)**
264 264  
265 265  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
266 266  //always saved (PBD)//
... ... @@ -418,27 +418,8 @@
418 418  units: nC
419 419  
420 420  =====
421 -arrival time (BAM) =====
413 +arrival time =====
422 422  
423 -{{info title="BAM information: updates 2022"}}
424 -* 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"]]
425 -* The data format of the BAM has been completely altered in the 2022 shutdown
426 -* 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 ...
427 -* 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)
428 -* There has been also a renaming  (and relocation) of the BAMs.
429 -** acc:  4DBC3 → FL0.DBC2
430 -** FL1: 1SFELC →  FL1.SFELC
431 -** FL2: FL2XTDS → (% style="color: rgb(23,43,77);" %)FL2.SEED5
432 -* for more Info: [[LINK to detailed infos from MSK>>url:https://confluence.desy.de/display/SDiagPublic/BAM+Data+Structure||shape="rect"]]
433 -* [[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]]
434 -* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
435 -{{/info}}
436 -
437 -\\
438 -
439 -{{expand title="Discontinued BAM format (used until end 2021)"}}
440 -(% style="color: rgb(0,0,0);" %)**Discontinued BAM data recording **
441 -
442 442  {{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
443 443  //always saved (PBD)//
444 444  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
... ... @@ -446,94 +446,22 @@
446 446  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).
447 447  units: ps (bigger numbers indicate later arrivaltime of the electrons)
448 448  
449 -\\
450 -
451 451  {{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
452 452  //always saved (PBD)//
453 453  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
454 454  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
455 455  desc: Electron bunch arrival time measured with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.
456 -units: ps (bigger numbers indicate later arrival time of the electrons)
457 -{{/expand}}
427 +units: ps (bigger numbers indicate later arrivaltime of the electrons)
458 458  
459 -====== **BAM FL0.DBC2**{{code language="none"}}{{/code}} ======
429 +{{info title="BAM hints"}}
430 +* besides the arrivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved.In case of doubt ask your local contact
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 +* [[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"]]
433 +* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
434 +{{/info}}
460 460  
461 -(% style="color: rgb(255,102,0);" %)**DBC2**/electron bunch arrival time  (HDF5 name not yet implemented - see zraw)(%%)
462 -//always saved (PBD)//
463 -**FL0.DBC2**
464 -(% style="color: rgb(0,0,0);" %)channel: FLASH.SDIAG/BAM/**FL0.DBC2**/ARRIVAL_TIME.ABSOLUTE.SA1.COMP (%%)
465 -{{code language="none"}}/FL1/Electron Diagnostic/BAM/ DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ 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 should be only 0). These are the same values as the "raw" data below - just "cleaned". The values{{/code}}(% style="font-family: SFMono-Medium , ~"SF Mono~" , ~"Segoe UI Mono~" , ~"Roboto Mono~" , ~"Ubuntu Mono~" , Menlo , Courier , monospace;letter-spacing: 0.0px;" %) show a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).
466 -
467 -{{code language="none"}}units: fs (bigger numbers (typically) indicate later arrival times of the electrons).{{/code}}
468 -
469 469  \\
470 470  
471 -(% style="color: rgb(255,102,0);" %)DBC2/electron bunch arrival time (raw)  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
472 -//always saved (PBD)//
473 -DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE
474 -DAQ channel: (% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE (%%)
475 -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). 
476 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
477 -
478 -\\
479 -
480 -(% style="color: rgb(255,102,0);" %)DBC2/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
481 -//always saved (PBD)//
482 -DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
483 -DAQ channel: (% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR(%%)
484 -desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
485 -
486 -\\
487 -
488 -(% style="color: rgb(255,102,0);" %)DBC2/status  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
489 -//always saved (PBD)//
490 -DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//1//(%%)
491 -DAQ channel(% style="color: rgb(0,0,0);" %): FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.1(%%)
492 -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
493 -
494 -\\
495 -
496 -====== **BAM FL1.SFELC**{{code language="none"}}{{/code}} ======
497 -
498 -(% 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: rgb(255,102,0);" %)/electron bunch arrival time  (HDF5 name not yet implemented - see zraw)
499 -
500 -//always saved (PBD)//
501 -(% style="color: rgb(23,43,77);" %)**FL1.SFELC**(%%)
502 -(% style="color: rgb(0,0,0);" %)channel: FLASH.SDIAG/BAM/(% style="color: rgb(0, 0, 0); color: rgb(23, 43, 77)" %)FL1.SFELC(% style="color: rgb(0,0,0);" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
503 -{{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 should be only 0). 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).
504 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
505 -
506 -\\
507 -
508 -\\
509 -
510 -(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
511 -//always saved (PBD)//
512 -DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIME.ABSOLUTE
513 -DAQ channel:** **(% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.ABSOLUTE (%%)
514 -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). 
515 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
516 -
517 -\\
518 -
519 -(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
520 -//always saved (PBD)//
521 -DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E.bamError(%%)
522 -DAQ channel(% style="color: rgb(0,0,0);" %): FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMERROR(%%)
523 -desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
524 -
525 -\\
526 -
527 -(% style="color: rgb(23,43,77);" %)SFELC(% style="color: rgb(255,102,0);" %)/status  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL1/Electron Diagnostic/BAM/{{/code}}(%%)
528 -//always saved (PBD)//
529 -DOOCS prop : FLASH.SDIAG/BAM/(% style="color: rgb(23,43,77);" %)FL1.SFELC(%%)/ARRIVAL_TIM(% style="color: rgb(0,0,0);" %)E..bamStatus.//1//(%%)
530 -DAQ chann(% style="color: rgb(0,0,0);" %)el: FLASH.SDIAG/BAM/FL1.SFELC/ARRIVAL_TIME.BAMSTATUS.1(%%)
531 -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
532 -
533 -\\
534 -
535 -\\
536 -
537 537  ===== electron beam profile =====
538 538  
539 539  {{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
... ... @@ -627,7 +627,7 @@
627 627  //always saved (PBD)//
628 628  DOOCS prop : {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP/CHARGE.TD{{/code}}
629 629  DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
630 -desc: The bunch pattern as function of time in a burst recorded by toroid diagnostic BEHIND the undulator. (FLASH1)
531 +desc: The bunch pattern as function of time in a burst recorded by toroide diagnostic BEHIND the undulator. (FLASH1)
631 631  units:
632 632  \\
633 633  
... ... @@ -660,22 +660,6 @@
660 660  
661 661  ==== Pump Probe Laser (FLASH1) ====
662 662  
663 -**PIGLET (PG laser)**
664 -
665 -**{{code language="none"}}/FL1/Experiment/Pump probe laser{{/code}}**
666 -
667 -FLASH.LASER/FLACPUPGLASER1.PULSEENERGY/DIAG1out/PULSEENERGY.MEAN 
668 -FLASH.LASER/FLACPUPGLASER1.PULSEENERGY/PG1_incoupl/PULSEENERGY.MEAN 
669 -FLASH.LASER/FLACPUPGLASER1.PULSEENERGY/PG2_incoupl/PULSEENERGY.MEAN 
670 -
671 -
672 -FLASH.SYNC/LASER.LOCK.EXP/FLASH1.MOD1.PG.OSC/FMC0.MD22.1.ENCODER_POSITION.RD 
673 -FLASH.SYNC/LASER.LOCK.EXP/FLASH1.MOD1.PG.OSC/FMC0.MD22.1.ENCODER_POSITION_RAW.RD 
674 -FLASH.SYNC/LASER.LOCK.EXP/FLASH1.MOD1.PG.OSC/FMC0.MD22.1.POSITION.RD
675 -
676 -\\
677 -
678 -{{expand title="Parameters used until 2021"}}
679 679  {{code language="none"}}/FL1/Experiment/Pump probe laser/laser attenuation{{/code}}
680 680  
681 681  //always saved (PBD)//
... ... @@ -716,15 +716,10 @@
716 716  //always saved (PBD)//
717 717  DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
718 718  DOOCS prop : {{code language="none"}}TTF2.FEL/TDOLFEL/TDOLFEL/STREAK.CAM.TIME{{/code}}
719 -desc: delay time between the optical laser and the FEL units: ps
720 -{{/expand}}
604 +desc: delaytime between the optical laser and the FEL units: ps
721 721  
722 722  \\
723 723  
724 -\\
725 -
726 -\\
727 -
728 728  [[Contents>>doc:||anchor="Contents"]]
729 729  
730 730  \\
... ... @@ -731,7 +731,7 @@
731 731  
732 732  ==== User Data (FLASH1) ====
733 733  
734 -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.
614 +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.
735 735  
736 736  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
737 737  
... ... @@ -759,13 +759,13 @@
759 759  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
760 760  
761 761  DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
762 -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.
642 +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.
763 763  DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
764 764  
765 765  In addition there are also additional parameters saved like:
766 766  
767 767  * {{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.
768 -* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
648 +* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
769 769  * {{code language="none"}}error (ADC):{{/code}} 0 indicates that there was no error
770 770  
771 771  ===== MHz ADCs =====
... ... @@ -778,7 +778,7 @@
778 778  In addition there are also additional parameters saved like:
779 779  
780 780  * {{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.
781 -* {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
661 +* {{code language="none"}}number of samples{{/code}}: total number of samoles recorded for each 10 Hz trigger
782 782  
783 783  [[Contents>>doc:||anchor="Contents"]]
784 784  
... ... @@ -939,7 +939,7 @@
939 939  // saved opon request (PBD2)//
940 940  DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
941 941  DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
942 -desc : mean wavelength ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
822 +desc : meanwavelength ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
943 943  units : nm
944 944  
945 945  \\
... ... @@ -953,11 +953,11 @@
953 953  
954 954  \\
955 955  
956 -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"]])
836 +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 savng the compleate 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"]] ( respobsible for [[OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]])
957 957  
958 958  \\
959 959  
960 -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 ...
840 +In case OPIS was not operating there is still informaton 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 ...
961 961  
962 962  \\
963 963  
... ... @@ -976,21 +976,8 @@
976 976  
977 977  \\
978 978  
979 -===== electron bunch energy =====
859 +===== undulator settings =====
980 980  
981 -{{code language="none"}}/FL2/Electron Diagnostic/Electron energy/energy of first bunch/behind undulators{{/code}}
982 -//always saved (PBD2)//
983 -DOOCS prop : {{code language="none"}}FLASH.DIAG/BEAM_ENERGY_MEASUREMENT/FL2XTDS/ENERGY.FLASH2{{/code}}
984 -DAQ channel: (% style="color: rgb(94,108,132);" %)TTF2.DAQ/PBD2.BEAM.ENERGY.MEAS.ML.COPY/FL2XTDS.ENERGY.FLASH2{{code language="none"}}{{/code}}(%%)
985 -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: rgb(94,108,132);" %)extraction and septum  in the beginning of FLASH2
986 -
987 -(% style="letter-spacing: 0.0px;" %)units: (% class="twikiNewLink" %)MeV
988 -
989 -\\
990 -
991 -(% style="color: rgb(94,108,132);font-weight: 600;letter-spacing: 0.0px;" %)
992 -undulator settings
993 -
994 994  {{code language="none"}}/FL2/Electron Diagnostic/Undulator setting/set wavelength{{/code}}
995 995  //always saved (PBD2)//
996 996  DOOCS prop : {{code language="none"}}TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH{{/code}}
... ... @@ -1008,27 +1008,8 @@
1008 1008  The gap values are saved for all 12 undulators (Nr 3 to 14). Undulator 14 is the one closest to the experimental hall.
1009 1009  
1010 1010  =====
1011 -arrival time (BAM) =====
878 +arrival time =====
1012 1012  
1013 -{{info title="BAM information: updates 2022"}}
1014 -* 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"]]
1015 -* The data format of the BAM has been completely altered in the 2022 shutdown
1016 -* before 2022 BAMs were always saving the arrival time information for each 1µs bucked regardless if there were electrons in the accelerator or not. I addition the arrival times for  FL1 and FL2 were saved in the same parameter ...
1017 -* 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)
1018 -* There has been also a renaming  (and relocation) of the BAMs.
1019 -** acc:  4DBC3 → FL0.DBC2
1020 -** FL1: 1SFELC →  FL1.SFELC
1021 -** FL2: 8FL2XTDS → (% style="color: rgb(23,43,77);" %)FL2.SEED5
1022 -* for more Info: [[LINK to detailed infos from MSK>>url:https://confluence.desy.de/display/SDiagPublic/BAM+Data+Structure||shape="rect"]]
1023 -* [[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]]
1024 -* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
1025 -{{/info}}
1026 -
1027 -\\
1028 -
1029 -{{expand title="Discontinued BAM format (used until end 2021)"}}
1030 -(% style="color: rgb(0,0,0);" %)**Discontinued BAM data recording **
1031 -
1032 1032  {{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
1033 1033  //always saved (PBD2)//
1034 1034  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
... ... @@ -1053,85 +1053,8 @@
1053 1053  * [[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"]]
1054 1054  * a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
1055 1055  {{/info}}
1056 -{{/expand}}
1057 1057  
1058 -\\
1059 1059  
1060 -====== **BAM FL0.DBC2**{{code language="none"}}{{/code}} ======
1061 -
1062 -(% style="color: rgb(255,102,0);" %)**DBC2**/electron bunch arrival time  (HDF5 name not yet implemented - see zraw)(%%)
1063 -//always saved (PBD)//
1064 -**FL0.DBC2**
1065 -(% style="color: rgb(0,0,0);" %)channel: FLASH.SDIAG/BAM/**FL0.DBC2**/ARRIVAL_TIME.ABSOLUTE.SA2.COMP
1066 -{{code language="none"}}/FL2/Electron Diagnostic/BAM/ 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 should be only 0). 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).
1067 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1068 -
1069 -\\
1070 -
1071 -(% style="color: rgb(255,102,0);" %)DBC2/electron bunch arrival time (raw)  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1072 -//always saved (PBD)//
1073 -{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE{{/code}}
1074 -(% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel: {{/code}}(%%)
1075 -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). 
1076 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1077 -
1078 -\\
1079 -
1080 -(% style="color: rgb(255,102,0);" %)DBC2/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1081 -//always saved (PBD)//
1082 -(% style="color: rgb(0,0,0);" %)E.bamError{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM{{/code}}(%%)
1083 -(% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMERROR{{code language="none"}}DAQ channel: {{/code}}(%%)
1084 -desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1085 -
1086 -\\
1087 -
1088 -(% style="color: rgb(255,102,0);" %)DBC2/status  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1089 -//always saved (PBD)//
1090 -(% style="color: rgb(0,0,0);" %)E..bamStatus.//2//{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIM{{/code}}(%%)
1091 -(% style="color: rgb(0,0,0);" %): FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.2{{code language="none"}}DAQ channel{{/code}}(%%)
1092 -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
1093 -
1094 -\\
1095 -
1096 -====== **BAM FL2.SEED5**{{code language="none"}}{{/code}} ======
1097 -
1098 -(% style="" %)/FL2/Electron Diagnostic/BAM/(%%)**SEED5**(% style="color: rgb(255,102,0);" %)/electron bunch arrival time  (HDF5 name not yet implemented - see zraw)
1099 -
1100 -//always saved (PBD)//
1101 -(% style="color: rgb(23,43,77);" %)**FL2.SEED5**(%%)
1102 -(% style="color: rgb(0,0,0);" %)channel: FLASH.SDIAG/BAM/(% style="color: rgb(0, 0, 0); color: rgb(23, 43, 77)" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
1103 -{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="" %)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 should be only 0). 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).
1104 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1105 -
1106 -\\
1107 -
1108 -\\
1109 -
1110 -(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/electron bunch arrival time (raw) (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1111 -//always saved (PBD)//
1112 -(% style="color: rgb(23,43,77);" %)**FL2.SEED5**{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE{{/code}}(%%)
1113 -**~ **(% style="color: rgb(0,0,0);" %)FLASH.SDIAG/BAM/(% style="color: rgb(0, 0, 0); color: rgb(23, 43, 77)" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)/ARRIVAL_TIME.ABSOLUTE {{code language="none"}}DAQ channel:{{/code}}(%%)
1114 -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). 
1115 -units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1116 -
1117 -\\
1118 -
1119 -(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1120 -//always saved (PBD)//
1121 -(% style="color: rgb(23,43,77);" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)E.bamError{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIM{{/code}}(%%)
1122 -(% style="color: rgb(0,0,0);" %): FLASH.SDIAG/BAM/(% style="color: rgb(0, 0, 0); color: rgb(23, 43, 77)" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)/ARRIVAL_TIME.BAMERROR{{code language="none"}}DAQ channel{{/code}}(%%)
1123 -desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1124 -
1125 -\\
1126 -
1127 -(% style="color: rgb(23,43,77);" %)SEED5(% style="color: rgb(255,102,0);" %)/status  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1128 -//always saved (PBD)//
1129 -(% style="color: rgb(23,43,77);" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)E.bamStatus.//2//{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIM{{/code}}(%%)
1130 -(% style="color: rgb(0,0,0);" %)el: FLASH.SDIAG/BAM/(% style="color: rgb(0, 0, 0); color: rgb(23, 43, 77)" %)**FL2.SEED5**(% style="color: rgb(0,0,0);" %)/ARRIVAL_TIME.BAMSTATUS.2{{code language="none"}}DAQ chann{{/code}}(%%)
1131 -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
1132 -
1133 -\\
1134 -
1135 1135  [[Contents>>doc:||anchor="Contents"]]
1136 1136  
1137 1137  \\
... ... @@ -1258,80 +1258,7 @@
1258 1258  
1259 1259  There may be more information available from the "Laser DAQ". laese contact your Laser Local Contact.
1260 1260  
1261 -\\
1262 1262  
1263 -**User delay**
1264 -
1265 -Delay (set value):
1266 -
1267 -{{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION_SET.WR{{/code}}
1268 -
1269 -Delay (encoder readback):
1270 -
1271 -{{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/FMC0.MD22.0.POSITION.RD{{/code}}
1272 -
1273 -OXC. jitter:
1274 -
1275 -{{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/F2.PPL.OSC/CURRENT_INPUT_JITTER.RD{{/code}}
1276 -
1277 -\\
1278 -
1279 -**Pulse resolved energy:**
1280 -
1281 -1a) OPCPA output:
1282 -
1283 -{{code language="none"}}FLASH.LASER/TAMC532DMA/ULGAN1/CH23.TD{{/code}}
1284 -
1285 -1b) OPCPA energy from PES (only fast channel):
1286 -
1287 -FLASH.LASER/CPUULGAN1.PULSEENERGY/OPCPA_Output/DAQ_CHANNEL
1288 -
1289 -2a) Upper breadboard Photodiode (THG) burst:
1290 -
1291 -{{code language="none"}}FLASH.LASER/TAMC532DMA/ULGAN1/CH26.TD{{/code}}
1292 -
1293 -2b) Upper breadboard Photodiode (THG) energy (in-coupling user photodiode, fast)
1294 -
1295 -{{code language="none"}}FLASH.LASER/MOD24.PES/FL24_userPD/DAQ_CHANNEL{{/code}}
1296 -
1297 -\\
1298 -
1299 -**Attenuator angle:**
1300 -
1301 -{{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
1302 -
1303 -**Polarization control:**
1304 -
1305 -{{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR14.FL24/FPOS{{/code}}
1306 -
1307 -**SysDC delay error:**
1308 -
1309 -{{code language="none"}}FLASH.LASER/ULGAN1.DYNPROP/TCFIBER.DOUBLES/DOUBLE26{{/code}}
1310 -
1311 -\\
1312 -
1313 -**Timing error: (these two need to be observed and both=0 means no error)**
1314 -
1315 -{{code language="none"}}FLASH/CPUULGAN1.TIMING/ULGAN1/dT_alarm{{/code}}
1316 -
1317 -{{code language="none"}}FLASH/CPUULGAN1.TIMING/ULGAN1/dMPN{{/code}}
1318 -
1319 -**Laser error status:**
1320 -
1321 -\\
1322 -
1323 -**Virtual camera X and Y history, beam size: (use slow data)**
1324 -
1325 -{{code language="none"}}FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.X{{/code}}
1326 -
1327 -{{code language="none"}}FLASH.LASER/MOD24.BEAMPOS/UV.VF_BP/CENTER.Y{{/code}}
1328 -
1329 -{{code language="none"}}FLASH.LASER/MOD24.CAM/UV.14.VF/ROI_SPECTRUM.X.SIG{{/code}}
1330 -
1331 -\\
1332 -
1333 -{{expand title="Parameters used until 2021"}}
1334 -
1335 1335  {{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/attenuator position{{/code}}//always saved (PBD2)//
1336 1336  DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
1337 1337  DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
... ... @@ -1364,7 +1364,6 @@
1364 1364  DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
1365 1365  desc: rms jitter of the fs-Oscillator
1366 1366  units: fs
1367 -{{/expand}}
1368 1368  
1369 1369  [[Contents>>doc:||anchor="Contents"]]
1370 1370