Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 12.1
edited by sndueste
on 2019/09/17 16:57
Change comment: There is no comment for this version
To version 9.1
edited by sndueste
on 2019/09/17 16:31
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -140,7 +140,7 @@
140 140  
141 141  \\
142 142  
143 -==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]]) / Spectrometer (FLASH1) ====
143 +==== Photon Diagnostics SASE / Spectrometer (FLASH1) ====
144 144  
145 145  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
146 146  //always saved (PBD)//
... ... @@ -564,7 +564,7 @@
564 564  
565 565  \\
566 566  
567 -==== Photon Diagnostics SASE ([[XGMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]] - FLASH2) ====
567 +==== Photon Diagnostics SASE (XGMD) ====
568 568  
569 569  {{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
570 570  //always saved (PBD2)//
... ... @@ -626,6 +626,10 @@
626 626  
627 627  \\
628 628  
629 +\\
630 +
631 +\\
632 +
629 629  {{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
630 630  //always saved (PBD2)//
631 631  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
... ... @@ -650,47 +650,16 @@
650 650  
651 651  \\
652 652  
653 -==== Photon Diagnostics OPIS[[ >>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]](FLASH2) ====
654 -
655 -for more info see: [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]]
656 -
657 -(The OPIS hall is not installed yet ...)
658 -
659 659  \\
660 660  
661 -{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean photon energy{{/code}}
662 -// saved opon request (PBD2)//
663 -DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
664 -DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042{{/code}}
665 -desc : mean photon energy ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
666 -units : eV
667 -
668 668  \\
669 669  
670 -{{code language="none"}}/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean wavelength{{/code}}
671 -// saved opon request (PBD2)//
672 -DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
673 -DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040{{/code}}
674 -desc : meanwavelength ( ~~ 1 sec averaging time ) measured in the TUNNEL for a specific bunch out of the bunch train (via photoelectron spectroscopy)
675 -units : nm
676 -
677 677  \\
678 678  
679 -{{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}}
680 -// saved opon request (PBD2)//
681 -DOOCS prop : {{code language="none"}}FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
682 -DAQ channel:{{code language="none"}} FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL060{{/code}}
683 -desc : The bunch number of the bunch used for the wavelength calculation
684 -units :
685 -
686 686  \\
687 687  
688 -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"]])
689 -
690 690  \\
691 691  
692 -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 ...
693 -
694 694  \\
695 695  
696 696  \\
... ... @@ -697,160 +697,10 @@
697 697  
698 698  \\
699 699  
700 -==== Electron Beam properties (FLASH2) ====
701 -
702 -===== bunch charge =====
703 -
704 -{{code language="none"}}/FL2/Electron Diagnostic/Bunch charge/after undulator{{/code}}
705 -//always saved (PBD)//
706 -DOOCS prop : {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
707 -DAQ channel: {{code language="none"}}FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2{{/code}}
708 -desc: electron bunch charge (FLASH2)
709 -units: nC
710 -
711 711  \\
712 712  
713 713  \\
714 714  
715 -|(((
716 -FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP
717 -)))|(((
718 -/FL2/Electron Diagnostic/Undulator setting/SASE14 gap
719 -)))
720 -|(((
721 -TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH
722 -)))|(((
723 -/FL2/Electron Diagnostic/Undulator setting/set wavelength
724 -)))
725 -
726 -=====
727 -arrival time =====
728 -
729 -{{code language="none"}}/FL1/Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
730 -//always saved (PBD)//
731 -DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
732 -DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
733 -desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
734 -units: ps (bigger numbers indicate later arrivaltime of the electrons)
735 -note: besides the arivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved. [[LINK to detailled 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"]] and to a recent  [[talk about the working principle of the BAM>>url:https://confluence.desy.de/download/attachments/134216957/BAM-basics_and_outlook-2018_DESY-template_16-9Format.pdf?version=1&modificationDate=1565162143328&api=v2||shape="rect"]]
736 -
737 -\\
738 -
739 -\\
740 -
741 -\\
742 -
743 -===== electron bunch energy =====
744 -
745 -{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/average electron energy{{/code}}
746 -_always saved (PBD)
747 -DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_INTRA_MEAN/VAL{{/code}}
748 -DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_MEAN{{/code}}
749 -desc: electron bunch energy (average over the bunch train)
750 -units: (% class="twikiNewLink" %)MeV(%%)
751 -\\
752 -
753 -{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/pulse resolved energy{{/code}}
754 -_always saved (PBD)
755 -DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/E_SPECT/VAL.TD{{/code}}
756 -DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/E_SPECT{{/code}}
757 -desc: electron bunch energy bunch resolved
758 -units: (% class="twikiNewLink" %)MeV
759 -
760 -\\
761 -
762 -{{code language="none"}}/FL1/Electron Diagnostic/Electron energy/wavelength bunch train average{{/code}}
763 -_always saved (PBD)
764 -DOOCS prop : {{code language="none"}}TTF2.DAQ/ENERGY.DOGLEG/LAMBDA_MEAN/VAL{{/code}}
765 -DAQ channel: {{code language="none"}}PBD.ENERGY.DOGLEG/LAMBDA_MEAN{{/code}}
766 -desc: Wavelength calculated by the electron bunch energy (average over the bunch train) (FLASH1)
767 -units: nm
768 -\\
769 -
770 -[[Contents>>doc:||anchor="Contents"]]
771 -
772 -\\
773 -
774 -==== Timing information, rep rate etc.  (FLASH1) ====
775 -
776 -===== bunch repetition rate =====
777 -
778 -{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
779 -//always saved (PBD)//
780 -DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
781 -DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
782 -desc: repetition rate of the bunches / pulses within the burst (FLASH1)
783 -units: kHz
784 -\\
785 -
786 -===== set number of pulses =====
787 -
788 -{{code language="none"}}/FL1/Timing/set number of bunches{{/code}}
789 -//always saved (PBD)//
790 -DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/3GUN/NUMBEROFBUNCHES.FLASH1{{/code}}
791 -DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_NUM{{/code}}
792 -desc: Number of pulses set at the gun (FLASH1)
793 -units:
794 -
795 -===== actual number of pulses =====
796 -
797 -{{code language="none"}}/FL1/Timing/actual number of bunches{{/code}}
798 -//always saved (PBD)//
799 -DOOCS prop : {{code language="none"}}FLASH.DIAG/TOROID.ML/12EXP/NUMBEROFBUNCHES.FLASH1{{/code}}
800 -DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
801 -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)
802 -units:
803 -\\
804 -
805 -===== actual pulse pattern recorded after the undulator =====
806 -
807 -{{code language="none"}}/FL1/Timing/Bunch pattern/pattern after undulator{{/code}}
808 -//always saved (PBD)//
809 -DOOCS prop : {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP/CHARGE.TD{{/code}}
810 -DAQ channel: {{code language="none"}}TTF2.DIAG/PBD.TOROID.ML/12EXP{{/code}}
811 -desc: The bunch pattern as function of time in a burst recorded by toroide diagnostic BEHIND the undulator. (FLASH1)
812 -units:
813 -\\
814 -
815 -===== Train ID =====
816 -
817 -{{code language="none"}}/Timing/train ID{{/code}}
818 -//always saved (PBD)//
819 -DOOCS prop : {{code language="none"}}none{{/code}}
820 -DAQ channel: {{code language="none"}}none{{/code}}
821 -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 !)
822 -units:
823 -\\
824 -
825 -===== Train time =====
826 -
827 -{{code language="none"}}/Timing/train time{{/code}}
828 -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
829 -units: d h min s cs
830 -\\
831 -
832 -{{code language="none"}}/Timing/time stamp{{/code}}
833 -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
834 -second column: microseconds
835 -third column: Train ID of FLASH
836 -\\
837 -
838 -[[Contents>>doc:||anchor="Contents"]]
839 -
840 -\\
841 -
842 -\\
843 -
844 -\\
845 -
846 -\\
847 -
848 -\\
849 -
850 -\\
851 -
852 -\\
853 -
854 854  (% class="wrapped" %)
855 855  |=(((
856 856  DAQ name