Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 11.1
edited by sndueste
on 2019/09/17 16:50
Change comment: There is no comment for this version
To version 8.1
edited by sndueste
on 2019/09/16 11:56
Change comment: There is no comment for this version

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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)//
... ... @@ -564,13 +564,15 @@
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 +\\
568 568  
569 +==== Photon Diagnostics SASE (XGMD) ====
570 +
569 569  {{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
570 570  //always saved (PBD2)//
571 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
572 -DAQ channel:{{code language="none"}} FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ{{/code}}
573 -desc : calibrated average ( ~~ 20 sec averaging time ) SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
573 +DOOCS prop : FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ
574 +DAQ channel: FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ
575 +desc : calibrated average SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
574 574  units : microJ
575 575  
576 576  \\
... ... @@ -577,12 +577,12 @@
577 577  
578 578  (% style="color: rgb(255,204,0);" %)average Sigma    to be included in
579 579  
580 -(% style="color: rgb(193,199,208);" %){{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel uncertainty{{/code}} (%%)
581 -(% style="color: rgb(193,199,208);" %)//always saved (PBD2)// (%%)
582 -(% style="color: rgb(193,199,208);" %)DOOCS prop : FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA (%%)
583 -(% style="color: rgb(193,199,208);" %)DAQ channel: FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA (%%)
584 -(% style="color: rgb(193,199,208);" %)desc :  This parameter gives an indication of the error of the measurement of the average pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%)
585 -(% style="color: rgb(193,199,208);" %)units : microJ
582 +{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel uncertainty{{/code}}
583 +//always saved (PBD2)//
584 +DOOCS prop : FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA
585 +DAQ channel: FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA
586 +desc :  (ion current)
587 +units : microJ
586 586  
587 587  \\
588 588  
... ... @@ -589,10 +589,10 @@
589 589  \\
590 590  
591 591  {{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
592 -//always saved (PBD2)//
593 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
594 -DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
595 -desc : Energy per pulse measured in the Tunnel  (in fromt of the gas attenuator and the apertures in the Hall)
594 +//always saved (PBD)//
595 +DOOCS prop : FLASH.FEL/XGM.INTENSITY/FL2.HALL/INTENSITY.TD
596 +DAQ channel: FLASH.FEL/XGM.INTENSITY/FL2.HALL/INTENSITY.TD
597 +desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
596 596  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
597 597  
598 598  \\
... ... @@ -599,38 +599,60 @@
599 599  
600 600  \\
601 601  
602 -{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel uncertainty (sigma){{/code}}
603 -//always saved (PBD2)//
604 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.SIGMA.TD{{/code}}
605 -DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL:4{{/code}}
606 -desc :(% style="color: rgb(0,0,0);" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%)
607 -units : a.u. (more or less µJ - related to the value of the pulse energy )
604 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel (raw){{/code}}
605 +//always saved (PBD)//
606 +DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT14/VAL{{/code}}
607 +DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.FF{{/code}}
608 +desc :Energy per pulse Tunnel (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
609 +units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
608 608  
611 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
612 +//always saved (PBD)//
613 +DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
614 +DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
615 +desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
616 +units : microJ
609 609  
610 -{{code language="none"}}{{/code}}
618 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
619 +//always saved (PBD)//
620 +DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
621 +DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
622 +desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
623 +units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
611 611  
612 -All values for the GMD are also available for the** HALL GMD **which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between Hall and Tunnel signal shows the attenuation. **BUT NOTE** that the filter unit and the Aperture 4 are downstream the GMD. So if filters and aperture are used this influence is NOT measured by the GMD hall !
625 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA (raw){{/code}}
626 +//always saved (PBD)//
627 +DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT15/VAL{{/code}}
628 +DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
629 +desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
630 +units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
613 613  
614 -\\
632 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
633 +//always saved (PBD)//
634 +DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
635 +DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
636 +desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (BDA, x=horizontal)
637 +units : mm
615 615  
616 -Besides  pulse energy the GMD also provides information about the beam position
639 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical{{/code}}
640 +//always saved (PBD)//
641 +DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
642 +DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
643 +desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (BDA, y=vertical)
644 +units : mm
617 617  
618 -\\
619 -
620 -{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel horizontal{{/code}}
621 -//always saved (PBD2)//
622 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
623 -DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
624 -desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (tunnel, x=horizontal)
646 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal{{/code}}
647 +//always saved (PBD)//
648 +DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
649 +DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
650 +desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (TUNNEL, x=horizontal)
625 625  units : mm
626 626  
627 -\\
628 -
629 -{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
630 -//always saved (PBD2)//
631 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
632 -DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
633 -desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (tunnel, x=horizontal)
653 +{{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical{{/code}}
654 +//always saved (PBD)//
655 +DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
656 +DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
657 +desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (TUNNEL, y=vertical)
634 634  units : mm
635 635  
636 636  \\
... ... @@ -637,70 +637,8 @@
637 637  
638 638  \\
639 639  
640 -
641 -//always saved (PBD2)//
642 -\\\\{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel x DOOCS prop : FLASH.FEL/XGM.BPM/FL2.HALL/X.TDDAQ channel: FLASH.FEL/XGM.BPM/FL2.HALL:2 desc: {{/code}}Besides the well calibrated averaged beam position information there is also the option
643 -{{code language="none"}}to measure the beam position on a single bunch level. HOWEVER this methide needs a perfectly adjusted signal level (talk to your local contact !!) and also then the signal to noise is rather small and one needs some averaging ... BUT with this option one can determine if there was a spatial slope on a burst (say forst bunches were lower than the last ones or so ...)units : mm    {{/code}}
644 -
645 -{{code language="none"}}(x=horizontal, y = vertial){{/code}}
646 -
647 -again the same parameter set is available for the **HALL GMD**
648 -
649 649  \\
650 650  
651 -\\
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 -\\
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 -\\
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 -\\
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 -\\
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 -\\
691 -
692 -\\
693 -
694 -\\
695 -
696 -\\
697 -
698 -\\
699 -
700 -\\
701 -
702 -\\
703 -
704 704  (% class="wrapped" %)
705 705  |=(((
706 706  DAQ name