Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 9.1
edited by sndueste
on 2019/09/17 16:31
Change comment: There is no comment for this version
To version 5.1
edited by sndueste
on 2019/09/16 10:24
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -130,16 +130,10 @@
130 130  DAQ channel: {{code language="none"}}TTF2.FEL/PGFILTERS/PGFILTERS/FW.MOTOR.POS{{/code}}
131 131  desc: Position of the PG filter wheel 3
132 132  units: degree
133 -
134 134  \\
135 135  
136 -
137 -NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. for more Info contact your local contact
138 -
139 139  [[Contents>>doc:||anchor="Contents"]]
140 140  
141 -\\
142 -
143 143  ==== Photon Diagnostics SASE / Spectrometer (FLASH1) ====
144 144  
145 145  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
... ... @@ -297,7 +297,7 @@
297 297  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
298 298  desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
299 299  units: ps (bigger numbers indicate later arrivaltime of the electrons)
300 -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"]]
294 +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://mskwiki/index.php?title=BAM-DAQ_Channels||shape="rect"]]
301 301  
302 302  ===== electron beam profile =====
303 303  
... ... @@ -521,159 +521,14 @@
521 521  
522 522  === FLASH2 ===
523 523  
524 -There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs
525 -
526 -==== Beamline info (FLASH2) ====
527 -
528 -(% style="color: rgb(255,153,0);" %)(not yet available){{code language="none"}}/FL2/Beamlines/Attenuator/pressure  {{/code}}(%%)
529 -//always saved (PBD2)//
530 -DOOCS prop : {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}}
531 -DAQ channel:  {{code language="none"}}FLASH.FEL/ATT.GAS_DOSING/FL2.HALL/PRESSURE{{/code}}
532 -desc: set pressure in the gas attenuator
533 -units: mbar
534 534  \\
535 535  
536 -{{code language="none"}}/FL2/Beamlines/FL20/Shutter/open{{/code}}
537 -//always saved (PBD2)//
538 -DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER/CH00.TD{{/code}}
539 -DAQ channel: {{code language="none"}}FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER{{/code}}
540 -desc: BL Beamline Fast shutter state: 1 is open, 0 is closed ( for technical reasons there are 100 vales of this state saved ...)
541 -units: none
542 -
543 -
544 -{{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 1{{/code}}
545 -//always saved (PBD2)//
546 -DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS{{/code}}
547 -DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS
548 -desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
549 -units: degree
550 550  \\
551 551  
552 -
553 -//always saved (PBD2)//
554 -\\\\[[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
555 -{{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 2 DOOCS prop : FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS desc: Position of the BL filter wheel 2 - to correlate with the filter material please look units: degree{{/code}}
556 -
557 557  \\
558 558  
559 -NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. for more Info contact your local contact
560 -
561 -[[Contents>>doc:||anchor="Contents"]]
562 -
563 563  \\
564 564  
565 -\\
566 -
567 -==== Photon Diagnostics SASE (XGMD) ====
568 -
569 -{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
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)
574 -units : microJ
575 -
576 -\\
577 -
578 -(% style="color: rgb(255,204,0);" %)average Sigma    to be included in
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
586 -
587 -\\
588 -
589 -\\
590 -
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)
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 -
598 -\\
599 -
600 -\\
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 )
608 -
609 -
610 -{{code language="none"}}{{/code}}
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 !
613 -
614 -\\
615 -
616 -Besides  pulse energy the GMD also provides information about the beam position
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)
625 -units : mm
626 -
627 -\\
628 -
629 -\\
630 -
631 -\\
632 -
633 -{{code language="none"}}/FL2/Photon Diagnostic/GMD/Average Beam position/position tunnel vertical{{/code}}
634 -//always saved (PBD2)//
635 -DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
636 -DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
637 -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)
638 -units : mm
639 -
640 -\\
641 -
642 -\\
643 -
644 -
645 -//always saved (PBD2)//
646 -\\\\{{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
647 -{{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}}
648 -
649 -{{code language="none"}}(x=horizontal, y = vertial){{/code}}
650 -
651 -again the same parameter set is available for the **HALL GMD**
652 -
653 -\\
654 -
655 -\\
656 -
657 -\\
658 -
659 -\\
660 -
661 -\\
662 -
663 -\\
664 -
665 -\\
666 -
667 -\\
668 -
669 -\\
670 -
671 -\\
672 -
673 -\\
674 -
675 -\\
676 -
677 677  (% class="wrapped" %)
678 678  |=(((
679 679  DAQ name