Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 33.1
edited by sndueste
on 2020/10/28 11:26
Change comment: There is no comment for this version
To version 28.1
edited by sndueste
on 2019/10/22 08:53
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -40,26 +40,30 @@
40 40  
41 41  Here we have a few HDF5 samples (User data combined with Photon diagnostics data) from a few beamtimes showing the different kind options.
42 42  
43 -[[image:attach:image2019-10-21_17-2-50.png||thumbnail="true" width="300"]] [[download HDF5 (Images @ FL2)>>url:https://desycloud.desy.de/index.php/s/nyEgeCWJFC4gao2||shape="rect"]]
43 +Example 1:  Images saved at FLASH2
44 44  
45 45  \\
46 46  
47 -[[~[~[image:attach:image2019-10-22_10-52-27.png~|~|thumbnail="true" width="300"~]~]download HDF5 (GHz ADC and OPIS @ FL2)>>url:https://desycloud.desy.de/index.php/s/AeA2kPNNnZgX95A||shape="rect"]]
47 +[[image:attach:image2019-10-21_17-2-50.png||thumbnail="true" height="150"]] [[download HDF5 (Images)>>url:https://desycloud.desy.de/index.php/s/nyEgeCWJFC4gao2||shape="rect"]]
48 48  
49 49  \\
50 50  
51 51  \\
52 52  
53 -[[Contents>>doc:||anchor="Contents"]]
53 +[[download HDF5 (GHz ADC and OPIS)>>url:https://desycloud.desy.de/index.php/s/AeA2kPNNnZgX95A||shape="rect"]]
54 54  
55 55  \\
56 56  
57 57  \\
58 58  
59 -== Most popular FLASH parameters and their names in HDF5, DOOCS and (raw) DAQ ==
59 +[[Contents>>doc:||anchor="Contents"]]
60 60  
61 -{{id name="DOOCSparameters"/}}
61 +\\
62 62  
63 +\\
64 +
65 +== Most popular FLASH parameters and their names in HDF5, DOOCS and (raw) DAQ ==
66 +
63 63  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"]].
64 64  The most common and often used ones are summarized below:
65 65  
... ... @@ -300,25 +300,10 @@
300 300  //always saved (PBD)//
301 301  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
302 302  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
303 -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).
304 -units: ps (bigger numbers indicate later arrivaltime of the electrons)
307 +desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
308 +units: ps (bigger numbers indicate later arrivaltime of the electrons)
309 +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>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
305 305  
306 -{{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
307 -//always saved (PBD)//
308 -DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
309 -DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
310 -desc: Electron bunch arrival time measured with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.
311 -units: ps (bigger numbers indicate later arrivaltime of the electrons)
312 -
313 -{{info title="BAM hints"}}
314 -* besides the arrivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved.In case of doubt ask your local contact
315 -* [[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]]
316 -* [[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"]]
317 -* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
318 -{{/info}}
319 -
320 -\\
321 -
322 322  ===== electron beam profile =====
323 323  
324 324  {{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
... ... @@ -760,30 +760,17 @@
760 760  =====
761 761  arrival time =====
762 762  
763 -{{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
764 -//always saved (PBD2)//
765 -DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
766 -DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/8FL2XTDS.LOW_CHARGE_ARRIVAL_TIME{{/code}}
767 -desc: Electron bunch arrival time measured with the BAM after the FLASH2 undulator (pulse resolved data)
768 -units: ps (bigger numbers indicate later arrivaltime of the electrons)
769 -
770 770  **FL1**{{code language="none"}}//Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
771 771  //always saved (PBD2)//
772 772  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
773 773  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
774 -desc: Electron bunch arrival time measured with the BAM  in the accelerator  (pulse resolved data)
756 +desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
775 775  units: ps (bigger numbers indicate later arrivaltime of the electrons)
776 776  
777 -\\
759 +The BAM measures the arrivaltime of** FLASH 1 and FLASH2** in the same data set (thus also sorted in at /FL1/ !). The first values are for FLASH1 bunches.
760 +After a gap of about 70 micros ( 70 colums)  with  as entry for the switching between FLASH 1 and 2 the values for the electrons used in FLASH2 start.  The start time of FLASH2 is also recorded in the DAQ. FLASH1 start time is for historic reasons 700. thus if e.g. the start time of FLASH2 ( property name see below) is 1200 it means that FLASH starts at column 500 (1200-700) ...
778 778  
779 -{{info title="BAM hints"}}
780 -* The BAM 4DBC3 measures the arrivaltime of** FLASH 1 and FLASH2** in the same data set (thus also sorted in at /FL1/ !).
781 -* The BAM 8FL2XTDS measures only for FLASH2 BUT has the same data structure as the other BAMS ... thus there are also (random) values in in the  FLASH1 time slot 
782 -** Structure: The first values are for FLASH1 bunches. After a gap of about 70 micros ( 70 colums)  with  as entry for the switching between FLASH 1 and 2 the values for the electrons used in FLASH2 start.  The start time of FLASH2 is also recorded in the DAQ. FLASH1 start time is for historic reasons 700. thus if e.g. the start time of FLASH2 ( property name see below) is 1200 it means that FLASH starts at column 500 (1200-700) ... .In case of doubt ask your local contact
783 -* [[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]]
784 -* [[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"]]
785 -* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
786 -{{/info}}
762 +Docu for BAM:  [[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>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
787 787  
788 788  
789 789  [[Contents>>doc:||anchor="Contents"]]