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  OPERATION-2024 logbook, Contact: F.Wolff-Fabris, A.Galler, H.Sinn, Page 10 of 12  Not logged in ELOG logo
ID Date Authordown Group Subject Text Attachments
  199   12 Nov 2024, 10:07 Frederik Wolff-FabrisPRCIssue
- While FEL IMG with YAG screen was
inserted in SA1, EPS/MPS was not limited
to the expected 2 bunches, but to 30
 Screenshot_2024-11-12_100032.png 
  200   15 Nov 2024, 10:50 Frederik Wolff-FabrisPRCIssueSA2 cell#5 undulator segment moved at ~09:45AM
Fri to 25mm without aparent reason and
undulator experts need a ZZ to exchange power
  
  107   17 May 2024, 10:42 Dirk RaiserSQSStatusLaser status:

After the laser issues listed in https://in.xfel.eu/elog/OPERATION-2024/99 the
  
  5   31 Jan 2024, 23:26 Chan KimSPBShift summary31.01.2024 (Day shift)

X-ray delivery


10 keV
1200
  
  49   13 Mar 2024, 23:41 Chan KimSPBShift summaryX-ray delivery


6 keV, 2.6 mJ/pulse, stable
delivery


Optical
  
  51   15 Mar 2024, 00:16 Chan KimSPBShift summaryX-ray delivery

6 keV, 2.4 mJ/pulse, stable delivery

Optical laser delivery
  
  54   15 Mar 2024, 23:43 Chan KimSPBShift summary**X-ray delivery**

- 6 keV, 3.2 mJ/pulse, stable delivery

**Optical laser delivery**
  
  64   28 Mar 2024, 14:54 Chan KimSPBShift summaryX-ray delivery


12.72 keV, 10 Hz, NOT stable
delivery, pointing drastically changed in
  
  65   28 Mar 2024, 14:56 Chan KimSPBIssuePulse energy fluctuation observed after
full train operation in SA2 starts.
 Screenshot-from-2024-03-28-14-26-18_1.png 
  66   29 Mar 2024, 22:38 Chan KimSPBShift summaryX-ray delivery
- 12.72 keV, 10Hz, ~1.4 mJ/pulse,
stable delivery 
  
  69   30 Mar 2024, 22:02 Chan KimSPBIssueContinuous pointing drift in horizontal
direction.

It may trigger a vacuum spike at
 Screenshot_from_2024-03-30_21-59-03.pngScreenshot_from_2024-03-30_21-09-11.png 
  70   30 Mar 2024, 22:50 Chan KimSPBShift summaryX-ray delivery

- 12.72 keV, 10Hz, ~1.4 mJ/pulse,
continuous beam drift in the horizontal direction
  
  119   07 Jun 2024, 23:12 Chan KimSPBShift summaryX-ray delivery
- 7.0 keV, up to 202 pulses at 564
kHz, 1.0 mJ.
  
  123   09 Jun 2024, 22:45 Chan KimSPBShift summaryX-ray delivery


7.0 keV, up to 202 pulses
at 564 kHz, 1.0 mJ.


Optical
  
  153   24 Aug 2024, 23:09 Chan KimSPBShift summaryX-ray delivery

-12.40
- 12.82 keV, XDT9 XGM ~0.81 mJ@ end of shift
  
  156   27 Aug 2024, 12:17 Chan KimSPBShift summaryX-ray delivery


12.78 keV, ~1.3 mJ


Optical
laser delivery
  
  175   25 Sep 2024, 16:53 Chan KimSPBIssue600um thick CVD diamond (XTD2 attenuator)
seems damaged

 
 Screenshot_from_2024-09-25_16-50-57.pngScreenshot_from_2024-09-25_16-51-21.png 
  176   25 Sep 2024, 23:36 Chan KimSPBShift summaryX-ray delivery


6 keV, ~2.8 mJ, stable
delivery


Optical
  
  178   26 Sep 2024, 23:12 Chan KimSPBShift summaryX-ray delivery


6 keV, ~2.7 mJ, stable
delivery


Optical
  
  181   27 Sep 2024, 23:13 Chan KimSPBShift summaryX-ray delivery


6 keV, ~3.0 mJ, stable
delivery


Optical
  
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