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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn  Not logged in ELOG logo
Message ID: 452     Entry time: 21 Nov 2023, 23:29
Author: Adam Round 
Group: SPB 
Subject: Shift end 

Staff: AR, MS, DM, RL, RdW

X-ray delivery

  • 16.9 keV, up to 30 pulses and 1.1 MHz for alignment, 1 pulse for data collection
  • stable delivery

Optical laser delivery

  • None

Achievements/Observations

  • Beam aligned down to zyla cam 3
  • CRLs were inserted but created too much speckles on Jungfrau and we couldn't reach the expected 80 um beam size for the users lenses (arms 6 and 7 unusable, arm 4 hole feature in beam)
  • user lenses aligned
  • User beamstop installed to block 1st order line in horizontal direction
  • Collected several speckle tracking data scans without our CRLs - to give initial estimates for focus
  • Jungfrau timing confirmed - signal observed

Issues

  • Could not see signal with the thin sample and the CRLs inserted
  • clear aberations from our CRLs
  • CRL arm 4 motors were not moving. To recover it, we connected the motor and encoder cables from the pinhole arm.
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