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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn  Not logged in ELOG logo
Message ID: 341     Entry time: 13 Sep 2023, 02:18
Author: Tokushi Sato 
Group: SPB 
Subject: Shift summary 

X-ray delivery

  • 0.5 mj, improved to 1.1 mj xray energy in the evening

Optical laser delivery

  • 50 fs, 860 nm as fundamental wavelength, 188 kHz
  • ns for illumination,

Achievements/Observations

  • Aligned the instrument to 9.3 keV
  • Aligned the PPL laser
  • Time zero PPL
  • Measured sample, dark runs, including testing different sample conditions (filtered vs not filtered or lower cutoff)
  • Measured TR-SFX

Issues

  • Low xray energy, BKR improved it afternoon, from 0.5 to 1.1 mj, hopefully we could still get better the following days
  • PP-laser AMPHOS issues
  • The focus at IRU in the evening had issues, we had to redo the alignment partially. We also had to ask BKR to improve the beam alignment at FEL imager.
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