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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn  Not logged in ELOG logo
Message ID: 255     Entry time: 15 Jun 2023, 23:08
Author: Johan Bielecki 
Group: SPB 
Subject: Shift summary 

X-ray delivery

  • 12.42 keV, stable delivery in single pulse mode with 1.9 mJ/pulse

Optical laser delivery

  • 532 nm ns-laser for sample pumping

Achievements/Observations

  • Collected protein crystal diffraction for three different samples with varying laser delay and fluence. LCP viscous jet sample delivery.
  • Stable CRL focus using tunnel collimation with 3 XTD2 lenses followed by 17 focusing lenses in SPB hutch. 2 um FWHM focus with <1um standard deviation in 'X' position.
    • 3 XTD2 lenses gives a round X-ray beam approx 1 mm in size, such that we are almost overfilling the CRL apertues in SPB.

Issues

  • Some initial jetting issues, which have now been solved.
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