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Message ID: 388     Entry time: 14 Oct 2023, 04:04
Author: Chan Kim 
Group: SPB 
Subject: Shift summary 

X-ray delivery

  • 7.8 keV, up to 260 pulses at 1.1MHz, ~3 mJ

Optical laser delivery

  • PP laser, stable delivery

Achievements/Observations

  • NKB focus optimized with reduced PSLIT (both MKB and EHU) opening
  • Found the orgin of the BG (mostly from AGIPD gun shield)
  • Stable AGIPD operation

Issues

  • Beam slitting with PSLITs & IRU_SLITs does not help in reducing the BG from the AGIPD Gun-shield
  • Placing additional Pb shield on the injector tip does not help (BG source is in between injector and AGIPD)
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