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  OPERATION-2025 logbook, Contact: F.Wolff-Fabris, A.Galler, H.Sinn  Not logged in ELOG logo
Message ID: 15     Entry time: 08 Feb 2025, 00:00
Author: Tokushi Sato 
Group: SPB 
Subject: Shift summary 

SPB/SFX 7955 Shift 1
**X-ray delivery**
* up to 202 pulses per train (~1.4 mJ pulse energy), 0.5 MHz.

**Optical laser delivery**
* 420nm used for sample excitation. timed to 1ps with water jet interaction
* difficult to find good filter combination for jet illumination laser and pump laser

**Achievements/Observations**
* 10.8 keV - 11.2 keV energy scan
* lysozyme geometry data set
* several runs for sample dark data set (potentially more needed)
* a few runs for 1ps pumped data set (definitely more needed)

**Issues**
* difficult end to shift (nozzle and illumination issues)
* hit rate rather low for timing program (leads to long processing times)

**To do for next shift**
* continue user data set including power titration
* start time delay sequence

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