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Figure 4
Pulse energy and beam position measurements over 2 h after SASE1 tuning and optimization. The left vertical axis is the beam position (grey dots); the right vertical axis is the pulse energy (orange dots). The data source is XTD2 XGM (SASE1), averaged ion signal of XGMDh and XGMDv, date 4 December 2017, wavelength 0.133 nm, 30 pulses per train, with a Xe gas target. The absolute measurement uncertainty σ of the energy was 7–10% (77–110 µJ).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 4| July 2019| Pages 1045-1051
https://doi.org/10.1107/S1600577519003795
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