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Experiment data
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| OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn |
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Message ID: 370
Entry time: 27 Sep 2023, 07:51
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| Author: |
Benjamin van Kuiken |
| Group: |
SCS |
| Subject: |
SCS Night Shift Summary |
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Achievements
- Characterized optical laser spot at sample
Problems
- FEL beam had very unstable intensity and spectrum. As a result no useful data could be collected during the night
- FEL pointing seemed to be stable on all tunnel imagers. The issue was communicated to BKR, and they said that things looked fine from there perspective.
- Large fluctuations in spectral distrubtion at SCS spectrometer were observed. See video at https://syncandshare.xfel.eu/index.php/s/emtwonCsQJJqpz6
- Oth-order beam on SCS pop-in showed large intensity fluctuations with ~50% of the time showing no beam at all
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