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OPERATION-2025
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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: 179
Entry time: 05 May 2023, 06:33
Reply to this: 180
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| Author: |
Giuseppe Mercurio, Diego, Martin, Amina |
| Group: |
SCS |
| Subject: |
Shift summary |
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achievements:
- inserted the magnet and measured delay scan at the maximum magnetic field with opposite directions
- data analysis showed that runs measured during the afternoon/evening led to sample degradation (the sample shows a dark spot, change in the scattering signal is also cearly visible)
- corrected spatial overlap
- moved to gresh spot and did delay scan at lower OL fluence (Tr = 35% instead of 70%)
problems:
- shortly before 23:00 the optical laser synchronization was lost for a bit more than 2 hours, then it came back shortly after 1 am at that time the PP laser phase shifter when optically lock moved from 1018 to 229.8 apparently on its own, and it was realized few hours later. We moved it back to the original value, but this was not sufficient, we had to move by several ns and we were not able to move where we wanted, Laser OCD was called a7 7:35.
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