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Reports until 07:13, Thursday 07 November 2024
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jason.oberling@LIGO.ORG - posted 07:13, Thursday 07 November 2024 (81119)
PMC Output Since NPRO Crystal Temperature Tuning

Attached is a roughly 19 hour trend, going back to relocking the PMC/ISS/FSS after yesterday's NPRO crystal temperature tuning.  As can be seen, there were no excursions in PMC Refl above 18 W, and no sudden drops in the ISS diffracted power % or sudden ISS unlocks, a clear change from the last several days.  We will continue to monitor this, but so far it looks like the new NPRO is much happier with this new crystal temperature.

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