ibrahim.abouelfettouh@LIGO.ORG - posted 16:27, Thursday 05 June 2025 - last comment - 11:22, Tuesday 10 June 2025(84834)
(Incomplete) Calibration June 5, 2025
(This is Oli)
Once we had been at 60W for two hours, I started a calibratoin measurement. I started with Simulines since yesterday I had gotten a broadband measurment done (84808). A couple minutes into the measurement, we lost lock. The cause is unknown, but I've attached the output for the simulines measurement (txt).
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Lockloss happened as Calibration signals were ramping on, see attached. First glitch in L3, see attached.
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Attaching trend of OMC DCPD sum during LL. Plot suggests the DCPDs were not the cause of the lock-loss.
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