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CAL (General)
Shingo Hido - 13:24 Tuesday 03 June 2025 (34048) Print this report
Comment to full calibration measurements before starting observing run (34033)

I estimated calibration parameters including pcal beam spot effect (klog#34039).
All DARM-related parameters were updated as of 6/3 at 13:25.

1. Parameters in sensing

Optical_gain = 2.1994e12 (-6 from % klog#33643)
Cavity_pole = 18.078 (+0.43 %)

2. Actuator efficiencies
H_etmxtm = 3.8756e-14 at 10Hz (-0.85 from % klog#33944)
H_etmxim  = 1.6451e-14 at 10Hz (-1.95 from % klog#33609)

The difference in the results is considered to arise from the PCAL correction and the frequency range used for fitting. After discussing with Yamamoto-san, we decided to update the values.

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