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CAL (General)
Shingo Hido - 18:57 Tuesday 17 June 2025 (34215) Print this report
Weekly calibration on 6/17

CAL group

We did the calibration measurements.
The parameters have been updated.

Estimated parameters are as follows.
 H_etmxtm = 3.829325387e-14@10Hz   ( -0.36% from previous measurements)
 H_etmxim = 1.530882477e-14@10Hz   ( -0.43% from previous measurements)
 Optical_gain = 2.113620551e+12          ( -0.63% from previous measurements)
 Cavity_pole = 18.175846997 Hz            ( 0.89% from previous measurements)

Previous values are listed in klog#34261 (measurements just After HPCD swapping)

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takahiro.yamamoto - 19:52 Tuesday 17 June 2025 (34269) Print this report

I updated line tracking parameters (JGW-L2314962).

All detected changes are coming from the planned commissioning activities.
- Chagens in foton Fig.1 are related to klog#34215 (k1calcs), klog#34270 (k1asc1, k1omc), and klog#34267 (k1visimmt1).
- Changes in guardian shown in Fig.2 are related to klog#34267 (NEW_paramsC, ALIGNMENT_RECORDER) and klog#34258 (LSC_LOCK)
- Changes in SDF tables shown in Fig.3-4 are related to klog#34271 (k1calcs), klog#34272 (k1asc1, k1visimmt1, k1visitmylsc), and klog#34266 (k1sdfmanage),
- No changes in the model (Fig.5).

Finally, I raised CFC_LACTCH and IFO guardian moved from CALIB_NOT_READY to READY.

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