2021/1/29
We measured YPcal noise.
Guesses or results obtained:
1. We could not observe big oscillation.
2. Observed small oscillations(57MHz, 83kHz) were not reduced by our special connectors.
3. Electrical noise of YPcal is very small.
4. The original laser noise of YPcal seems large.
Detailed report: https://dac.icrr.u-tokyo.ac.jp/KAGRA/DAWG/CAL/PCAL/exp_KAGRA/210129
