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IOO (Laser Bench)
keiko.kokeyama - 10:25 Tuesday 19 September 2017 (3379) Print this report
Coherence btw PSL table ACC and REFCAV err

As requested by Nakano-kun, a plot showing the coherence btw PSL table ACC and REFCAV err is attached here. There are high coherence at 75 Hz and a little coherence at ~40Hz.

For your information, K1:PSL-PMC_REFL_DC_OUT_DQ channel was connected to the accelerometer placed on the PSL table temporarily, from UTC 9/15 6:10:00 for about two hours (thanks to Nogai-kun!). If you would like to investigate the coherence more, please use that channel and the timing.

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