Reports until 12:44, Wednesday 16 October 2019
H1 CAL
yannick.lecoeuche@LIGO.ORG - posted 12:44, Wednesday 16 October 2019 (52456)
Pcal EY End Station Calibration (10/11)

[Dripta, Niko]

Dripta and I went to EY to perform an end station calibration after the beam alignment/BS adjustment that happened the day before (see alog 52454). The results show changes between the inner and outer beams that one would expect when the power imbalance is reduced, but the collective ratios are all in line with previous measurements.

Beam alignment on the Rx integrating sphere aperture is the same as after it was adjusted the day before (will post new alignment pictures once they're sent to me).

Non-image files attached to this report