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VIS (BS)
fabian.arellano - 13:38 Friday 16 August 2019 (9991) Print this report
Optic residual motion on 15-08-2019.

 Yesterday I measured the residual motion of the BS optic. I specifically took a look to the yaw motion because it was reported by Nakano-kun it was larger than usual.

Directory: /kagra/Dropbox/Subsystems/VIS/TypeBData/BS/Noise/Measurements/20190815/

Files: BS_ALIGNED_INERTIAL_OFF_TM_OPLEV_ASD_Template.xml, BS_ALIGNED_INERTIAL_ON_TM_OPLEV_ASD_Template.xml

Inertial damping on:

  • Integrated RMS: 0.5 µrad.
  • At 50 mHz: 0.92 urad/rtHz.
  • At 180 mHz: 2.19 urad/rtHz (largest contributor to the intrgrated rms).
  • Picture: first.

Inertial damping off:

  • Integrated RMS: 0.73 µrad.
  • At 50 mHz: 1.4 urad/rtHz.
  • At 150 mHz: 3.9 urad/rtHz (largest contributor to integrated rms).
  • Picture: second.
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