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VIS (SR2)
terrence.tsang - 9:37 Thursday 23 May 2019 (8949) Print this report
Comment to SR2 residual motion measurement - succeed (8945)

In the morning, while it's still quiet in the mine, I measured residual motion again. And, I would declare that, with all local control systems on, the SR2 satisfies the residual motion requirements for lock-acquisition phase and observation phase. Results will be presented in the type B paper.

Residual displacement (Lock-acqusition and Observation phase)

 
  Requirement Preliminary result
Longitudinal 0.4 µm 0.358 µm
Pitch 1 µrad 0.177 µrad
Yaw 1 µrad 0.405 µrad

 

Residual velocity (Lock-acqusition and Observation phase)
  Requirement Preliminary result
Longitudinal 0.5 µm/s 0.379 µm/s
Pitch / 0.425 µrad/s
Yaw/ / 0.414 µrad/s
 
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