The open loop transfer functions of the Michelson locking have been measured.
The purpose of this excise is to calibrate the coil-magnet actuators on BS and ITMs.
The estimated actuation coefficients are :
BS = 3.69e-08 [m/counts]
ITMX = 8.89e-09 [m/counts]
ITMY = 9.22e-09 [m/counts]
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