R&D (FilterCavity)
YuhangZhao - 21:45, Wednesday 16 May 2018 (780)
Comment to Comparison of old and new servo (Click here to view original report: 760)

Corresponding to the comment of Eleonora, the bandwidth of filter cavity for infrared is 114Hz but not 55Hz. Then I think we can explain the result (almost).

bandwidth=FSR/Finesse=500000/4355=114