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Interferometer_sensitivity_studies (General)
tournefier - 16:55 Thursday 16 July 2009 (23760) Print this report
Investigation of sensitivity vs finesse asymetry
Here is a comparison of the data shown in Finesse asymmetry versus sensitivity for 'good' beta (beta=+0.3e-3 in blue) and 'bad' beta (beta=-0.4e-3 in red) several differences can be noticed:
- a general increase of the floor
- some lines show up at 52.9, 108, 147 and 575 Hz.

575 Hz sounds to me like some TCS line but I can't be sure.

Identifying the 'owner' of these lines would help to understand why negative betas are so bad. Does anyone have a clue?
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