Interferometer_sensitivity_studies (General)tournefier - 16:55 Thursday 16 July 2009 (23760)
Print this reportInvestigation 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?