LIGO Document T1200418-v3
- This is a writeup of a quick calculation to understand the measured violin mode Q of the MC2 suspension at LLO but is applicable to all HSTS. The interesting conclusion is that the violin mode Q is dominated by thermoelastic damping which has its peak nearby.
- Various refinements suggested by Jeff K, including a calculation of net thermal noise. Incorporate refitted Q’s from LLO alog 5280.
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