Fluctuation-dissipation theorem for thermo-refractive noise. Formulation Some applications Proof Discussion. Y. Levin, Leiden University. Physics Letters A, 372, 1941 (2008). Thermo-refractive noise. Braginsky, Gorodetsky, & Vyatchanin 2000. medium. Index of refraction:.
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Fluctuation-dissipation theorem for thermo-refractive noise
Y. Levin, Leiden University
Physics Letters A, 372, 1941 (2008)
Braginsky, Gorodetsky, & Vyatchanin 2000
Index of refraction:
δφ(t)= ∫ I(r)k δT(r,t) d r
Callen and Welton 51, L. 98
1. oscillatingentropy injection
2. Compute/measuredissipatedpower, e.g.
Application 1: coating thermo-refractive noise.
Identical to Braginsky, Gorodetsky, & Vyatchanin 2000
Application 2: coating thermo-optical noise
Evans, et al. 08
for dense packing,
FdT theorem is just as easy to use
for thermal variable as for mechanical one.