Thermo-optic noise in coated mirrors for high-precision optical measurements
General Relativity and Quantum Cosmology
2008-11-26 v1
Abstract
Thermal fluctuations in the coatings used to make high-reflectors are becoming significant noise sources in precision optical measurements and are particularly relevant to advanced gravitational wave detectors. There are two recognized sources of coating thermal noise, mechanical loss and thermal dissipation. Thermal dissipation causes thermal fluctuations in the coating which produce noise via the thermo-elastic and thermo-refractive mechanisms. We treat these mechanisms coherently, give a correction for finite coating thickness, and evaluate the implications for Advanced LIGO.
Cite
@article{arxiv.0807.4774,
title = {Thermo-optic noise in coated mirrors for high-precision optical measurements},
author = {M. Evans and S. Ballmer and M. Fejer and P. Fritschel and G. Harry and G. Ogin},
journal= {arXiv preprint arXiv:0807.4774},
year = {2008}
}