Thermo-optic noise in coated mirrors for high-precision optical measurements

被引：97

作者：

Evans, M. ^{[1
]}

Ballmer, S. ^{[2
]}

Fejer, M. ^{[3
]}

Fritschel, P. ^{[1
]}

Harry, G. ^{[1
]}

Ogin, G. ^{[2
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

[2] CALTECH, Pasadena, CA 91125 USA

[3] Stanford Univ, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW D | 2008年 / 78卷 / 10期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.78.102003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 thermoelastic and thermorefractive mechanisms. We treat these mechanisms coherently, give a correction for finite coating thickness, and evaluate the implications for Advanced LIGO.

引用

页数：10

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