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          Institute: MPI für Gravitationsphysik     Collection: Laser Interferometry & Gravitational Wave Astronomy     Display Documents



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ID: 442879.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Coating thermal noise of a finite-size cylindrical mirror
Authors:Somiya, Kentaro; Yamamoto, Kazuhiro
Date of Publication (YYYY-MM-DD):2009-05
Title of Journal:Physical Review D
Volume:79
Issue / Number:10
Sequence Number of Article:102004
Review Status:not specified
Audience:Not Specified
Abstract / Description:Thermal noise of a mirror is one of the limiting noise sources in the high-precision measurement such as gravitational-wave detection, and the modeling of thermal noise has been developed and refined over a decade. In this paper, we present a derivation of coating thermal noise of a finite-size cylindrical mirror based on the fluctuation-dissipation theorem. The result agrees to a previous result with an infinite-size mirror in the limit of large thickness, and also agrees to an independent result based on the modal-expansion method with a thin-mirror approximation. Our study will play an important role not only to accurately estimate the thermal-noise level of gravitational-wave detectors but also to help in analyzing thermal noise in quantum-measurement experiments with lighter mirrors.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
Identifiers:ISI:000266501900010 [ID No:1]
ISSN:1550-7998 [ID No:2]
DOI:10.1103/PhysRevD.79.102004
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