Thermoelastic-damping noise from sapphire mirrors in a fundamental-noise-limited interferometer

Details Thermoelastic-damping noise from sapphire mirrors in a fundamental-noise-limited interferometer Thermoelastic-damping noise from sapphire mirrors in a fundamental-noise-limited interferometer

2004-10-06

arxiv.org/abs/gr-qc/0410028v1

Phys.Rev.Lett. 93 (2004) 241101

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.93.241101

We report the first high-precision interferometer using large sapphire mirrors, and we present the first direct, broadband measurements of the fundamental thermal noise in these mirrors. Our results agree well with the thermoelastic-damping noise predictions of Braginsky, et al. [Phys. Lett. A 264, 1(1999)] and Cerdonio, et al.[Phys. Rev. D 63, 082003 (2001)], which have been used to predict the astrophysical reach of advanced interferometric gravitational wave detectors.

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