Experimental study of the thermal noise of mirrors with an inhomogeneous loss used in gravitational wave detectors

Kazuhiro Yamamoto; Shigemi Otsuka; Yoshikatsu Nanjo; Masaki Ando; Kimio Tsubono

doi:10.1016/j.physleta.2003.12.024

Experimental study of the thermal noise of mirrors with an inhomogeneous loss used in gravitational wave detectors

Kazuhiro Yamamoto^*, Shigemi Otsuka, Yoshikatsu Nanjo, Masaki Ando, Kimio Tsubono

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Our recent theoretical research [Phys. Lett. A 305 (2002) 18] showed that the actual thermal noise of mirrors with an inhomogeneous loss in interferometric gravitational wave detectors is largely different from the traditional evaluation by modal expansion. We have tested this prediction experimentally using an oscillator similar to a mirror. The experimental result was consistent with our previous Letter.

Original language	English
Pages (from-to)	79-86
Number of pages	8
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	321
Issue number	2
DOIs	https://doi.org/10.1016/j.physleta.2003.12.024
State	Published - 2004/01/26

Keywords

Direct approach
Drum
Inhomogeneous loss
Interferometric gravitational wave detector
Modal expansion
Thermal noise of mirror

ASJC Scopus subject areas

General Physics and Astronomy

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10.1016/j.physleta.2003.12.024

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title = "Experimental study of the thermal noise of mirrors with an inhomogeneous loss used in gravitational wave detectors",

abstract = "Our recent theoretical research [Phys. Lett. A 305 (2002) 18] showed that the actual thermal noise of mirrors with an inhomogeneous loss in interferometric gravitational wave detectors is largely different from the traditional evaluation by modal expansion. We have tested this prediction experimentally using an oscillator similar to a mirror. The experimental result was consistent with our previous Letter.",

keywords = "Direct approach, Drum, Inhomogeneous loss, Interferometric gravitational wave detector, Modal expansion, Thermal noise of mirror",

author = "Kazuhiro Yamamoto and Shigemi Otsuka and Yoshikatsu Nanjo and Masaki Ando and Kimio Tsubono",

note = "Funding Information: We are grateful to O. Tachikawa for coating the disks of the drum by vacuum evaporation. This research was supported in part by Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists, and by a Grant-in-Aid for Creative Basic Research of the Ministry of Education. ",

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doi = "10.1016/j.physleta.2003.12.024",

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T1 - Experimental study of the thermal noise of mirrors with an inhomogeneous loss used in gravitational wave detectors

AU - Yamamoto, Kazuhiro

AU - Otsuka, Shigemi

AU - Nanjo, Yoshikatsu

AU - Ando, Masaki

AU - Tsubono, Kimio

N1 - Funding Information: We are grateful to O. Tachikawa for coating the disks of the drum by vacuum evaporation. This research was supported in part by Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists, and by a Grant-in-Aid for Creative Basic Research of the Ministry of Education.

PY - 2004/1/26

Y1 - 2004/1/26

N2 - Our recent theoretical research [Phys. Lett. A 305 (2002) 18] showed that the actual thermal noise of mirrors with an inhomogeneous loss in interferometric gravitational wave detectors is largely different from the traditional evaluation by modal expansion. We have tested this prediction experimentally using an oscillator similar to a mirror. The experimental result was consistent with our previous Letter.

AB - Our recent theoretical research [Phys. Lett. A 305 (2002) 18] showed that the actual thermal noise of mirrors with an inhomogeneous loss in interferometric gravitational wave detectors is largely different from the traditional evaluation by modal expansion. We have tested this prediction experimentally using an oscillator similar to a mirror. The experimental result was consistent with our previous Letter.

KW - Direct approach

KW - Drum

KW - Inhomogeneous loss

KW - Interferometric gravitational wave detector

KW - Modal expansion

KW - Thermal noise of mirror

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VL - 321

SP - 79

EP - 86

JO - Physics Letters, Section A: General, Atomic and Solid State Physics

JF - Physics Letters, Section A: General, Atomic and Solid State Physics

IS - 2

ER -

Experimental study of the thermal noise of mirrors with an inhomogeneous loss used in gravitational wave detectors

Abstract

Keywords

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