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  Towards measuring the off-resonant thermal noise of a pendulum mirror

Leonhardt, V., Ribichini, L., Kloevekorn, P., Willke, B., Lück, H., & Danzmann, K. (2002). Towards measuring the off-resonant thermal noise of a pendulum mirror. Classical and Quantum Gravity, 19(7), 1717-1721. doi:10.1088/0264-9381/19/7/366.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-53B0-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-53B1-8
Genre: Journal Article

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3420.pdf (Publisher version), 91KB
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 Creators:
Leonhardt, Volker, Author
Ribichini, Luciano1, 2, Author
Kloevekorn, P.1, 2, Author
Willke, Benno2, Author              
Lück, Harald2, Author              
Danzmann, Karsten2, Author              
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: Thermal noise is one of the dominant noise sources in interferometric length measurements and can limit the sensitivity of gravitational wave detectors. Our goal is to analyse the off-resonant thermal noise of a high Q pendulum. Therefore we interferometrically detect the length changes of a 2.3 cm long optical resonator, which for good seismic isolation consists of two multiple stage pendulums. We are able to lock the length of this optical resonator to a frequency-stabilized laser beam and as a result get the spectral density of the differential mirror movement.

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Language(s): eng - English
 Dates: 2002-04-07
 Publication Status: Published in print
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 Identifiers: eDoc: 3420
DOI: 10.1088/0264-9381/19/7/366
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 19 (7) Sequence Number: - Start / End Page: 1717 - 1721 Identifier: -