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          Document History for Document ID 3420

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Document Version Version Comment Date Status
3420.0 [No comment] 25.03.2009 09:23 Released

ID: 3420.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Towards measuring the off-resonant thermal noise of a pendulum mirror
Authors:Leonhardt, Volker; Ribichini, Luciano; Kloevekorn, P.; Willke, Benno; Lück, Harald; Danzmann, Karsten
Language:English
Date of Publication (YYYY-MM-DD):2002-04-07
Title of Journal:Classical and Quantum Gravity
Volume:19
Issue / Number:7
Start Page:1717
End Page:1721
Review Status:Peer-review
Audience:Not Specified
Abstract / Description: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.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
Identifiers:DOI:10.1088/0264-9381/19/7/366
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