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ID: 334871.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Photon-pressure-induced test mass deformation in gravitational-wave detectors
Authors:Hild, Stefan; Brinkmann, Marc; Danzmann, Karsten; Grote, Hartmut; Hewitson, Martin; Hough, J.; Lück, Harald; Martin, Ian; Mossavi, Kasem; Rainer, N.; Reid, S.; Smith, J. R.; Strain, Ken A.; Weinert, Michael; Willems, P.; Willke, Benno; Winkler, Walter
Date of Publication (YYYY-MM-DD):2007-11-21
Title of Journal:Classical and Quantum Gravity
Volume:24
Issue / Number:22
Start Page:5681
End Page:5688
Review Status:not specified
Audience:Not Specified
Abstract / Description:A widely used assumption within the gravitational-wave community has so far been that a test mass acts like a rigid body for frequencies in the detection band, i.e. for frequencies far below the first internal resonance. In this paper, we demonstrate that localized forces, applied for example by a photon pressure actuator, can result in a non-negligible elastic deformation of the test masses. For a photon pressure actuator setup used in the gravitational-wave detector GEO 600, we measured that this effect modifies the standard response function by 10% at 1 kHz and about 100% at 2.5 kHz.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Observational Relativity and Cosmology
Identifiers:ISI:000251428400025 [ID No:1]
ISSN:0264-9381 [ID No:2]
DOI:10.1088/0264-9381/24/22/025
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