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          Institute: MPI für Gravitationsphysik     Collection: Laser Interferometry & Gravitational Wave Astronomy     Display Documents



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ID: 410472.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Direct measurement of absorption-induced wavefront distortion in high optical power systems
Authors:Brooks, Aidan F.; Hosken, David; Munch, Jesper; Veitch, Peter J.; Yan, Zewu; Zhao, Chunnong; Fan, Yaohui; Ju, Li; Blair, David; Willems, Phil; Slagmolen, Bram; Degallaix, Jerome
Date of Publication (YYYY-MM-DD):2009-01-10
Title of Journal:Applied Optics
Volume:48
Issue / Number:2
Start Page:355
End Page:364
Review Status:not specified
Audience:Not Specified
Abstract / Description:Wavefront distortion due to absorption in the substrates and coatings of mirrors in advanced gravitational wave interfbrometers has the potential to compromise the operation and sensitivity of these intern ferometers [Opt. Lett. 29, 2635-2637 (2004)]. We report the first direct spatially-resolved measurement, to our knowledge, of such wavefront distortion in a high optical power cavity. The measurement was made using an ultrahigh sensitivity Hartmann wavefront sensor on a dedicated test facility. The sensitivity of the sensor was lambda/730, where lambda = 800 nm.
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:ISSN:0003-6935
DOI:10.1364/AO.48.000355
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