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



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ID: 297977.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Optical characterization of ultrahigh diffraction efficiency gratings
Authors:Bunkowski, Alexander; Burmeister, Oliver; Clausnitzer, Tina; Kley, E. B.; Tünnermann, Andreas; Danzmann, Karsten; Schnabel, Roman
Language:English
Date of Publication (YYYY-MM-DD):2006-08-10
Title of Journal:Applied Optics
Journal Abbrev.:Appl. Optics
Volume:45
Issue / Number:23
Start Page:5795
End Page:5799
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We report on the optical characterization of an ultrahigh diffraction efficiency grating in a first-order Littrow configuration. The apparatus used was an optical cavity built from the grating under investigation and an additional high-reflection mirror. The measurement of the cavity finesse provided precise information about the grating's diffraction efficiency and its optical loss. We measured a finesse of 1580 from which we deduced a diffraction efficiency of (99.635±0.016)% and an overall optical loss due to scattering and absorption of just 0.185%. Such high-quality gratings, including the tool used for their characterization, might apply for future gravitational wave detectors. For example, the demonstrated cavity itself presents an all-reflective, low-loss Fabry-Perot resonator that might replace conventional arm cavities in advanced high-power Michelson interferometers.
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
External Affiliations:Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany.; Univ Hannover, D-30167 Hannover, Germany.; Univ Jena, Inst Angew Phys, D-07743 Jena, Germany.
Identifiers:ISI:000239779900001 [ID No:1]
ISSN:0003-6935 [ID No:2]
DOI:10.1364/AO.45.005795
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