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  Development of a signal-extraction scheme for resonant sideband extraction

Kokeyama, K., Somiya, K., Kawazoe, F., Sato, S., & Kawamura, S. (2008). Development of a signal-extraction scheme for resonant sideband extraction. Classical and Quantum Gravity, 25(23): 235013. doi:10.1088/0264-9381/25/23/235013.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-1361-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-1363-3
Genre: Journal Article

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cqg8_23_235013.pdf (Publisher version), 371KB
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Kokeyama, K.1, Author
Somiya, Kentaro2, Author
Kawazoe, F.1, Author
Sato, S.3, Author
Kawamura, S.1, Author
Affiliations:
1External Organizations, Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1, Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan, ou_persistent22              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24010              
3External Organizations, National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan, ou_persistent22              

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 Abstract: As a future plan, an advanced gravitational-wave detector will employ an optical configuration of resonant sideband extraction (RSE), achieved with an additional mirror at the signal-detection port of the power-recycled Fabry–Perot Michelson interferometer. To control the complex coupled cavity system, one of the most important design issues is how to extract the longitudinal control signals of the cavities. We have developed a new signal-extraction scheme which provides an appropriate sensing matrix. The new method uses two sets of sidebands: one of the sideband components satisfies the critical coupling condition for the RSE interferometer and reaches the signal-extraction port, and the other sideband is completely reflected by the Michelson interferometer. They provide a diagonalized sensing matrix and enable the RSE control to be robust.

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 Dates: 2008-12-07
 Publication Status: Published online
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 Rev. Method: Peer
 Identifiers: eDoc: 398255
DOI: 10.1088/0264-9381/25/23/235013
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 25 (23) Sequence Number: 235013 Start / End Page: - Identifier: ISSN: 0264-9381