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  Experimental investigation of a control scheme for a zero-detuning resonant sideband extraction interferometer for next-generation gravitational-wave detectors

Kawazoe, F., Sugamoto, A., Leonhardt, V., Sato, S., Yamazaki, T., Fukushima, M., et al. (2008). Experimental investigation of a control scheme for a zero-detuning resonant sideband extraction interferometer for next-generation gravitational-wave detectors. Classical and Quantum Gravity, 25(19): 195008. doi:10.1088/0264-9381/25/19/195008.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-13D7-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-13D9-E
Genre: Journal Article

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Kawazoe, Fumiko1, Author
Sugamoto, Akio2, Author
Leonhardt, Volker2, Author
Sato, Shuichi2, Author
Yamazaki, Toshitaka2, Author
Fukushima, Mitsuhiro2, Author
Kawamura, Seiji2, Author
Miyakawa, Osamu2, Author
Somiya, Kentaro1, Author
Morioka, Tomoko2, Author
Nishizawa, Atsushi2, Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24010              
2External Organizations, ou_persistent22              

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 Abstract: Some next-generation gravitational-wave detectors, such as the American Advanced LIGO project and the Japanese LCGT project, plan to use power recycled resonant sideband extraction (RSE) interferometers for their interferometer's optical configuration. A power recycled zero-detuning (PRZD) RSE interferometer, which is the default design for LCGT, has five main length degrees of freedom that need to be controlled in order to operate a gravitational-wave detector. This task is expected to be very challenging because of the complexity of optical configuration. A new control scheme for a PRZD RSE interferometer has been developed and tested with a prototype interferometer. The PRZD RSE interferometer was successfully locked with the control scheme. It is the first experimental demonstration of a PRZD RSE interferometer with suspended test masses. The result serves as an important step for the operation of LCGT.

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 Dates: 2008-10-07
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: eDoc: 398429
DOI: 10.1088/0264-9381/25/19/195008
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 25 (19) Sequence Number: 195008 Start / End Page: - Identifier: ISSN: 0264-9381