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  Downselect of the signal extraction scheme for LCGT

Kawazoe, F., Kokeyama, K., Sato, S., Somiya, K., Fukushima, M., Kawamura, S., et al. (2006). Downselect of the signal extraction scheme for LCGT. Journal of Physics: Conference Series, 32, 424-431.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-4CAC-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-4CAD-7
Genre: Conference Paper

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jpconf6_32_065.pdf (Publisher version), 148KB
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Kawazoe, Fumiko1, Author           
Kokeyama, Keiko, Author
Sato, S., Author
Somiya, K.1, Author           
Fukushima, Mitsuhiro, Author
Kawamura, Seiji, Author
Sugamoto, A., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: Large Cryogenic Gravitational wave Telescope (LCGT) is the future Japanese gravitational-wave detector. It will employ the broadband resonant sideband extraction (RSE) as its optical configuration. We compared four signal extraction schemes that have been proposed so as to downselect one of them as the scheme for LCGT. The selected scheme uses the phase and amplitude modulation sidebands: the phase modulation sidebands transmitting to the antisymmetric port (AP) and the amplitude modulation sidebands reffected to the symmetric port (SP) by the functions of the Michelson asymmetry. Using these sidebands, a new technique called 'delocation' is applicable. One advantage is that the control signals of the undesired signals do not appear at the AP, where the differential signals appear.

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 Dates: 2006
 Publication Status: Issued
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 Identifiers: eDoc: 318012
URI: http://www.iop.org/EJ/abstract//1742-6596/32/1/065
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Title: Sixth Edoardo Amaldi Conference on Gravitational Waves
Place of Event: Bankoku Shinryoukan, Okinawa, Japan
Start-/End Date: 2005-06-20 - 2005-06-24

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Title: Journal of Physics: Conference Series
Source Genre: Journal
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Pages: - Volume / Issue: 32 Sequence Number: - Start / End Page: 424 - 431 Identifier: -