Downselect of the signal extraction scheme for LCGT

K. Kokeyama, S. Sato, F. Kawazoe, K. Somiya, Mitsuhiro Fukushima, S. Kawamura, Akio Sugamoto

研究成果: Article

抄録

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.

本文言語English
ページ(範囲)424-431
ページ数8
ジャーナルJournal of Physics: Conference Series
32
1
DOI
出版ステータスPublished - 2006 3 2
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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