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Tytuł pozycji:

Characterization of the room temperature payload prototype for the cryogenic interferometric gravitational wave detector KAGRA.

Tytuł:
Characterization of the room temperature payload prototype for the cryogenic interferometric gravitational wave detector KAGRA.
Autorzy:
Peña Arellano FE; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Sekiguchi T; Institute for Cosmic Ray Research, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8582, Japan.
Fujii Y; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Takahashi R; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Barton M; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Hirata N; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Shoda A; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
van Heijningen J; National Institute for Subatomic Physics, Nikhef Science Park 105, 1098 XG Amsterdam, The Netherlands.
Flaminio R; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
DeSalvo R; Waves Group, University of Sannio at Benevento, Benevento I-82100, Italy.
Okutumi K; SOKENDAI, The Graduate University for Advanced Studies, Shonan Village, Hayama, Kanagawa 240-0193, Japan.
Akutsu T; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Aso Y; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Ishizaki H; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Ohishi N; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan.
Yamamoto K; Institute for Cosmic Ray Research, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8582, Japan.
Uchiyama T; Institute for Cosmic Ray Research, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8582, Japan.
Miyakawa O; Institute for Cosmic Ray Research, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8582, Japan.
Kamiizumi M; Institute for Cosmic Ray Research, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8582, Japan.
Takamori A; Earthquake Research Institute, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan.
Majorana E; Istituto Nazionale di Fisica Nucleare, INFN, P.le A. Moro 2, I-00185 Rome, Italy.
Agatsuma K; National Institute for Subatomic Physics, Nikhef Science Park 105, 1098 XG Amsterdam, The Netherlands.
Hennes E; National Institute for Subatomic Physics, Nikhef Science Park 105, 1098 XG Amsterdam, The Netherlands.
van den Brand J; National Institute for Subatomic Physics, Nikhef Science Park 105, 1098 XG Amsterdam, The Netherlands.
Bertolini A; National Institute for Subatomic Physics, Nikhef Science Park 105, 1098 XG Amsterdam, The Netherlands.
Źródło:
The Review of scientific instruments [Rev Sci Instrum] 2016 Mar; Vol. 87 (3), pp. 034501.
Typ publikacji:
Journal Article
Język:
English
Imprint Name(s):
Publication: 1933- : Woodbury, N.Y. : American Institute Of Physics
Original Publication: 1930-1932 : Menasha, WI : Optical Society of America
Entry Date(s):
Date Created: 20160403 Date Completed: 20160822 Latest Revision: 20160402
Update Code:
20240104
DOI:
10.1063/1.4942909
PMID:
27036793
Czasopismo naukowe
KAGRA is a cryogenic interferometric gravitational wave detector currently under construction in the Kamioka mine in Japan. Besides the cryogenic test masses, KAGRA will also rely on room temperature optics which will hang at the bottom of vibration isolation chains. The payload of each chain comprises an optic, a system to align it, and an active feedback system to damp the resonant motion of the suspension itself. This article describes the performance of a payload prototype that was assembled and tested in vacuum at the TAMA300 site at the NAOJ in Mitaka, Tokyo. We describe the mechanical components of the payload prototype and their functionality. A description of the active components of the feedback system and their capabilities is also given. The performance of the active system is illustrated by measuring the quality factors of some of the resonances of the suspension. Finally, the alignment capabilities offered by the payload are reported.

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