Operational status of TAMA300 with the seismic attenuation system (SAS)

被引：25

作者：

Takahashi, R. ^{[1
]}

Arai, K. ^{[1
]}

Tatsumi, D. ^{[1
]}

Fukushima, M. ^{[1
]}

Yamazaki, T. ^{[1
]}

Fujimoto, M-K ^{[1
]}

Agatsuma, K. ^{[2
]}

Arase, Y. ^{[3
]}

Nakagawa, N. ^{[2
]}

Takamori, A. ^{[4
]}

Tsubono, K. ^{[5
]}

DeSalvo, R. ^{[6
]}

Bertolini, A. ^{[7
]}

Marka, S. ^{[8
]}

Sannibale, V. ^{[6
]}

机构：

[1] Natl Astron Observ, Tokyo 1818588, Japan

[2] Univ Tokyo, Inst Cosm Ray Res, Chiba 2778582, Japan

[3] Univ Tokyo, Dept Astron, Tokyo 1130033, Japan

[4] Univ Tokyo, Earthquake Res Inst, Bunkyo Ku, Tokyo 1130032, Japan

[5] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[6] CALTECH, Pasadena, CA 91125 USA

[7] DESY, D-22607 Hamburg, Germany

[8] Columbia Univ, New York, NY 10027 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2008年 / 25卷 / 11期

关键词：

D O I：

10.1088/0264-9381/25/11/114036

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

TAMA300 has been upgraded to improve the sensitivity at low frequencies after the last observation run in 2004. To avoid the noise caused by seismic activities, we installed a new seismic isolation system-the TAMA seismic attenuation system (SAS). Four SAS towers for the test-mass mirrors were sequentially installed from 2005 to 2006. The recycled Fabry-Perot Michelson interferometer was successfully locked with the SAS. We confirmed the reduction of both length and angular fluctuations at frequencies higher than 1 Hz owing to the SAS.

引用

页数：8

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