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

Takahashi, R. and Arai, K. and Tatsumi, D. and Fukushima, M. and Yamazaki, T. and Fujimoto, M.-K. and Agatsuma, K. and Arase, Y. and Nakagawa, N. and Takamori, A. and Tsubono, K. and DeSalvo, R. and Bertolini, A. and Márka, S. and Saninbale, V. (2008) Operational status of TAMA300 with the seismic attenuation system (SAS). Classical and Quantum Gravity, 25 (11). Art. No. 114036. ISSN 0264-9381. https://resolver.caltech.edu/CaltechAUTHORS:TAKcqg08

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Abstract

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.


Item Type:Article
Additional Information:Copyright © Institute of Physics and IOP Publishing Limited 2008. Received 5 November 2007, in final form 25 December 2007. Published 15 May 2008. Print publication: Issue 11 (7 June 2008). This work was supported by the Grant-in-Aid for Scientific Research of the Ministry of Education, Culture, Sports, Science and Technology (09NP0801 in Creative Scientific Research and 415 in Priority Areas). Developments of the TAMA SAS were supported by the Advanced Technology Center of National Astronomical Observatory of Japan and the U.S. National Science Foundation under Cooperative Agreement No PHY-0107417. INVITED AMALDI TALK. Special issue: Proceedings of the 18th International Conference on General Relativity and Gravitation (GRG18) and 7th Edoardo Amaldi Conference on Gravitational Waves (Amaldi7), Sydney, Australia, July 2007 http://www.iop.org/EJ/toc/0264-9381/25/11
Issue or Number:11
Record Number:CaltechAUTHORS:TAKcqg08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:TAKcqg08
Alternative URL:http://dx.doi.org/ 10.1088/0264-9381/25/11/114036
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10563
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:19 May 2008
Last Modified:03 Oct 2019 00:10

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