Vibration isolation system with a compact damping system for power recycling mirrors of KAGRA

Akiyama, Y, Akutsu, T, Ando, M, Arai, K, Arai, Y, Araki, S, Araya, A, Aritomi, N, Asada, H, Aso, Y, Bae, S, Baiotti, L, Barton, M A, Cannon, K, Capocasa, E, Chen, C-S, Chiu, T-W, Cho, K, Chu, Y-K, Craig, K, Dattilo, V, Doi, K, Enomoto, Y, Flaminio, R, Fujii, Y, Fujimoto, M-K, Fukunaga, M, Fukushima, M, Furuhata, T, Haino, S, Hasegawa, K, Hashimoto, Y, Hashino, K, Hayama, K, Hirayama, T, Hirose, E, Hsieh, B H, Huang, C-Z, Ikenoue, B, Inoue, Y, Ioka, K, Itoh, Y, Izumi, K, Kaji, T, Kajita, T, Kakizaki, M, Kamiizumi, M, Kanbara, S, Kanda, N, Kanemura, S, Kang, G, Kasuya, J, Kawai, N, Kawasaki, T, Kim, C, Kim, W S, Kim, J, Kim, J C, Kimura, N, Kirii, S, Kitaoka, Y, Kitazawa, H, Kojima, Y, Kokeyama, K ORCID: https://orcid.org/0000-0002-2896-1992, Komori, K, Kong, A, Kotake, K, Kozu, R, Kumar, R, Kuo, H-S, Kuroki, S, Kuroyanagi, S, Lee, H K, Lee, H M, Lee, H W, Leonardi, M, Lin, C-Y, Lin, F-L, Liu, G C, Marchio, M, Matsui, T, Michimura, Y, Mio, N, Miyakawa, O, Miyamoto, A, Miyoki, S, Morii, W, Morisaki, S, Moriwaki, Y, Musha, M, Nagano, S, Nagano, K, Nakamura, K, Nakamura, T, Nakano, H, Nakano, M, Narikawa, T, Nguyen Quynh, L, Ni, W-T, Nishizawa, A, Obuchi, Y, Oh, J, Oh, S H, Ohashi, M, Ohishi, N, Ohkawa, M, Okutomi, K, Ono, K, Oohara, K, Ooi, C P, Pan, S-S, Paoletti, F, Park, J, Passaquieti, R, Peña Arellano, F E, Sago, N, Saito, S, Saito, Y, Sakai, K, Sakai, Y, Sasai, M, Sato, S, Sato, T, Sekiguchi, T, Sekiguchi, Y, Shibata, M, Shimoda, T, Shinkai, H, Shishido, T, Shoda, A, Someya, N, Somiya, K, Son, E J, Suemasa, A, Suzuki, T, Suzuki, T, Tagoshi, H, Tahara, H, Takahashi, H, Takahashi, R, Takeda, H, Tanaka, H, Tanaka, K, Tanaka, T, Tanioka, S, Tapia San Martin, E N, Tomaru, T, Tomura, T, Travasso, F, Tsubono, K, Tsuchida, S, Uchikata, N, Uchiyama, T, Uehara, T, Ueno, K, Uraguchi, F, Ushiba, T, van Putten, M H P M, Vocca, H, Wakamatsu, T, Watanabe, Y, Xu, W-R, Yamada, T, Yamamoto, K, Yamamoto, K, Yamamoto, S, Yamamoto, T, Yokogawa, K, Yokoyama, J, Yokozawa, T, Yoshioka, T, Yuzurihara, H, Zeidler, S and Zhu, Z-H 2019. Vibration isolation system with a compact damping system for power recycling mirrors of KAGRA. Classical and Quantum Gravity 36 (9) , 095015. 10.1088/1361-6382/ab0fcb

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Abstract

A vibration isolation system called the Type-Bp system used for power recycling mirrors has been developed for KAGRA, the interferometric gravitational-wave observatory in Japan. A suspension of the Type-Bp system passively isolates an optic from seismic vibration using three main pendulum stages equipped with two vertical vibration isolation systems. A compact reaction mass around each of the main stages allows for achieving sufficient damping performance with a simple feedback as well as vibration isolation ratio. Three Type-Bp systems were installed in KAGRA, and were proved to satisfy the requirements on the damping performance, and also on estimated residual displacement of the optics.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IOP Publishing
ISSN:	0264-9381
Date of First Compliant Deposit:	19 March 2021
Date of Acceptance:	14 March 2019
Last Modified:	14 Nov 2024 13:15
URI:	https://orca.cardiff.ac.uk/id/eprint/139926

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