Research theme for competitive and other funds (14):
2017 - 2022 Development of high precise amplitude and phase calibrator of gravitational waves
2014 - 2019 Detection of gravitational waves with a cryogenic interferometer
2014 - 2018 Reduction of Observation Deadtime of Gravitational wave Telescope KAGRA
2009 - 2014 Ultra high energy physics with measurements of cosmic microwave background polarization
2010 - 2013 Development of an ultra-stable laser system using a cryogenic optical cavity for optical lattice clocks
2010 - 重力波検出実験
2007 - 2008 Gravity Induced Fieldの研究
2004 - 2005 STUDY ON AN INNOVATIVE VIBRATION-CANCELLATION METHOD FOR A PULSE TUBE CRYOCOOLER
2002 - 2005 低温懸架系の開発
2004 - 2004 低温大型重力波検出器へのサファイア固相接合の適用の研究
1999 - 2000 Development of vibration Isolation system using high-performance damping metal
1989 - 1989 大型低温重力波検出装置による天体からの連続重力波の研究
1988 - 1988 超新星1987Aからの連続動波検出の基礎研究
Detection of Gravitational Wave
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MISC (10):
R Bajpai, T Tomaru, N Kimura, T Ushiba, K Yamamoto, T Suzuki, T Honda. Vibration analysis of KAGRA cryostat at cryogenic temperature. Class. Quant. Phys. 39(2022)165004(11pp). 2022
T.Ushiba, T.Akutsu, S.Araki, R.Bajpai, D.Chen, K.Craig, Y.Enomoto, A.Hagiwara, S.Haino, Y.Inoue, et al. Cryogenic suspension design for a kilometer-scale gravitational-wave detector. Class. Quant. Grav. 38(2021)085013. 2021
T.Yamada, T.Tomaru, T.Suzuki, T.Ushiba, N.Kimura, S.Takada, Y.Inoue, T.Kajita. High performance thermal link with small spring constant for cryogenic applications. Cryogenics 116(2021)103280. 2021
T.Akutsu, KAGRA collaboration. An arm length stabilization system for KAGRA and future gravitational-wave detectors. Class. Quant. Grav. 37(2020)035004. 2020
Kunihiko Hasegawa, Tomotada Akutsu, Nobuhiro Kimura, Yoshio Saito, Toshikazu Suzuki, Takayuki Tomaru, Ayako Ueda, Shinji Miyoki. Molecular absorbed layer formation on cooled mirrors and its impacts on cryogenic gravitational wave telescopes. Phys.Rev.D99(2019)022003. 2019