Presentation 2002/5/10
Study for a small variation of a pendulum using semiconductor lasers : Long term observation and its analysis
Shinya Maehara, Yasuaki Ohsawa, Takashi Sato, Takeo Maruyama, Masashi Ohkawa, Masataka Mizushima, Tsuneya Tsubokawa,
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Abstract(in English) A kind of small variations of a pendulum is reported as a result of a "gravito-radiative-force", which is one of the gravitational effects derived from the general theory of relativity. The same report also describes the experimental results in which two pendulums moved to the same direction at the same time due to the gravito-radiative-force. This study is planned to confirm this experimental result using the optical measurement system. Our experimental setup is located in a tunnel where we can expect very small level of external noises. We have observed the effects of earthquakes and tidal forces in our measurement.
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Paper # LQE2002-13
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Committee LQE
Conference Date 2002/5/10(1days)
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Registration To Lasers and Quantum Electronics (LQE)
Language JPN
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Title (in English) Study for a small variation of a pendulum using semiconductor lasers : Long term observation and its analysis
Sub Title (in English)
Keyword(1)
1st Author's Name Shinya Maehara
1st Author's Affiliation Graduate School of Science and Technology()
2nd Author's Name Yasuaki Ohsawa
2nd Author's Affiliation Graduate School of Science and Technology
3rd Author's Name Takashi Sato
3rd Author's Affiliation Faculty of Engineering, Niigata University
4th Author's Name Takeo Maruyama
4th Author's Affiliation Faculty of Engineering, Niigata University
5th Author's Name Masashi Ohkawa
5th Author's Affiliation Faculty of Engineering, Niigata University
6th Author's Name Masataka Mizushima
6th Author's Affiliation / National Astronomical Observatory, Mizusawa Astrogeodynamics Observatory
7th Author's Name Tsuneya Tsubokawa
7th Author's Affiliation
Date 2002/5/10
Paper # LQE2002-13
Volume (vol) vol.102
Number (no) 62
Page pp.pp.-
#Pages 4
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