Fiber-Optic Ultrasonic Hydrophone Using Short Fabry-Perot Cavity with Multilayer Reflectors
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概要
- 論文の詳細を見る
Fiber-optic probe with dielectric multilayer films deposited on an optical fiber is studied for mega-hertz detection in water. A short Fabry-Perot cavity with distributed reflectors is attached on the fiber end. Ultrasonic waves at 1.56 MHz are successfully detected in water with a good signal-to-noise ratio. The working principle and the characteristics are studied by comparing the ultrasonic sensitivity with that of a conventional piezoelectric hydrophone.
- 2012-08-20
著者
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Nakamura Kentaro
Precision And Intelligence Lab. Tokyo Inst. Of Technol.
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Mizuno Yosuke
Precision And Intelligence Laboratory Tokyo Institute Of Technology
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Mizuno Yosuke
Precision and Intelligence Laboratory, Tokyo Institute of Technology
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KIM Kyung-Su
Precision and Intelligence Laboratory, Tokyo Institute of Technology
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