Transmission and Detection of Light Diffraction Signal by Low-Frequency Ultrasonic Wave
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概要
- 論文の詳細を見る
Measurement of low-frequency ultrasonic waves in water was examined by the light diffraction effect of a visible laser beam. This laser beam was much narrower than the ultrasonic wavelength. Characteristics of detected signals agreed well with the theoretical prediction based on Fraunhofer diffraction. As shown in the results, light diffraction waves transmitted through a polarization-maintaining fiber could be detected correctly. The results enable us to construct a novel optical fiber sensor which will be used for the detection of low-frequency ultrasonic waves as well as the transmission of light diffraction signals.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-09-15
著者
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Sonoda Yoshito
Department Of Electrical And Electronic System Kyushu Tokai University
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Sakoda Tatsuya
Department Of Electrical And Electronic Engineering Faculty Of Engineering University Of Miyazaki
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Sakoda Tatsuya
Department of Electrical System and Computer Engineering, Sojo University, 4-22-1 Ikeda, Kumamoto 860-0082, Japan
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Sonoda Yoshito
Department of Electrical and Electronic System, Kyushu Tokai University, 9-1-1 Toroku, Kumamoto 862-8652, Japan
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