Optical Measurement System of Sound Pressure with Refracted Laser Light Propagated through an Acoustic Field
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概要
- 論文の詳細を見る
An optical measurement method using a laser beam is described for the quantitative measurement of acoustic fields. The light beam is refracted in the acoustic field because the distribution of densities forced by sound pressure generates a refractive index gradient in the medium. The characteristics of the acoustic field can be measured using a laser beam refracted by the acoustic field. To confirm the validity of the method, the acoustic field generated by a lead zirconate titanate (PZT) circular-plane transducer was measured for comparison with the characteristics obtained from a conventional hydrophone. We also measured harmonic contents, wave distortion due to the nonlinear effect of water, and subharmonics of the n/2th order (n: integer) caused by cavitation in water.
- 社団法人応用物理学会の論文
- 1997-05-30
著者
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Tsuchiya T
Department Of Electronics Doshisha University
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Endoh N
Kanagawa Univ. Yokohama Jpn
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Endoh Nobuyuki
Department Of Electrical Electronics And Information Engineering Kanagawa University
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Endoh Nobuyuki
Department Of Electrical Electronics And Information Engineering Faculty Of Engineering Kanagawa Uni
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NATORI Michiya
National Okura Hospital
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Natori Michiya
National Center For Child Health And Development
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Natori Michiya
National Ookura Hospital
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Tsuchiya Takenobu
Department Of Electrical Electronics And Information Engineering Kanagawa University
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Tsuchiya Takenobu
Department Of Electrical Electronics And Information Engineering Faculty Of Engineering Kanagawa Uni
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Tsuchiya Takenobu
Department Of Electrical Engineering Faculty Of Engineering Kanagawa University
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KITSU Katsuo
Department of Electrical Engineering, Faculty of Engineering, Kanagawa University
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IKENO Yasunori
Department of Electrical Engineering, Faculty of Engineering, Kanagawa University
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Kitsu Katsuo
Department Of Electrical Engineering Faculty Of Engineering Kanagawa University
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Ikeno Yasunori
Department Of Electrical Engineering Faculty Of Engineering Kanagawa University
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Tsuchiya Takenobu
Department of Electrical and Electronic Information Engineering, Kanagawa University, Yokohama 221-8624, Japan
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Endoh Nobuyuki
Department of Electrical and Electronic Information Engineering, Kanagawa University, Yokohama 221-8624, Japan
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