Method Based on Laser Speckle Interferometry for Measuring Absolute In-Plane Vibrational Distribution of Piezoelectric Resonators
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概要
- 論文の詳細を見る
A full-field imaging method has been developed for rapidly measuring the absolute in-plane vibrational distribution of piezoelectric resonators. This method is based on the synchronized laser speckle method. To confirm the measurement accuracy, a quartz plate with a small mirror attached to a lateral surface is used. The plate is excited by an external ceramic vibrator, and the absolute vibrational displacement is measured with a Michelson interferometer with optical components, including the small mirror. The amplitude of the in-plane displacement is obtained from this data and the statistical processing of the captured speckle images and is compared with the displacement obtained with the Michelson interferometer. Experiments showed good agreement between the two displacements, validating the proposed method.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-05-30
著者
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Sekimoto Hitoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Ishii Sunao
Graduate School Of Science And Engineering Tokyo Metropolitan Univ.
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Goka Shigeyoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Tsuda Teruyoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Tsuda Teruyoshi
Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Watanabe Yasuaki
Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Watanabe Yasuaki
Graduate School of Engineering, Tokyo Metropolitan University, 1-1 Minamiosawa, Hachioji, Tokyo 192-0397, Japan
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Watanabe Yasuaki
Graduate School of Engineering, Tokyo Metropolitan University,
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