Directional laser generation and detection of ultrasound with arrays of optical fibers |
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Authors: | Yves H Berthelot Jacek Jarzynski |
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Affiliation: | 1. School of Mechanical Engineering, Georgia Institute of Technology, 30332-0405, Atlanta, Georgia
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Abstract: | Some aspects of the generation and detection of ultrasound with laser beams are presented. The objective of the study is (1) to present some experimental results on the generation of ultrasound with an array of optical fibers, (2) to discuss the possibility of generating directional surface waves with acousto-optic scanning in a very narrow frequency band, thus increasing the signal-to-noise ratio, and (3) to discuss the feasibility of the directional detection of ultrasound by using an array of optical fibers as a receiver, also with the goal of increasing the signal-to-noise ratio. |
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Keywords: | Laser ultrasonics directional ultrasound arrays of optical fibers thermoacoustic arrays |
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