Light Deflection and Modulation by Opto-Acoustic Effect.

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作者：
Torguet, Roger
Bauza, Jean Marie
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Onde Electrique | 1973年 / 53卷 / 10期
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摘要：
Diffraction of light by ultrasonic waves permits realization of high speed light modulators and deflectors. The maximum angle delta THETA of deflection is proportional to the index of refraction n of the material and inversely proportional to the width W of the ultrasonic beam and to the ultrasonic frequency F: delta THETA equals 2 nV/FW. High efficiencies up to 95% canbe achieved with driving power less than one watt. An experiment of TV projection shows that the systems are very fast and have numerous applications.
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页码：384 / 392
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