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acousto optics

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Acousto-optics is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound (or sound in general) through an ultrasonic grating.

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Telecommunication Standard Terms Dictionary

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acousto optics
The discipline devoted to the interactions between acoustic waves and light waves in a material medium. (188 ) [After 2196] Note: Acoustic waves can be made to modulate, deflect, and/or focus light waves by causing a variation in the refractive index of the medium.

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