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. == Introduction == In general, acousto-optic effects are based on the change of the refractive index of a medium due to the presence of sound waves in that medium.
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. == Introduction == In general, acousto-optic effects are based on the change of the refractive index of a medium due to the presence of sound waves in that medium.
Source: Wikipedia "Acousto-optics" · CC BY-SA 4.0
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