Detection of ultrasonic motion of a scattering surface by two-wave mixing in a photorefractive

Blouin, Alain; Monchalin, Jean-Pierre
August 1994
Applied Physics Letters;8/22/1994, Vol. 65 Issue 8, p932
Academic Journal
Describes the performance of an interferometric system based on two-wave mixing in a photorefractive gallium arsenide crystal. Incorporation of the wave scattered by the surface inside the photorefractive crystal; Features displayed by the system appropriate to industrial applications; Sensitivity of the system.


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