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Adaptive vibration measurement of the speckle-pattern using polarization self-modulation effect in GaP

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Abstract

We present the adaptive measurement of nanometer-scale vibrations of diffuse surfaces using the polarization self-modulation effect in a photorefractive GaP crystal. The sensitivity is investigated as a function of an applied electric field, an intensity of incident light, and a mean size of speckles.

© 1999 Optical Society of America

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