Abstract

The performance of an adaptive interferometer based on mixing of light waves with different polarization states in a photorefractive GaP crystal at $\lambda =0.633 \mathit{\mu }\mathrm{m}$ is described. Both high sensitivity and fast response time are achieved with a low-power He–Ne laser. The parameters of the interferometer are appropriate for remote ultrasound detection in an industrial environment.

© 2002 Optical Society of America

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