Abstract

We report self-pumped phase conjugation in a Cu:KNSBN crystal for light diffusely reflected from a rough surface. We have demonstrated wave-front distortion compensation for diffuse reflection. We have experimentally studied the dependence of the phase-conjugation reflectivity on the f-number of a lens imaging the spot upon the diffuser into the crystal and on the size of the beam incident upon the diffuser surface. Finally, with a Michelson interferometer we observed the phase fluctuation of the phase-compensated wave front.

© 1995 Optical Society of America

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