Abstract

A laser profile consisting of 113 coupled Gaussian waves is obtained in a cw oscillator by use of a BaTiO₃ crystal as both an amplifying medium and a phase-conjugating mirror. Mutual locking of Gaussian waves is performed by a pair of spatial filters. One of them is a high-resolution holographic component; the other is an opaque screen with identical circular apertures.

© 1995 Optical Society of America

Double phase-conjugate mirror: to oscillate, or not to oscillate?

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