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Published March 15, 1982 | Published
Journal Article Open

Coherent oscillation by self‐induced gratings in the photorefractive crystal BaTiO_3

Abstract

We report here the demonstration of several new optical oscillator configurations including a unidirectional ring oscillator and a self‐pumped phase conjugate mirror. The gain medium is BaTiO_3, pumped by a 632.8‐nm He‐Ne laser at power levels down to 50 μW.

Additional Information

© 1982 American Institute of Physics. Received 10 August 1981; accepted for publication 14 December 1981. This work was supported by the Air Force Office of Scientific Research and the Army Research Office. B. Fischer would like to acknowledge the support of the Weizmann post-doctoral fellowship and M. Cronin-Golomb the support of the University of Sydney. This paper is dedicated to Alice and Esther.

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