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Published July 15, 1972 | public
Journal Article Open

Enhancement of self-focusing threshold in sapphire with elliptical beams

Abstract

The power threshold for optically induced bulk damage in sapphire is a sensitive function of the ellipticity of the incident beam shape. Experimental results are consistent with a simple self-focusing theory.

Additional Information

©1972 The American Institute of Physics. Received 30 March 1972. The authors are grateful to V. Evtuhov for helpful discussions and for providing English translations of Ref. 2 and 3. Work supported in part by the Advanced Research Projects Agency under ARPA Order No. 1434 with Air Force Cambridge Research Laboratories.

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August 22, 2023
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