Effective frequency conversion in nonlinear crystals for lasers of middle-infrared range

Vladimir O. Petukhov; Vadim A. Gorobets; Sergei Y. Tochitsky; Vladimir N. Jakimovich; Valirii I. Konstantinov

doi:10.1117/12.407682

27 November 2000 Effective frequency conversion in nonlinear crystals for lasers of middle-infrared range

Vladimir O. Petukhov, Vadim A. Gorobets, Sergei Y. Tochitsky, Vladimir N. Jakimovich, Valirii I. Konstantinov

Proceedings Volume 4316, International Conference on Lasers for Measurements and Information Transfer; (2000) https://doi.org/10.1117/12.407682
Event: International Conference on Lasers for Measurements and Information Transfer, 2000, St. Petersburg, Russian Federation

Abstract

A comparative analysis of the efficiency of generation of the second harmonic of a TEA CO-2) laser in Te, ZnGeP₂, GaSe, AgGaSe₂, and Tl₃AsSe₃ single crystals as well as of the absorption properties of these crystals and the damage threshold of their surface has been performed on the basis of experimental data. High-optical-quality AgGaSe₂ crystals holding much promise for the second harmonic generation have been grown. Phisico-chemical features of the process of growing and annealing of these crystals were investigated. It was revealed that the efficiency of the conversion of the CO₂ laser radiation in ZnGeP₂ and AgGaSe₂ crystals can be significantly increased at the expense of shortening of laser pulses, which can be effected by a simple optical device -- a plasma gate.

Citation Download Citation

Vladimir O. Petukhov, Vadim A. Gorobets, Sergei Y. Tochitsky, Vladimir N. Jakimovich, and Valirii I. Konstantinov "Effective frequency conversion in nonlinear crystals for lasers of middle-infrared range", Proc. SPIE 4316, International Conference on Lasers for Measurements and Information Transfer, (27 November 2000); https://doi.org/10.1117/12.407682

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