Research of the conditions for effective conversion of Iskra-5 iodine laser radiation to the second harmonic

V. P. Kovalenko; V. A. Gaidash; N. V. Zhidkov; A. V. Zubkov; Gennadi A. Kirillov; Andrey G. Kravchenko; V. A. Krotov; V. I. Pankratov; I. I. Solomatin; V. A. Khrustalev; N. M. Khudikov; V. S. Faizullin

doi:10.1117/12.558200

16 June 2004 Research of the conditions for effective conversion of Iskra-5 iodine laser radiation to the second harmonic

V. P. Kovalenko, V. A. Gaidash, N. V. Zhidkov, A. V. Zubkov, Gennadi A. Kirillov, Andrey G. Kravchenko, V. A. Krotov, V. I. Pankratov, I. I. Solomatin, V. A. Khrustalev, N. M. Khudikov, V. S. Faizullin

Author Affiliations +

Proceedings Volume 5479, Laser Optics 2003: High-Power Gas Lasers; (2004) https://doi.org/10.1117/12.558200
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

Experimental research of various conditions for effective conversion of "Iskra-5" iodine laser radiation to the second harmonic (λ = 657.5 nm) were carried out. The influence of intensity, depolarization, divergence of main harmonic, optical quality of big aperture (size 32 x 33 cm) DKDP crystals, which are used for conversion and also angular error of their adjustment, was investigated. It was shown that the most essential factors, decreasing the conversion efficiency under Type II phase-matching condition are depolarization and small-scale noise of main harmonic radiation.

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V. P. Kovalenko, V. A. Gaidash, N. V. Zhidkov, A. V. Zubkov, Gennadi A. Kirillov, Andrey G. Kravchenko, V. A. Krotov, V. I. Pankratov, I. I. Solomatin, V. A. Khrustalev, N. M. Khudikov, and V. S. Faizullin "Research of the conditions for effective conversion of Iskra-5 iodine laser radiation to the second harmonic", Proc. SPIE 5479, Laser Optics 2003: High-Power Gas Lasers, (16 June 2004); https://doi.org/10.1117/12.558200

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