V. I. Annenkov, V. Gaidash, N. Zhidkov, G. A. Kirillov, V. Kovalenko, A. G. Kravchenko, V. Krotov, N. A. Nitochkin, V. Pankratov, I. Solomatin, V. Khrustalev, N. M. Khudikov, V. S. Faizullin
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Conversion of Iskra-5 iodine laser radiation to the second harmonic by large-aperture DKDP crystals
The experimental results of "Iskra-5" laser operation conversion at the second harmonic. (λ = 657.6 nm) are presented. The experiments were carried out with DKDP crystals of big aperture (size 32 x 33 x 2 cm). The scheme of one channel was upgraded for optimization of second harmonic generation. Maximum conversion efficiency has been achieved for primary laser intensity of 1 - 2 GW/cm2. A second harmonic output of 500 J has been obtained at 60% of technical efficiency.
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