26 March 2002 Parameters of front-end system pulse on Iskra-5 installation
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Proceedings Volume 4747, International Conference on Atomic and Molecular Pulsed Lasers IV; (2002) https://doi.org/10.1117/12.460138
Event: International Conference on Atomic and Molecular Pulsed Lasers IV, 2001, Tomsk, Russian Federation
Abstract
The research on studying and development of iodine lasers for experiments in the field of ICF, conducted in RFNC- VNIIEF, were resulted in the creation of 120 TWt 12-channel pulse iodine laser facility 'Iskra-5'. Wavelength of radiation is (lambda) equals 1.315 micrometers . 'Iskra-5' installation is designed on the scheme of parallel amplification of pulse, generated by front-end system, in 12 identical amplifying channels. Front-end system includes four main parts: master oscillator (MO), two cascades of preliminary amplification (PA1, PA2) and final amplifier (A0). Radiation from front-end system after A0 passes through the splitting system to the input of amplifying channels. Topics of report are short description of 'Iskra-5' front-end system and analysis of its parameters during previous five years of facility operation. Modernization of master oscillator is reported also. This modernization includes changing of electro-optical mode-locker on acousto-optically mode-locker made from crystalline quartz. Using of crystalline quartz allowed to get 100% depth of modulation on the wavelength of iodine laser radiation under control power about 10 Wt. The analysis of results revealed that using of acousto-optical modulator significantly stabilizes the parameters of front- end system radiation pulse.
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V. I. Annenkov, V. I. Annenkov, I. I. Solomatin, I. I. Solomatin, V. S. Chebotar, V. S. Chebotar, N. A. Nitochkin, N. A. Nitochkin, V. Khrustalev, V. Khrustalev, } "Parameters of front-end system pulse on Iskra-5 installation", Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); doi: 10.1117/12.460138; https://doi.org/10.1117/12.460138
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