Formation of short high-power laser radiation pulses in excimer mediums

N. G. Ivanov; Yu. N. Panchenko

doi:10.1117/12.753232

1 August 2007 Formation of short high-power laser radiation pulses in excimer mediums

N. G. Ivanov, Yu. N. Panchenko

Proceedings Volume 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications; 67350M (2007) https://doi.org/10.1117/12.753232
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus

Abstract

Presently an excimer mediums continue are examined as one of variants for formation of powerful and over powerful pulses of laser radiation with duration from units of nanosecond up to tens femtosecond. The researches on such powerful installations as "NIKE" (USA) and << SUPER ASHURA >> (Japan) proceed in this direction. The main advantage of excimer mediums is the opportunity to work in a frequency mode, absence of restriction on the size of active area, high uniformity of a gas working medium, high efficiency (up to 10 %) and wide spectral range of laser radiation (KrF, XeCl ~ 2nm, XeF (C-A), Xe₂Cl ~ 50-100 nanometers). Research in area of high quality laser beams formation in excimer mediums and its amplification in high power amplifiers are carried out the long time in Institute of High Current Electronics SB RAS, Tomsk, Russia. The wide aperture XeCl laser system of MELS-4k is used for these investigations. Last time we take part in program on development of high power excimer laser system with a petawatt level of power. This system supposes the formation and amplification high quality laser beams with different pulse duration from units of nanosecond up to tens femtosecond. We research the possibility of laser beams formation in excimer mediums with ps-ns pulse duration having the low noise and divergence near to diffraction limit. In other hand, we are developing the wide aperture XeF(C-A) amplifier with optical pump on base electron accelerator. According to our estimations of the XeF(C-A) amplifier based on the converter of e-beam energy to the Xe₂* fluorescence at 172 nm will allow to obtain up to 100 TW peak power in a 30 fs pulse.

Citation Download Citation

N. G. Ivanov and Yu. N. Panchenko "Formation of short high-power laser radiation pulses in excimer mediums", Proc. SPIE 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications, 67350M (1 August 2007); https://doi.org/10.1117/12.753232

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KEYWORDS

Mirrors

Excimers

High power lasers

Xenon

Optical amplifiers

Gas lasers

Laser systems engineering

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