Influence of the input radiation pulse characteristics on the parameters of a XeF(C-A) amplifier in a THL-100 laser system

被引：9
|
作者：
Yastremskii, A. G. [1 ]
Ivanov, N. G. [1 ]
Losev, V. F. [1 ,2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst High Current Elect, Akad Skii Prosp 2-3, Tomsk 634055, Russia
[2] Tomsk Polytech Univ, Prosp Lenina 30, Tomsk 634050, Russia
来源：
QUANTUM ELECTRONICS | 2016年 / 46卷 / 11期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
THL-100 hybrid laser system; radial intensity distribution; maximal laser radiation energy; numerical simulation; XEF MOLECULE; AMPLIFICATION; PHOTODISSOCIATION; TRANSITION; STATE;
D O I：
10.1070/QEL16171
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report the results of experimental and theoretical investigations on the influence of spatial and energy parameters of input radiation with a pulse duration of 50 ps on output characteristics of a XeF(C-A) amplifier in a visible-range, multi-terawatt THL-100 laser system. Dynamics of the energy density radial distribution for laser radiation passing through the amplifier is studied. Results of numerical simulation are presented for amplification of laser beams with Gaussian and super-Gaussian radial energy density distributions. It is shown that the laser energy of 3.2 J obtained experimentally is not the limiting value. According to calculations, the output energy of the amplifier with such mirror configuration may reach 4.1 J, which in the case of a pulse compressed down to 50 fs corresponds to the radiation power of 82 TW.
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页码：982 / 988
页数：7
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