New grating compressor designs for XCELS and SEL-100 PW projects

IF 5.2 1区 物理与天体物理 Q1 OPTICS High Power Laser Science and Engineering Pub Date : 2024-04-01 DOI:10.1017/hpl.2024.18
Efim Khazanov
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Abstract

The problem of optimizing the parameters of a laser pulse compressor consisting of four identical diffraction gratings is solved analytically. The goal of optimization is to obtain maximum pulse power, completely excluding both beam clipping on gratings and the appearance of spurious diffraction orders. The analysis is carried out in a general form for an out-of-plane compressor. Two particular ‘plane’ cases attractive from a practical point of view are analyzed in more detail: a standard Treacy compressor (TC) and a compressor with an angle of incidence equal to the Littrow angle (LC). It is shown that in both cases the LC is superior to the TC. Specifically, for 160-cm diffraction gratings, optimal LC design enables 107 PW for XCELS and 111 PW for SEL-100 PW, while optimal TC design enables 86 PW for both projects.

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用于 XCELS 和 SEL-100 PW 项目的新型光栅压缩机设计
通过分析解决了由四个相同衍射光栅组成的激光脉冲压缩器的参数优化问题。优化的目标是获得最大脉冲功率,同时完全排除光栅上的光束削波和杂散衍射阶次的出现。分析以平面外压缩机的一般形式进行。更详细地分析了从实用角度来看具有吸引力的两种特殊 "平面 "情况:标准特雷西压缩器(TC)和入射角等于利特罗角(LC)的压缩器。结果表明,在这两种情况下,LC 都优于 TC。具体地说,对于160厘米衍射光栅,最佳LC设计可使XCELS获得107 PW,SEL-100 PW获得111 PW,而最佳TC设计可使这两个项目获得86 PW。
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来源期刊
High Power Laser Science and Engineering
High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics
CiteScore
7.10
自引率
4.20%
发文量
401
审稿时长
21 weeks
期刊介绍: High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.
期刊最新文献
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