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

被引：10

作者：

Khazanov, Efim ^{[1
]}

机构：

[1] Russian Acad Sci, Gaponov Grekhov Inst Appl Phys, Nizhnii Novgorod 603950, Russia

来源：

HIGH POWER LASER SCIENCE AND ENGINEERING | 2024年 / 12卷

关键词：

Littrow angle compressor; multi-petawatt lasers; Treacy compressor; PULSE COMPRESSOR; LASER; SIZE;

D O I：

10.1017/hpl.2024.18

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：8

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