Propagation of intense laser pulses in plasma with a prepared phase-space distribution

被引：17
|
作者：
Gupta, Devki N. [1 ]
Yoffe, Samuel R. [2 ,3 ]
Jain, Arohi [1 ]
Ersfeld, Bernhard [2 ,3 ]
Jaroszynski, Dino A. [2 ,3 ]
机构：
[1] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[2] SUPA, Dept Phys, Glasgow G4 0NG, Lanark, Scotland
[3] Univ Strathclyde, Glasgow G4 0NG, Lanark, Scotland
来源：
SCIENTIFIC REPORTS | 2022年 / 12卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
ELECTRON-BEAMS; DRIVEN;
D O I：
10.1038/s41598-022-24664-x
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Optimizing the laser wakefield accelerator (LWFA) requires control of the intense driving laser pulse and its stable propagation. This is usually challenging because of mode mismatching arising from relativistic self-focusing, which invariably alters the velocity and shape of the laser pulse. Here we show how an intense pre-pulse can prepare the momentum/density phase-space distribution of plasma electrons encountered by a trailing laser pulse to control its propagation. This can also be used to minimize the evolution of the wakefield thus enhancing the stability of the LWFA, which is important for applications.
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页数：9
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