Dual-grating dielectric accelerators driven by a pulse-front-tilted laser

被引：25

作者：

Wei, Y. ^{[1
,2
]}

Ibison, M. ^{[1
,2
]}

Xia, G. ^{[1
,3
]}

Smith, J. D. A. ^{[4
]}

Welsch, C. P. ^{[1
,2
]}

机构：

[1] Cockcroft Inst, Sci Tech Daresbury, Warrington WA4 4AD, Cheshire, England

[2] Univ Liverpool, Sch Phys Sci, Liverpool L69 3BX, Merseyside, England

[3] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[4] Tech X UK Ltd, Sci Tech Daresbury, Warrington WA4 4AD, Cheshire, England

来源：

APPLIED OPTICS | 2017年 / 56卷 / 29期

基金：

英国科学技术设施理事会;

关键词：

KEV ELECTRONS; MICROSTRUCTURE;

D O I：

10.1364/AO.56.008201

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper investigates numerically dual-grating dielectric laser-driven accelerators driven by a pulse-front-tilted (PFT) laser, which extends the interaction length and boosts the electrons' energy gain. The optical system necessary to generate PFT laser beams with an ultrashort pulse duration of 100 fs is also studied in detail. Through two-dimensional particle-in-cell simulations, we show that such a PFT laser effectively increases the energy gain by (91 +/- 25) % compared to that of a normally incident laser with a waist radius of 50 mu m for a 100-period dual-grating structure.

引用

页码：8201 / 8206

页数：6

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