Double pulse laser wakefield accelerator

被引：5
|
作者：
Kim, Changbum [1 ]
Kim, Jin-Cheol B.
Kim, Kukhee
Ko, In Soo
Suk, Hyyong
机构：
[1] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea
[2] Natl Fus Res Ctr, Taejon 305333, South Korea
[3] Korea Electrotechnol Res Inst, Ctr Adv Accelerators, Chang Won 641120, South Korea
来源：
PHYSICS LETTERS A | 2007年 / 370卷 / 3-4期
关键词：
laser wakefield accelerator; resonant laser plasma accelerator; 2-D particle in cell simulation; electron injection and acceleration;
D O I：
10.1016/j.physleta.2007.05.060
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two-dimensional simulation studies are performed for modified laser wakefield acceleration. After one laser pulse, another identical laser pulse is sent to the plasma to amplify the wake wave resonantly. The simulation results show that the number of injected electrons is bigger than that of the single pulse case and the beam energy is higher as well. In addition, increase of the transverse amplitude is noticed in the wake wave after the second laser pulse. This shows that the transverse motion of the wake wave enhances the wave breaking for strong injection and acceleration of electron beams. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：310 / 315
页数：6
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