Laser injection of ultrashort electron pulses into wakefield plasma waves

被引：418

作者：

Umstadter, D

Kim, JK

Dodd, E

机构：

[1] Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.76.2073

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A novel laser-plasma-based source of relativistic electrons is described. It involves a combination of orthogonally directed laser beams, which are focused in a plasma. One beam excites a wakefield electron plasma wave. Another locally alters the trajectory of some of the electrons in such a way that they can be accelerated and trapped by the wave. With currently available table-top terawatt lasers, a single ultrashort-duration electron bunch can be accelerated to multi-MeV energies in a fraction of a millimeter, with femtosecond synchronization between the light pulse, the electron bunch, and the plasma wave. Both analytical and numerical-simulation results are presented.

引用

页码：2073 / 2076

页数：4

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