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
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
收藏
页码:2073 / 2076
页数:4
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