Dependence of the electron beam parameters on the stability of laser propagation in a laser wakefield accelerator

被引：45

作者：

Hafz, N. M. ^{[1
]}

Choi, I. W.

Sung, J. H.

Kim, H. T.

Hong, K.-H.

Jeong, T. M.

Yu, T. J.

Kulagin, V.

Suk, H.

Noh, Y.-C.

Ko, D.-K.

Lee, J.

机构：

[1] GIST, Adv Photon Res Inst, Femto Sci Lab, Kwangju 500712, South Korea

[2] KERI, Ctr Adv Accelerators, Chang Won 641120, South Korea

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 15期

关键词：

D O I：

10.1063/1.2721119

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Characteristics of electron beams produced by the laser wakefield acceleration are presented. The dependence of the electron beam parameters on the laser focal spot size is investigated. The experimental result shows the generation of quasimonoenergetic electron beam although the laser spot size was several times larger than the plasma wavelength. Stable electron beam generation at large laser spots was owing to the stable laser propagation in plasma channels. At a small laser spot, the beam quality is poor and this is attributed to the the filamentation instability of the laser beam. (c) 2007 American Institute of Physics.

引用

页数：3

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