Manipulation of electron beam generation with modified magnetic circuit on laser-wakefield acceleration

被引：0
|
作者：
Yamazaki, A. [1 ]
Maekawa, A. [1 ]
Tsujii, R. [1 ]
Uesaka, M. [1 ]
Kinoshita, K.
Hosokai, T.
Zhidkov, A.
机构：
[1] Univ Tokyo, UTNS, Ibaraki, Japan
来源：
2007 IEEE PARTICLE ACCELERATOR CONFERENCE, VOLS 1-11 | 2007年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Electron beam injection triggered by intense ultrashort laser pulses, which is called as plasma cathode, is presented. We have studied generation of relativistic electrons by interaction between a high intensity ultrashort laser pulse and gas jet When a static magnetic field of 0.2 T is applied, the modification of the preplasma cavity, and significant enhancement of emittance and an increase of the total charge of electron beams produced by a 12 TW, 40 fs laser pulse tightly focused in a He gas jet, were observed. And very high stability and reproducibility of the characteristics and position of well-collimated electron beams was detected. We performed an experiment with a magnetic circuit that has more intense magnetic field of 1 T.
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页码：2034 / +
页数：2
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