A plasma channel beam conditioner for a free electron laser

被引:0
|
作者
Penn, G. [1 ]
Sessler, A. M. [1 ]
Wurtele, J. S. [1 ]
机构
[1] Univ Calif Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
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
By "conditioning" an electron beam, through establishing a correlation between transverse action and energy within the beam, the performance of free electron lasers (FELs) can be dramatically improved. Under certain conditions, the FEL can perform as if the transverse emittances of the beam were substantially lower than the actual values. After a brief review of the benefits of beam conditioning, we present a method to generate this correlation through the use of a plasma channel. The strong transverse focusing produced by a plasma channel (chosen to have density 10(16)/cm(3)) allows the optimal correlation to be achieved in a reasonable length channel, of order 1 m. This appears to be a convenient and practical method for achieving conditioned beams, in comparison with other methods which require either a long beamline or multiple passes through some type of ring.
引用
收藏
页码:3375 / 3377
页数:3
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