ENHANCEMENT OF FEL EFFICIENCY BY USING SHORT ELECTRON PULSES

被引:14
作者
JAROSZYNSKI, DA
OEPTS, D
ORTEGA, JM
PIDGEON, CR
VANAMERSFOORT, PW
机构
[1] CTR UNIV PARIS SUD,UTILISAT RAYONNEMENT ELECTROMAGNET LAB,ORSAY,FRANCE
[2] HERIOT WATT UNIV,DEPT PHYS,EDINBURGH EH1 1HX,MIDLOTHIAN,SCOTLAND
基金
欧盟地平线“2020”;
关键词
D O I
10.1016/0168-9002(92)91122-P
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
In this paper we show that for an intermediate gain free electron laser oscillator, the efficiency is dramatically enhanced by operating with electron pulses shorter than the slippage distance. We discuss both the consequences of operating at longer wavelengths where lethargy effects are important and the implications of working with short electron pulses when inhomogeneous broadening is important. The discussion is supported by a one-dimensional multiparticle simulation that takes into account both saturation and short pulse effects.
引用
收藏
页码:582 / 587
页数:6
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