A simplified description of X-ray free-electron lasers

被引：73
|
作者：
Margaritondo, G. [1 ]
Ribic, Primoz Rebernik [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Fac Sci Base, CH-1015 Lausanne, Switzerland
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2011年 / 18卷
关键词：
free-electron laser; SASE; X-ray laser; EMISSION;
D O I：
10.1107/S090904951004896X
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
It is shown that an elementary semi-quantitative approach explains essential features of the X-ray free-electron laser mechanism, in particular those of the gain and saturation lengths. Using mathematical methods and derivations simpler than complete theories, this treatment reveals the basic physics that dominates the mechanism and makes it difficult to realise free-electron lasers for short wavelengths. This approach can be specifically useful for teachers at different levels and for colleagues interested in presenting X-ray free-electron lasers to non-specialized audiences.
引用
收藏
页码：101 / 108
页数：8
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