Effects of undulator interruptions on the performance of high-gain FEL amplifiers

被引：8
|
作者：
Kim, KJ [1 ]
Xie, M [1 ]
Pellegrini, C [1 ]
机构：
[1] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 375卷 / 1-3期
关键词：
D O I：
10.1016/0168-9002(95)01209-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The construction as well as the operation of a long undulator required for short wavelength generation with high-gain free-electron lasers will become easier if the undulator could be interrupted with drift sections every few gain lengths. To evaluate the effect of such interruption on the FEL performance, we study the following three effects; (i) the diffraction loss, (ii) the free space slippage and (iii) the phase de-coherence. The effect (i) is found to be small, the effect (ii) gives a condition on the length of the drift section and the effect (iii) is small, but not negligible.
引用
收藏
页码：314 / 316
页数：3
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