Revision of optical klystron enhancement effects in self-amplified spontaneous emission free electron lasers

被引：2
|
作者：
Geloni, Gianluca [1 ]
Guetg, Marc [2 ]
Serkez, Svitozar [1 ]
Schneidmiller, Evgeny [2 ]
机构：
[1] European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany
[2] Deutsch Electronen Synchrotron, Notkestr 85, D-22867 Hamburg, Germany
来源：
PHYSICAL REVIEW ACCELERATORS AND BEAMS | 2021年 / 24卷 / 09期
关键词：
D O I：
10.1103/PhysRevAccelBeams.24.090702
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We review the theory of optical klystrons, with its applications for self-amplified spontaneous emission free electron lasers in mind. We show that previous theories miss terms in the power gain factor that cannot be neglected, and we illustrate differences between the previously known analytical expressions, new ones found in this paper, and numerical calculations. We then consider the use of optical klystrons for electron energy-spread and radiation coherence-time diagnostics purposes.
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页数：18
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