Tutorial on X-Ray Free-Electron Lasers

被引:4
作者
Carlsten, Bruce E. [1 ]
机构
[1] Los Alamos Natl Lab, Engn Sci Directorate, Los Alamos, NM 87545 USA
关键词
Accelerator; free-electron laser; high-brightness electron beam; light source; EXTREME-ULTRAVIOLET; UNDULATOR; RADIATION; OPERATION; COHERENT; INJECTOR; BEAM;
D O I
10.1109/TPS.2018.2827301
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
This paper provides a tutorial on X-ray freeelectron lasers (XFELs) which are currently being designed, built, commissioned, and operated as fourth-generation light sources to enable discovery science in materials science, biology, and chemistry. XFELs are complex devices, driven by high-energy, high-brightness electron accelerators and cost on the order of $B. Here, we provide a basic introduction to their operating physics and a description of their main accelerator components. To make their basic operating principle accessible to the electrical engineering community, we rederive the FEL dispersion relation in a manner similar to that done for traveling-wave tubes. We finish with sections describing some unique features of the X-rays generated and on the physics that lead to the main design limitations, including approaches for mitigation.
引用
收藏
页码:1900 / 1912
页数:13
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