Three-dimensional analysis of the surface mode supported in Cerenkov and Smith-Purcell free-electron lasers

被引：5
作者：
Kalkal, Yashvir [1 ]
Kumar, Vinit
机构：
[1] Homi Bhabha Natl Inst, Bombay 400094, Maharashtra, India
来源：
PHYSICAL REVIEW ACCELERATORS AND BEAMS | 2016年 / 19卷 / 06期
关键词：
NONLINEAR-ANALYSIS; EMISSION; BEAMS; RADIATION; OPERATION;
D O I：
10.1103/PhysRevAccelBeams.19.060702
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：
In Cerenkov and Smith-Purcell free-electron lasers (FELs), a resonant interaction between the electron beam and the copropagating surface mode can produce a copious amount of coherent terahertz radiation. We perform a three-dimensional (3D) analysis of the surface mode, taking the effect of attenuation into account, and set up 3D Maxwell-Lorentz equations for both these systems. Based on this analysis, we determine the requirements on the electron beam parameters, i.e., beam emittance, beam size and beam current for the successful operation of a Cerenkov FEL.
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页数：15
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