Generation of induced Smith-Purcell radiation: free-electron laser in open system

被引：2
|
作者：
Klochkov, Dmitry N.
Oganesyan, Koryun B. [1 ,2 ]
Ayryan, Edik A. [2 ]
Izmailian, Nikolay Sh
机构：
[1] Yerevan Phys Inst, Alikhanyan Natl Sci Lab, Yerevan 375036, Armenia
[2] LIT, Joint Inst Nucl Res, Dubna, Russia
来源：
JOURNAL OF MODERN OPTICS | 2016年 / 63卷 / 07期
关键词：
diffraction grating; Smith-Purcell radiation; free-electron laser; growth rate;
D O I：
10.1080/09500340.2015.1088969
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have used the framework of the dispersion equation to study coherent Smith-Purcell (SP) radiation induced by a relativistic magnetized electron beam in the absence of a resonator. As an important example of the application of the obtained results of our previous paper JMO v. 57, 2060, (2010) the growth rate of SP FEL in the case with a rectangular grating was calculated. The growth rate of the instability is proportional to the square root of the electron beam current. The calculated results are consistent with the experimental data obtained by Urata et al.
引用
收藏
页码：653 / 659
页数：7
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