Smith-Purcell radiation amplifier

被引：20

作者：

Oganesyan, Koryun B. ^{[1
,2
]}

机构：

[1] Yerevan Phys Inst, Alikhanyan Natl Sci Lab, Yerevan 0036, Armenia

[2] Joint Inst Nucl Res, LIT, Dubna 141980, Russia

来源：

LASER PHYSICS LETTERS | 2015年 / 12卷 / 11期

关键词：

Smith-Purcell free electron laser; radiation; dispesion relation; FREE-ELECTRON LASER; RELATIVISTIC ELECTRONS; EMISSION;

D O I：

10.1088/1612-2011/12/11/116002

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the framework of the earlier derived dispersion equation, we study induced Smith-Purcell (SP) radiation of relativistic electron beam in the absence of a resonator. We offer a new method for calculation of coefficients for partial amplitudes in the case of rectangular grating. Using this method, as an important example of applications of our earlier derived results (Klochkov D N, Artemyev A I, Oganesyan K B, Rostovtsev Y V and Hu C K 2010 J. Mod. Opt. 57 2060-8), we calculate the growth rate of the SPFEL with a rectangular grating. The growth rate dependences on harmonic number, observation angle and relativistic factor are presented.

引用

页数：6

共 20 条

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