Terahertz Evanescent Waves in Smith-Purcell Radiation for Dielectric Loaded Grating

被引：0
|
作者：
Cao, Miaomiao [1 ,2 ]
Liu, Wenxin [1 ]
Wang, Yong [1 ]
Li, Ke [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Key Lab High Power Microwave Sources & Technol, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
2016 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2016年
关键词：
Smith-Purcell (SP) radiation; dielectric loaded grating (DLG); beam-wave interaction;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a simulation on the evanescent wave of Smith-Purcell (SP) radiation from dielectric loaded grating (DLG) is presented at terahertz frequencies. The evanescent wave provides feedback to bunch the electron beam, which is the basis of oscillator operation of SP free-electron laser (FEL). The results obtained from particle-in-cell (PIC) code are compared with metal grating, which show that the usage of DLG can enhance the evanescent wave, which can further improve the beam-wave interaction.
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页数：2
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