High power THz source based on coherent radiation of picosecond relativistic electron bunch train

被引：4

作者：

You Yan ^{[1
]}

Yan LiXin ^{[2
]}

Du YingChao ^{[2
]}

Hua JianFei ^{[2
]}

Huang WenHui ^{[2
]}

Tang ChuanXiang ^{[2
]}

机构：

[1] Tsinghua Univ, Accelerator Lab, Dept Engn Phys, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Key Lab High Energy Radiat Imaging Fundamental Sc, Beijing 100084, Peoples R China

来源：

SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2011年 / 54卷

基金：

中国国家自然科学基金;

关键词：

THz radiation; high power; relativistic electrons; CR; PARMELA; BEAM;

D O I：

10.1007/s11433-011-4588-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Tunable and compact high power terahertz (THz) radiation based on coherent radiation (CR) of the picosecond relativistic electron bunch train is under development at the Tsinghua accelerator lab. Coherent synchronization radiation (CSR) and coherent transition radiation (CTR) are researched based on an S-band compact electron linac, a bending magnet or a thin foil. The bunch train's form factors, which are the key factor of THz radiation, are analyzed by the PARMELA simulation. The effects of electron bunch trains under different conditions, such as the bunch number, bunch charges, micro-pulses inter-distance, and accelerating gradient of the gun are investigated separately in this paper. The optimal radiated THz power and spectra should take these factors as a whole into account.

引用

页码：S197 / S200

页数：4

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