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

查看全文 作　　者：YOU [1]Yan;YAN [2]LiXin;DU [2]YingChao;HUA [2]JianFei;HUANG [2]WenHui;TANG [2]ChuanXiang

机构地区：[1]Accelerator Laboratory,Department of Engineering Physics,Tsinghua University,Beijing 100084,China;[2]Key Laboratory of Particle&Radiation Imaging(Tsinghua University),Ministry of Education Key Laboratory of High Energy Radiation Imaging Fundamental Science for National Defense,Beijing 100084,China

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2011年第54卷第S2期,共4页

基　　金：supported by the National Natural Science Foundation of China (Grant No. 10975088) 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. 关键词：THz radiation high power RELATIVISTIC ELECTRONS CR PARMELA

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

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