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Analysis and calculation on electron bunch length measurement by using CTR
Li ZH(李智慧); Dai JP(戴建枰); Yang XP(杨学平); Fan YH(范耀辉); Xie JL(谢家麟); Zhu JB(朱俊彪); Li, ZH; Dai, JP; Yang, XP; Fan, YH; Xie, JL; Zhu, JB
2003
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号27期号:9页码:831-835
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100080, Peoples R China
文章类型Article
摘要Measurement of electron bunch length through its generated CTR is a new frequency domain technique developed in the accelerator and FEL fields recently. In this paper we analyze theoretically and calculate numerically CTR produced by a train of RF-linac electron bunches of a few picoseconds at BFEL. For the CTR emitted at wavelengths longer than the bunch length (lambdagreater than or equal to root2pisigma(2)) the intensity is enhanced by a factor of 10(8) which is the number of electrons in the bunch; CTR energy is mainly concentrated near the beam axis and can be up to several millijoules for Gaussian and rectangular bunches. A polarized-type Michelson interferometer was designed to measure autocorrelation interferograph of CTR, from which one can diagnose longitudinal length of this bunches and derive its electron density distribution.
关键词coherent transition radiation bunch length diagnosis free electron laser
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000185396800018
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238568
专题院士
作者单位中国科学院高能物理研究所
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GB/T 7714
Li ZH,Dai JP,Yang XP,et al. Analysis and calculation on electron bunch length measurement by using CTR[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2003,27(9):831-835.
APA 李智慧.,戴建枰.,杨学平.,范耀辉.,谢家麟.,...&Zhu, JB.(2003).Analysis and calculation on electron bunch length measurement by using CTR.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,27(9),831-835.
MLA 李智慧,et al."Analysis and calculation on electron bunch length measurement by using CTR".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 27.9(2003):831-835.
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