Analysis and calculation on electron bunch length measurement by using CDR

CAS OpenIR > 中科院上海应用物理研究所2004-2010年

	Analysis and calculation on electron bunch length measurement by using CDR
	Liu, AQ（刘爱琴）; Liu, ZP（刘征平）; Chen, YZ（陈永忠）; Zhou, WM（周伟民）; Dai, ZM（戴志敏）; Liu, AQ (reprint author), Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
	2005
Source Publication	HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN	0254-3052
Volume	29 Issue:5 Pages:517
Abstract	Measurement of electron bunch length through its generated coherent diffraction radiation (CDR) via optical autocorrelation is a new non-intercepting frequency domain diagnostics technique developed in accelerator fields recently. In this paper, the CDR emitted by femto-second electron bunches provided by the SINAP linac are analyzed and numerically calculated, experimental designs on CDR generation and bunch length measurement are presented, and the beam splitter affected interferogram is simulated. As a result, broad band continuous and high intensity CDR covering a range from far-infrared to mm-wave region can be obtained by directly using these bunches. CDR energy is mainly concentrated near the beam axis and can be up to several millijoules for Gaussian bunches. We use a far-infrared Michelson interferometer and a Golay detector to measure the autocorrelation interferogram of CDR, considering the interference effects caused by the beam splitter, the electron bunch length can be easily obtained, from which one can derive its electron density distribution.
Keyword	Coherent Diffraction Radiation Bunch Length Diagnosis Femto-second Electron Bunches Optical Autocorrelation Far-infrared Michelson Interferometer
Subject Area	Chemistry ; Physics
Indexed By	sci
Language	英语
Funding Project	应物所项目组
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/8011
Collection	中科院上海应用物理研究所2004-2010年
Corresponding Author	Liu, AQ (reprint author), Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation GB/T 7714	Liu, AQ,Liu, ZP,Chen, YZ,et al. Analysis and calculation on electron bunch length measurement by using CDR[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2005,29(5):517.
APA	Liu, AQ,Liu, ZP,Chen, YZ,Zhou, WM,Dai, ZM,&Liu, AQ .(2005).Analysis and calculation on electron bunch length measurement by using CDR.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,29(5),517.
MLA	Liu, AQ,et al."Analysis and calculation on electron bunch length measurement by using CDR".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 29.5(2005):517.

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