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Bunch length measurement using a traveling wave RF deflector
Zhang JR(张敬如); Dai JP(戴建枰); Pei GX(裴国玺); Hou M(侯汨); Zhang, JR; Dai, JP; Gu, Q; Pei, GX; Zhao, MH; Zhong, SP; Wang, XT; Chen, YZ; Hou, M
2010
发表期刊CHINESE PHYSICS C
卷号34期号:1页码:#REF!
通讯作者Zhang, JR (reprint author), CAS, Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要RF deflectors can be used for bunch length measurement with high resolution. This paper describes a completed S-band traveling wave RF deflector and the bunch length measurement of the electron beam produced by the photocathode RF gun of the Shanghai DUV-FEL facility. This is the first time that such a transverse RF deflector has been developed and used to measure the bunch length of picosecond order in China. The deflector's VSWR, is 1.06, the whole attenuation 0.5 dB, and the bandwidth 4.77 MHz for VSWR less than I. I. With a laser pulse width of 8.5 ps, beam energy of 4.2 MeV, and bunch charge of 0.64 nC, the bunch lengths for different RF input power into the deflector were measured, and an averaged rms bunch length of 5.25 ps was obtained. A YAG crystal is used as a screen downstream of the deflector, with the calibrated value of 1 pix = 136 mu m.
文章类型Article
关键词RF deflector bunch length RF gun HEM(11) mode
学科领域Physics
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000274095100026
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226425
专题加速器中心
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GB/T 7714
Zhang JR,Dai JP,Pei GX,et al. Bunch length measurement using a traveling wave RF deflector[J]. CHINESE PHYSICS C,2010,34(1):#REF!.
APA 张敬如.,戴建枰.,裴国玺.,侯汨.,Zhang, JR.,...&Hou, M.(2010).Bunch length measurement using a traveling wave RF deflector.CHINESE PHYSICS C,34(1),#REF!.
MLA 张敬如,et al."Bunch length measurement using a traveling wave RF deflector".CHINESE PHYSICS C 34.1(2010):#REF!.
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