Chin. Phys. Lett.  2007, Vol. 24 Issue (7): 1876-1879    DOI:
Original Articles |
First Beam Measurements of the S-Band photocathode Radio-Frequency Gun at Tsinghua University
DU Ying-Chao1;YAN Li-Xin1;DU Qiang2;HE Xiao-Zhong3;XIANG Dao1;TANG Chuan-Xiang1;HUANG Wen-Hui1;LIN Yu-Zheng1
1Accelerator Laboratory, Department of Engineering Physics, Tsinghua University, Beijing 100084 2Institute of Physics, Chinese Academy of Sciences, Beijing 1000803Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900
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DU Ying-Chao, YAN Li-Xin, DU Qiang et al  2007 Chin. Phys. Lett. 24 1876-1879
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Abstract During the last decades, photocathode rf gun has been proven to be
successful in generating the high brightness electron beam (~1nC,1~πmmmrad,~1ps) which is required by the ILC, XFEL, Thomson scattering x-ray source, etc. A photocathode rf gun system is built to develop electron source for the Thomson scattering x-ray source at Accelerator Laboratory of Tsinghua University. The system consists of a BNL/ATF-type 1.6 cell S-band rf cavity, a solenoid for emittance compensation, a laser system and some simple equipments for beam diagnosis. The first beam measurements of the photocathode rf gun, including the dark current, transverse beam profile, charge and quantum efficiency, are reported.
Keywords: 29.27.Ac      29.25.Bx      41.75.Ht     
Received: 13 April 2007      Published: 25 June 2007
PACS:  29.27.Ac (Beam injection and extraction)  
  29.25.Bx (Electron sources)  
  41.75.Ht (Relativistic electron and positron beams)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I7/01876
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Articles by authors
DU Ying-Chao
YAN Li-Xin
DU Qiang
HE Xiao-Zhong
XIANG Dao
TANG Chuan-Xiang
HUANG Wen-Hui
LIN Yu-Zheng
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[5] Hastings J B, Rudakov F M, Dowell D H et al 2006 Appl.Phys. Lett. 89 184109
[6] Loewl G et al 1995 International Linear Collider TechnicalReview Committee Report SLAC-R-95-471
[7] Schoenlein R W, Leemans W P, Chin A H et al 1996 Science 274 236
[8] Tang C X, Huang W H, Chen H B et al 2004 Research ofThomson Scattering S-Ray Source at Tsinghua University FEL2004
[9] Du Y C, Huang W H, Hua J F et al 2007 High Energy Phys.Nucl. Phys. (in press)
[10] Wang X J et al 1993 Design and Construction of a Full CopperPhotocathode Gun Proc. PAC p 3000
[11] Dao X, Park S J, Park J H, Parc Y W and Wang X J 2006 Nucl. Instrum. Methods A 562 48
[12] Wang J W 1989 SLAC-R-339
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