A Compact High-Average Current Photo-Injector

ZHU Feng; QUAN Sheng-Wen; XU Wen-Can; HAO Jian-Kui; LIU Zhen-Chao; ZHAO Kui; CHEN Jia-Er

Chinese Physics C> 2007, Vol. 31> Issue(5) : 496-500

A Compact High-Average Current Photo-Injector

MOE Key Laboratory of Heavy Ion Physics, Institute of Heavy Ion Physics, Peking University, Beijing 100871, China

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Abstract：
Based on the experimental results of the complex DC-SC photocathode injector (DC gun and 1+1/2cell superconducting cavity) at Peking University, an improved injector design is proposed. The new injector can provide high average current electron beams with bunch charge of 100 pc, cw operation, low transverse emittance and short bunch length. The optimization of the DC gun and superconducting cavity of the upgraded injector, structure design of the injector are presented in this paper.

References

[1]	. ZHAO K et al. Nucl. Instrum. Methods, 2001, A475: 5642. HAO J et al. Nucl. Instrum. Methods, 2006, A557: 1383. Carlsten B. Nucl. Instrum. Methods, 1985, A285: 3134. Brinkmann R et al. Conceptual Design of a 500GeV e+e-Linear Collider with Integrated X-ray Laser Facility. DESY,1997

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ZHU Feng, QUAN Sheng-Wen, XU Wen-Can, HAO Jian-Kui, LIU Zhen-Chao, ZHAO Kui and CHEN Jia-Er. A Compact High-Average Current Photo-Injector[J]. Chinese Physics C, 2007, 31(5): 496-500.

ZHU Feng, QUAN Sheng-Wen, XU Wen-Can, HAO Jian-Kui, LIU Zhen-Chao, ZHAO Kui and CHEN Jia-Er. A Compact High-Average Current Photo-Injector[J]. Chinese Physics C, 2007, 31(5): 496-500. shu

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Received: 2006-08-29
Revised: 2006-09-30

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沈阳化工大学材料科学与工程学院沈阳 110142

A Compact High-Average Current Photo-Injector

Corresponding author: ZHU Feng,

MOE Key Laboratory of Heavy Ion Physics, Institute of Heavy Ion Physics, Peking University, Beijing 100871, China

Received Date: 2006-08-29
Accepted Date: 2006-09-30
Available Online: 2007-05-05

Abstract: Based on the experimental results of the complex DC-SC photocathode injector (DC gun and 1+1/2cell superconducting cavity) at Peking University, an improved injector design is proposed. The new injector can provide high average current electron beams with bunch charge of 100 pc, cw operation, low transverse emittance and short bunch length. The optimization of the DC gun and superconducting cavity of the upgraded injector, structure design of the injector are presented in this paper.