Thermionic Cathode Microwave Electron Gun

Xie Jialin; Gao Jie; Huang Yonzhang; Zhang Renshan; Wang Youzhi

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1990, Vol. 14> Issue(S4) : 339-348

Thermionic Cathode Microwave Electron Gun

Center of Advanced Science and Technology, Beijing, China;Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

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Abstract：
The principle and development of the thermionic cathode electron gun used as a injector of a high brightness RF linac are introduced. The numerical computation of the beam current, energy spread and emittance are given. A prototype of the gun was tested and some experiment results are reported. The paper concludes with a discussion of the existing problems and possible improvements in its performance.

[1]	Nijatie A . Numerical simulation and design of a thermionic electron gun. Chinese Physics C, 2016, 40(5): 057003. doi: 10.1088/1674-1137/40/5/057003
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[3]	FAN Pei-Liang , ZHU Feng , QUAN Sheng-Wen , LIU Ke-Xin . Preliminary design and multipacting simulation of a SRF quarter wave electron gun at Peking University. Chinese Physics C, 2014, 38(5): 057002. doi: 10.1088/1674-1137/38/5/057002
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[5]	ZHOU Zu-Sheng , HE Da-Yong , CHI Yun-Long . Electron gun system for NSC KIPT linac. Chinese Physics C, 2014, 38(6): 067006. doi: 10.1088/1674-1137/38/6/067006
[6]	LI Wei-Wei , HE Zhi-Gang , JIA Qi-Ka . Generation and measurement of sub-picosecond electron bunch in photocathode rf gun. Chinese Physics C, 2013, 37(12): 127002. doi: 10.1088/1674-1137/37/12/127002
[7]	LIAO Lang , ZHANG Meng , GU Qiang , FANG Wen-Cheng , ZHAO Ming-Hua . Multipacting analysis in micro-pulse electron gun. Chinese Physics C, 2013, 37(11): 117004. doi: 10.1088/1674-1137/37/11/117004
[8]	WANG Er-Dong , rg Kewisch , Ilan Ben-Zvi , Andrew Burrill , Trivini Rao , WU Qiong , Animesh Jain , Ramesh Gupta , Doug Holmes , ZHAO Kui . Heat load of a GaAs photocathode in an SRF electron gun. Chinese Physics C, 2011, 35(4): 387-391. doi: 10.1088/1674-1137/35/4/012
[9]	LI Ruo-Yun , ZHENG Shu-Xin , TANG Chuan-Xiang . Development of a ferroelectric cathode diode. Chinese Physics C, 2010, 34(8): 1127-1131. doi: 10.1088/1674-1137/34/8/017
[10]	YANG An-Ming , XIA Lian-Sheng , ZHANG Huang , ZHANG Kai-Zhi , SHI Jin-Shui , DENG Jian-Jun . Large Area Thermionic Cathode and Its Prilimiary Experimental Results. Chinese Physics C, 2008, 32(S1): 286-288.
[11]	SUN Hong-Bing , PEI Yuan-Ji , XIE Ai-Gen , WANG Rong . The Numerical Algorithm of Secondary Emission Microwave Electron Gun. Chinese Physics C, 2005, 29(1): 95-98.
[12]	Tang Chuanxiang , Lin Yuzheng , Tong Dechun , Wu Yuanming , Wang Youzhi , Zhao Xinqiao , Xie Jialin . B&D of a Multi-cavity RF Gun With Thermionic Cathode for BFEL. Chinese Physics C, 1997, 21(4): 378-383.
[13]	Tang Chuanxiang , Wu Yuanming , Wang Youzhi , Zhao Xinqiao , Lin Yuzheng , Xie Jialin . Experimeotal Study of a Multi - Cavity BF Gun With Thermionic Cathode. Chinese Physics C, 1997, 21(5): 470-474.
[14]	Tang Chuanxiang , Lin Yuzheng , Wu Yuanming , Wang Youzhi , Zhao Xinqiao , Xie Jialin . Experimental Study of a Multi-Cavity RF Gun with Thermionic Cathode. Chinese Physics C, 1997, 21(S2): 91-95.
[15]	Tang Chuanxiang , Lin Yuzheng , Tong Dechun , Wu Yuanming , Wang Youzhi , Zhao Xinqiao , Xie Jialin . R&D of a Multi-Cavity RF Gun with Thermionic Cathode for BFEL. Chinese Physics C, 1997, 21(S2): 85-90.
[16]	Tang Chuanxiang , Yang Yue , Lin Yuzheng . Simulation of RF Thermionic Gun. Chinese Physics C, 1996, 20(4): 376-384.
[17]	Huang Yongzhang , Wu Gang . An Re-entrant Cavity and Its Cathode Structure for the Thermionic Microwave Gun. Chinese Physics C, 1994, 18(7): 658-663.
[18]	HUANG Yong-Zhang , TENG Ke-Jian , XIE Jia-Lin . Design and Fabrication of Alpha Magnet for an Microwave Electron Gun. Chinese Physics C, 1993, 17(9): 790-795.
[19]	Yu Qingchang . The Magnetically Confined Electron Cloud Sustained by Thermionic Emission. Chinese Physics C, 1991, 15(S2): 127-131.
[20]	XIE Jia-Lin , GAO Jie , HUANG Yong-Zhang , ZHANG Ren-Shan , WANG You-Zhi . THERMIONIC CATHODE MICROWAVE ELECTRON GUN. Chinese Physics C, 1990, 14(7): 577-584.

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Xie Jialin, Gao Jie, Huang Yonzhang, Zhang Renshan and Wang Youzhi. Thermionic Cathode Microwave Electron Gun[J]. Chinese Physics C, 1990, 14(S4): 339-348.

Xie Jialin, Gao Jie, Huang Yonzhang, Zhang Renshan and Wang Youzhi. Thermionic Cathode Microwave Electron Gun[J]. Chinese Physics C, 1990, 14(S4): 339-348. shu

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Received: 1989-08-16

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Thermionic Cathode Microwave Electron Gun

Center of Advanced Science and Technology, Beijing, China;Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

Received Date: 1989-08-16

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: The principle and development of the thermionic cathode electron gun used as a injector of a high brightness RF linac are introduced. The numerical computation of the beam current, energy spread and emittance are given. A prototype of the gun was tested and some experiment results are reported. The paper concludes with a discussion of the existing problems and possible improvements in its performance.