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Development of a high current short pulse electron gun

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【作者】 宗阳； 张子民； 袁平； 申晓康； 赵全堂； 王燕茹； 李中平； 曹树春； 刘铭； 景漪；

【Author】 ZONG Yang;ZHANG Zi-Min;YUAN Ping;SHEN Xiao-Kang;ZHAO Quan-Tang;WANG Yan-Ru;LI Zhong-Ping;CAO Shu-Chun;LIU Ming;JING Yi;Institute of Modern Physics,Chinese Academy of Sciences;University of Chinese Academy of Sciences;

【机构】 Institute of Modern Physics,Chinese Academy of Sciences； University of Chinese Academy of Sciences；

【摘要】 Dielectric wall accelerator(DWA), towards high gradient acceleration field(30 MeV/m–100 MeV/m), is under development at Institute of Modern Physics. A prototype was designed and constructed to prove the principle. This needs a short pulse high current electron source to match the acceleration field generated by the Blumlein-type pulse forming lines(PFLs). In this paper, we report the design and test of a new type short pulse high current electron gun based on principle of vacuum arc discharge. Electron beams of 100 mA with pulse width of 10 ns were obtained.

【Abstract】 Dielectric wall accelerator(DWA), towards high gradient acceleration field(30 MeV/m–100 MeV/m), is under development at Institute of Modern Physics. A prototype was designed and constructed to prove the principle. This needs a short pulse high current electron source to match the acceleration field generated by the Blumlein-type pulse forming lines(PFLs). In this paper, we report the design and test of a new type short pulse high current electron gun based on principle of vacuum arc discharge. Electron beams of 100 mA with pulse width of 10 ns were obtained.

【关键词】 Dielectric wall accelerator； Arc discharge； Short pulse high current electron gun； Electric field simulation；
【Key words】 Dielectric wall accelerator； Arc discharge； Short pulse high current electron gun； Electric field simulation；
【基金】 Supported by knowledge innovation project of Chinese academy of sciences(No.Y115280YZD);the National Natural Science Foundation of China(No.11105195 and No.11105197)
  • 【文献出处】 Nuclear Science and Techniques ,核技术(英文版) , 编辑部邮箱 ,2014年03期
  • 【分类号】TL503
  • 【下载频次】49
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