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Design and test of frequency tuner for a CAEP high power THz free-electron laser

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【作者】 米正辉； 赵丹阳； 孙毅； 潘卫民； 林海英； 鲁向阳； 全胜文； 罗星； 黎明； 杨兴繁； 王光伟； 戴建枰； 李中泉； 马强； 沙鹏；

【Author】 MI Zheng-Hui;ZHAO Dan-Yang;SUN Yi;PAN Wei-Min;LIN Hai-Ying;LU Xiang-Yang;QUAN Sheng-Wen;LUO Xing;LI Ming;YANG Xing-Fan;WANG Guang-Wei;DAI Jian-Ping;LI Zhong-Quan;MA Qiang;SHA Peng;University of Chinese Academy of Sciences;Institute of High Energy Physics, Chinese Academy of Sciences;State Key Laboratory of Nuclear Physics and Technology, Peking University;Institute of Applied Electronics, CAEP;Terahertz Research Center, CAEP;

【机构】 University of Chinese Academy of Sciences； Institute of High Energy Physics, Chinese Academy of Sciences； State Key Laboratory of Nuclear Physics and Technology, Peking University； Institute of Applied Electronics, CAEP； Terahertz Research Center, CAEP；

【摘要】 Peking University is developing a 1.3 GHz superconducting accelerating section highpower THz freeelectron laser for the China Academy of Engineering Physics(CAEP). A compact fast/slow tuner has been developed by the Institute of High Energy Physics(IHEP) for the accelerating section to control Lorentz detuning, compensate for beam loading effect, microphonics and liquid helium pressure fluctuations. The tuner design, warm test and cold test of the first prototype are presented, which has a guiding significance for the manufacture of the formal tuner and cryomodule assembly.

【Abstract】 Peking University is developing a 1.3 GHz superconducting accelerating section highpower THz freeelectron laser for the China Academy of Engineering Physics(CAEP). A compact fast/slow tuner has been developed by the Institute of High Energy Physics(IHEP) for the accelerating section to control Lorentz detuning, compensate for beam loading effect, microphonics and liquid helium pressure fluctuations. The tuner design, warm test and cold test of the first prototype are presented, which has a guiding significance for the manufacture of the formal tuner and cryomodule assembly.

【关键词】 1.3 GHz cavity tuner； frequency tuner； THz-FEL；
【Key words】 1.3 GHz cavity tuner； frequency tuner； THz-FEL；
【基金】 Supported by the 500 MHz superconducting cavity electromechanical tuning system(Y190KFEOHD);NSAF(11176003);National Major Scientific Instrument and Equipment Development projects(2011YQ130018)
  • 【文献出处】 Chinese Physics C ,中国物理C , 编辑部邮箱 ,2015年02期
  • 【分类号】TN248
  • 【被引频次】2
  • 【下载频次】39
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