Speaker
Xiaowei Wu
(Zhangjiang Laboratory)
Description
1.3 GHz 3-cell superconducting cavities were proposed for the injector of the high-brightness free electron laser based on energy recovery linac scheme. The average beam current is 10 mA and injector energy is 10 MeV. The beam tube of the cavity is enlarged to damp higher-order modes (HOMs) and to keep beam stability. Three cavities have been fabricated. An intrinsic quality factor of 2.0 × 10¹⁰ at 12.0 MV/m and a maximum accelerating gradient of 25.6 MV/m were achieved in the vertical test of the first bare cavity. Design, fabrication, surface treatment, and rf test results will be presented in this paper.
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Author
Xiaowei Wu
(Zhangjiang Laboratory)
Co-authors
Xuan Huang
(Shanghai Institute of Applied Physics)
Jinfang Chen
(Shanghai Advanced Research Institute)
Haixiao Deng
(Shanghai Advanced Research Institute)
Pengcheng Dong
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Zheng Wang
(Shanghai Institute of Applied Physics)
Yue Zong
(Shanghai Advanced Research Institute)
Shuai Xing
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Jiani Wu
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Xuming Liu
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Xiaohan Ouyang
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
ShenJie Zhao
(Shanghai Advanced Research Institute)
Yanfei Zhai
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
xiaoyun pu
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Dong Wang
(Shanghai Advanced Research Institute)
Yeliang Zhao
(Shanghai Advanced Research Institute, Chinese Academy of Sciences)
Xinghao Guo
(ShanghaiTech University)
Yawei Huang
(ShanghaiTech University)
Xia Yan
(ShanghaiTech University)
