Keyword: RF-structure
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THPB087 Design and Simulation of High Power Input Coupler for C-ADS Linac 5-Cell Elliptical Cavities simulation, cavity, electron, impedance 1343
 
  • K.X. Gu
    Institute of High Energy Physics (IHEP), Chinese Academy of Sciences, Beijing, People's Republic of China
  • X. Chen, T.M. Huang, Q. Ma, W.M. Pan
    IHEP, Beijing, People's Republic of China
 
  Two 650 MHz elliptical cavity sections (elliptical 063, elliptical 082) are chosen to accelerate medium energy protons for China Accelerator Driven sub-critical System (C-ADS) linac. For each 5-cell cavity, RF power up to 150 kW in CW mode is required to be fed by a fundamental power coupler (FPC). A coaxial type coupler is designed to meet the power and RF coupling requirements. This paper presents the RF design, thermal analysis and multipacting simulations of the coupler for C-ADS 5-cell elliptical cavities.  
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