Author: Cha, H.J.
Paper Title Page
WEPRB056 Design Study of 325MHz RF Power Coupler for Superconducting Cavity 2937
SUSPFO088   use link to see paper's listing under its alternate paper code  
  • J.Y. Yoon, H.J. Cha, S.W. Jang, E.-S. Kim, K.R. Kim, C.S. Park, S. H. Park
    KUS, Sejong, Republic of Korea
  • J. Bahng
    Korea University Sejong Campus, Sejong, Republic of Korea
  • K.R. Kim
    PAL, Pohang, Kyungbuk, Republic of Korea
  We present the design study of the RF input power coupler for 325 MHz superconducting cavities. The power coupler, based on a conventional coaxial transmission line, provides RF powers to the cavity up to 12kW in CW mode. The thermal interceptors are considered as 4.5 K and 40 K or 4.5 K and 77 K corresponding to the usage of liquid Helium only or both liquid Helium and Nitrogen for cryogenic temperature to reduce the thermal load. The transition box (T-box), which is assembled with power coupler, is designed and applied for impedance matching and inner conductor cooling.  
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About • paper received ※ 14 May 2019       paper accepted ※ 23 May 2019       issue date ※ 21 June 2019  
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