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TY - CONF AU - Yoon, J.Y. AU - Bahng, J. AU - Cha, H.J. AU - Jang, S.W. AU - Kim, E.-S. AU - Kim, K.R. AU - Park, C.S. AU - Park, S.H. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Design Study of 325MHz RF Power Coupler for Superconducting Cavity J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - 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. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2937 EP - 2939 KW - cavity KW - impedance KW - superconducting-cavity KW - resonance KW - simulation DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPRB056 UR - http://jacow.org/ipac2019/papers/weprb056.pdf ER -