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Kazakov, S.

Paper Title Page
WPAT084 A NEW DESIGN FOR A SUPER-CONDUCTING CAVITY INPUT COUPLER 4141
 
  • H. Matsumoto, S. Kazakov, K. Saito
    KEK, Ibaraki
  
  Funding: Toshiba Electron Tube & Devices Co. Ltd., Tochigi, Otawa, Japan.

An attractive structure using capacitive coupling has been found for the input coupler for the 45 MV/m versions of the International Linear Collider (ILC) project. The coupler supports an electrical field gradient of ~1 kV/m around the rf window ceramic with 500 kW through power, a VSWR of 1.1 and a frequency bandwidth of 460 MHz. No unwanted resonances were found in the rf window near the first and second harmonics of the operation frequency.