Paper | Title | Page |
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WPAT084 | A NEW DESIGN FOR A SUPER-CONDUCTING CAVITY INPUT COUPLER | 4141 |
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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. |