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| WEPRI078 |
Development of a Quarter-wave Coaxial Coupler for 1.3 GHz Superconducting Cavities |
2675 |
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- Y. Xie, A. Kanareykin
Euclid TechLabs, LLC, Solon, Ohio, USA
- N. Solyak, V.P. Yakovlev
Fermilab, Batavia, Illinois, USA
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Superconducting ILC-type cavities have an rf coupler that is welded on. A detachable coupler will reduce conditioning time (can be conditioned separately), reduce cost and improve reliability. The problem with placing an extra flange in the superconducting cavity is creating a possible quench spot. Euclid Techlabs LLC designed a coupler and optimized its geometry that yielding an area on the surface with zero magnetic field (hence zero surface current). By placing a flange in that area we are able to avoid disturbing surface currents that typically lead to a quench. The coupler is optimized to preserve the axial symmetry of the cavity and rf field. The rf test results of this type coupler with a 1.3 GHz ILC-type single-cell cavity at Fermilab will be reported and discussed.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRI078
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