Paper | Title | Page |
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THPCH160 | Theoretical Study and Experimental Result of the RF Coupler Prototypes of Spiral 2 | 3170 |
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Spiral 2 is a 40 MeV superconducting linac under construction at GANIL. The RF couplers have to provide a 12 kW CW power to the cavities at 88 MHz. Two solutions corresponding to 2 different technologies have been designed and 2 prototypes have been built. We present the technical proposals and issues as well as the results (manufacturing, test at low and high power, multipacting ) leading to the final choice. |