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| MOPVA051 |
Design of the High Power 1.5 GHz Input Couplers for BESSY VSR |
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- E. Sharples, M. Dirsat, J. Knobloch, A.V. Vélez
HZB, Berlin, Germany
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The Variable pulse length Storage Ring (BESSY VSR) upgrade to BESSY II at Helmholtz-Zentrum Berlin (HZB) requires an upgrade on the RF systems in the form of high-voltage longitudinally focusing super conducting RF cavities of 1.5 GHz ad 1.75 GHz. For operation, coaxial RF power couplers capable of handling 13 kW peak power at standing wave operation are required for both the 1.5 GHz and 1.75 GHz cavities. The coupler is based on a design by Cornell University with modifications to suit frequency and coupling requirements. The coupler is intended to provide variable coupling with a range of Qext from 6x106 to 6x107 to allow flexibility to adjust to operating conditions of BESSY VSR. Here we present the RF design of the high-power coaxial coupler for BESSY VSR along with the design of the test stand for conditioning a pair of couplers.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPVA051
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