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| WEPWB098 |
Development and Evaluation of STF-Type Power Coupler for Cost Reduction at the High Energy Accelerator Research Organization |
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- Y. Yamamoto, T. Matsumoto, S. Michizono
KEK, Ibaraki, Japan
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At KEK, cost reduction study for STF-type input power coupler used in the STF-2 accelerator has been attempted since FY2015. In FY2019, one coupler was fabricated by some cost-effective and non-conventional methods including different alumina-ceramic material, copper plating and TiN coating. In high power RF test at room temperature, this coupler achieved 1 MW at 900 µsec/5Hz, and 935 kW @1.65 msec/5Hz. After that, this coupler experienced 10 thermal cycle tests from room temperature to liquid nitrogen temperature without vacuum leakage. In this report, the detailed results will be presented.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-SRF2023-WEPWB098
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| About • |
Received ※ 17 June 2023 — Revised ※ 24 June 2023 — Accepted ※ 26 June 2023 — Issue date ※ 02 July 2023 |
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