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Improvement of the Performance of a Helix Slow-Wave Structure With a Copper-Embedded Barrel

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4 Author(s)
Yong Han ; Inst. of Electron., Chinese Acad. of Sci., Beijing, China ; Yan-Wen Liu ; Yao-Gen Ding ; Pu-Kun Liu

The effect of a copper-embedded barrel on the performance of a helix slow-wave structure (SWS) has been studied theoretically and experimentally. The heat dissipation capability and cold-test characteristics of the SWSs with a monel barrel, a normal copper barrel, and a copper-embedded monel barrel have been analyzed and compared. With its combination of high mechanical strength and good thermal conductivity, the copper-embedded monel barrel enables better heat dissipation capability than the other barrel types and has low RF losses.

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Electron Devices, IEEE Transactions on  (Volume:57 ,  Issue: 5 )