A NOVEL SLOTTED HELIX SLOW-WAVE STRUCTURE FOR MILLIMETER-WAVE TRAVELING-WAVE TUBE

A novel slotted helix slow-wave structure (SWS) is proposed to develop high power, wide-bandwidth, high reliability millimeter-wave traveling-wave tube (TWT). This structure, which can improve the heat dissipation capability of the helix SWS, evolves from conventional helix SWS with three parallel r...

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Bibliographic Details
Published in:Electromagnetic waves (Cambridge, Mass.) Mass.), 2013-03, Vol.135, p.347-362
Main Authors: Liu, Luwei, Wei, Yanyu, Xu, Jin, Lu, Zhigang, Yin, Hairong, Yue, Lingna, Gong, Huarong, Zhao, Guoqing, Duan, Zhaoyun, Wang, Wenxiang, Gong, Yubin
Format: Article
Language:English
Subjects:
Design and construction
Engineering design
Methods
Vacuum-tubes
Wave propagation
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Summary:A novel slotted helix slow-wave structure (SWS) is proposed to develop high power, wide-bandwidth, high reliability millimeter-wave traveling-wave tube (TWT). This structure, which can improve the heat dissipation capability of the helix SWS, evolves from conventional helix SWS with three parallel rows of rectangular slots made in the outside of the helix. In this paper, thermal stress analysis, the electromagnetic characteristics and the beam-wave interaction of this structure are investigated. The conclusions of this paper will be a great help for the design of millimeter-wave traveling-wave tube.
ISSN:1559-8985
1070-4698
1559-8985
DOI:10.2528/PIER12112611