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A Ka-band folded double-ridged waveguide traveling-wave tube
Author(s) -
J. He,
Yanyu Wei,
Yubin Gong,
Zhaoyun Duan,
Wenxiang Wang
Publication year - 2010
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.59.2843
Subject(s) - traveling wave tube , waveguide , optics , cathode ray , bandwidth (computing) , ka band , materials science , electron , physics , optoelectronics , telecommunications , amplifier , cmos , quantum mechanics , computer science
A novel slow-wave structure (SWS) the folded double-ridged waveguide structure is presented and its properties used for wide-band traveling-wave tube (TWT) are investigated. A Ka-band folded double-ridged waveguide TWT is modeled by Magic 3D and the beam-wave interaction is simulated and analyzed. Within the same beam condition it is concluded from the comparison of folded double-ridged waveguide TWT and folded waveguide TWT that: in the condition of similar gain maximum the folded double-ridged waveguide TWT has wider bandwidth of which is 22% and higher electron efficiency of which is 9.

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