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Author

Choi, EunMi
THz Vacuum Electronics and Electrodynamics
Research Interests
  • High power millimeter-wave/THz wave, vacuum electronics, plasma breakdown, electron beams, electromagnetics, microwave/RF engineering

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Higher order mode generation in millimeter wave regime by directly launched fundamental mode

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Title
Higher order mode generation in millimeter wave regime by directly launched fundamental mode
Author
Choe, Mun SeokChoi, EunMi
Keywords
F-band; Frequency ranges; Fundamental modes; Gyrotron amplifiers; Higher-order modes; mode generation; Mode generator; Mode suppression
Issue Date
201407
Publisher
WILEY-BLACKWELL
Citation
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.56, no.7, pp.1648 - 1651
Abstract
We report on a novel method to generate higher order modes in the frequency range of millimeter and submillimeter wave regime. The method uses magnetic coupling scheme between waveguide fundamental mode and a cavity mode. A TE 62 mode at W-band was considered for design using the proposed scheme. The suggested method simplifies a mode generator design allowing direct feeding via a standard fundamental waveguide and also provides a compact mode generator to design extremely higher order mode in a cavity. In addition, it opens a new and novel way to develop high power high gain gyrotron amplifiers at millimeter and submillimeter wave regime.
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DOI
http://dx.doi.org/10.1002/mop.28408
ISSN
0895-2477
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