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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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Self-Driving Energy-Recirculating Micromachined G-Band Folded Waveguide Traveling-Wave Tube Oscillator

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dc.contributor.author Lee, Ingeun ko
dc.contributor.author Sawant, Ashwini ko
dc.contributor.author Shin, Jinwoo ko
dc.contributor.author Choi, EunMi ko
dc.date.available 2018-06-07T10:59:41Z -
dc.date.created 2018-06-07 ko
dc.date.issued 2018-08 ko
dc.identifier.citation IEEE TRANSACTIONS ON ELECTRON DEVICES, v.65, no.8, pp.3492 - 3499 ko
dc.identifier.issn 0018-9383 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/24177 -
dc.description.abstract We propose a self-driving folded-waveguide traveling-wave tube (TWT) oscillator internally driven by a backward-wave oscillator (BWO). As a driving source, the initial beam energy obtained from the electrostatic field is converted to electromagnetic energy in the BWO. The TWT is designed to amplify the radio frequency signal from the spent electron beam condition as an energy-recirculating method. This paper presents a detailed design study and analysis of the individual circuits, as well as those of the combined circuit, which are conducted using the CST particle-in-cell commercial software and MAGIC code. A maximum average output power of 82.63 W at a frequency of 272 GHz is predicted under the lossless condition. Although the proposed self-driving circuit exhibits a relatively low output power, the key concept behind the novel circuit, which uses a spent electron beam as an amplification source, is validated via simulation. Furthermore, the tunable frequency of the proposed device is tested by changing the initial electron energy using CST Particle Studio, and the expected tunable frequency is 268-272GHz. ko
dc.language 영어 ko
dc.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC ko
dc.title Self-Driving Energy-Recirculating Micromachined G-Band Folded Waveguide Traveling-Wave Tube Oscillator ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85049149290 ko
dc.identifier.wosid 000439649900059 ko
dc.type.rims ART ko
dc.identifier.doi 10.1109/TED.2018.2844822 ko
dc.identifier.url https://ieeexplore.ieee.org/document/8396863/ ko
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