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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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Experimental results for a 1.5 MW, 110 GHz gyrotron oscillator with reduced mode competition

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dc.contributor.author Choi, EunMi ko
dc.contributor.author Marchewka, CD ko
dc.contributor.author Mastovsky, I ko
dc.contributor.author Sirigiri, JR ko
dc.contributor.author Shapiro, MA ko
dc.contributor.author Temkin, RJ ko
dc.date.available 2015-03-16T05:29:23Z -
dc.date.created 2014-11-11 ko
dc.date.issued 2006-02 ko
dc.identifier.citation PHYSICS OF PLASMAS, v.13, no.2, pp.1 - 7 ko
dc.identifier.issn 1070-664X ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/10881 -
dc.description.abstract A new result from a 110 GHz gyrotron at MIT is reported with an output power of 1.67 MW and an efficiency of 42% when operated at 97 kV and 41 A for 3 mu s pulses in the TE22,6 mode. These results are a major improvement over results obtained with an earlier cavity design, which produced 1.43 MW of power at 37% efficiency. These new results were obtained using a cavity with a reduced output taper angle and a lower ohmic loss when compared with the earlier cavity. The improved operation is shown experimentally to be the result of reduced mode competition from the nearby TE19,7 mode. The reduced mode competition agrees well with an analysis of the startup scenario based on starting current simulations. The present results should prove useful in planning long pulse and CW versions of the 110 GHz gyrotron. ko
dc.description.statementofresponsibility open -
dc.language 영어 ko
dc.publisher AMER INST PHYSICS ko
dc.title Experimental results for a 1.5 MW, 110 GHz gyrotron oscillator with reduced mode competition ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-33644584644 ko
dc.identifier.wosid 000235663900035 ko
dc.type.rims ART ko
dc.description.wostc 14 *
dc.description.scopustc 15 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1063/1.2171522 ko
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33644584644 ko
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