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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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System Development and Performance Testing of a W-Band Gyrotron

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Title
System Development and Performance Testing of a W-Band Gyrotron
Author
Kim, Sung GugSawant, AshwiniLee, IngeunKim, DongsungChoe, MunSeokWon, Jong-HyoKim, JunghoSo, JoonhoJang, WonChoi, EunMi
Keywords
Gyrotron; High-power sources; Millimeter wave
Issue Date
201603
Publisher
SPRINGER
Citation
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, v.37, no.3, pp.209 - 229
Abstract
A high-power W-band gyrotron has been designed and performance tested in Korea, with an output power in the range of tens of kilowatts. The gyrotron consists of a diode-type electron gun operating at 40 kV, a TE6,2 mode interaction cavity, and a mode converter for producing a highly Gaussian output mode beam. Presented here are the detailed component design procedure and the experimental results of the gyrotron’s performance evaluation. A maximum power of 62 kW was achieved with an efficiency of 22 %, and a highly Gaussian output beam was observed. The gyrotron’s output beam is analyzed, and its transmission through an oversized waveguide is discussed. This gyrotron is the first gyrotron developed in Korea with high power greater than 10 kW and high frequency greater than 90 GHz. © 2015 Springer Science+Business Media New Yor
URI
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DOI
http://dx.doi.org/10.1007/s10762-015-0221-1
ISSN
1866-6892
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