Demonstration of a high power broadband mm-wave gyro-TWA

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Abstract

Design and experimental results of a broadband, high power, millimetre-wave gyrotron traveling wave amplifier (gyro-TWA) operating in the 75-110 GHz frequency band and based on a helically corrugated interaction region (HCIR) and cusp electron beam source are presented. The second harmonic cyclotron mode of the electron beam was used to match the dispersion of an eigenwave in the HCIR, achieving energy transfer from the electrons to waves over a large frequency range. The gyro-TWA was measured to generate a maximum power of a few kWs with an unsaturated gain of 36-38 dB in the driving frequency band of 91-96.5 GHz.

Original languageEnglish
Title of host publication2017 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages3
ISBN (Electronic)9781538627204
DOIs
Publication statusPublished - 16 Oct 2017
Event10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017 - Liverpool, United Kingdom
Duration: 11 Sep 201713 Sep 2017

Conference

Conference10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017
CountryUnited Kingdom
CityLiverpool
Period11/09/1713/09/17

Keywords

  • gyro-device
  • gyro-TWA
  • gyrotron amplifier
  • gyrotron traveling wave amplifier
  • mm-wave
  • mm-wave amplifier
  • mm-wave source
  • microwave amplifier
  • microwave devices

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