Performance measurements of mode-converting corrugated horns

Craig R. Donaldson, Paul McElhinney, Liang Zhang, Adrian W. Cross, Wenlong He

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

This paper presents the design, simulation and measurement of two mode converting corrugated horns for application as the output launcher for a gyro-amplifier. Operating over the 90 to 100 GHz frequency range the horns act to convert the TE11 mode to the Gaussian-like HE11 mode. The difference in the horns is one was made initially to meet a more moderate Gaussian content specification while the other was improved to meet stricter criteria on Guassian content as-well-as being vacuum tight and compatible with integration with a broadband multi-layer vacuum window. The results are presented and show that in both cases the measured results agree well with simulated values and ultimately the second horn was demonstrated to be a good candidate to be tested on a gyrotron amplifier.

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 pages2
ISBN (Electronic)9781538627204
DOIs
Publication statusPublished - 13 Oct 2017
Event10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017 - Liverpool, United Kingdom
Duration: 11 Sept 201713 Sept 2017

Conference

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

Keywords

  • two mode converting corrugated horns
  • gyro-amplifier
  • high power gyrotron-traveling wave amplifier

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