A wide-band HE11 mode window for millimeter wave gyro-TWAs

C. R. Donaldson, P. McElhinney, L. Zhang, H. Yin, A. W. Cross, W. He

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

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Abstract

Broadband windows are critical components in gyro-TWAs and pose a great challenge to manufacture. They are required to have very low reflection whilst coupling in microwave power. Presented in this paper is the design, simulation and measurement of a wide-band (90 to 100 GHz) multilayer microwave window using the HE11 mode as the input microwave mode. The simulated performance shows a better than -30 dB reflection over a 10% bandwidth of 90-100 GHz. The measured window is in very good agreement with simulations.

Original languageEnglish
Title of host publicationIRMMW-THz 2015
Subtitle of host publication40th International Conference on Infrared, Millimeter, and Terahertz Waves
Place of PublicationPiscataway, NJ.
PublisherIEEE
Pages1-2
Number of pages2
ISBN (Print)9781479982721
DOIs
Publication statusPublished - 12 Nov 2015
Event40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015 - Hong Kong, China
Duration: 23 Aug 201528 Aug 2015

Conference

Conference40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
Country/TerritoryChina
CityHong Kong
Period23/08/1528/08/15

Keywords

  • gyrotons
  • microwave amplifiers
  • microwave tubes
  • multilayers
  • travelling wave amplifiers
  • broadband communication
  • microwave measurement
  • nonhomogeneous media
  • reflection

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