Design and measurement of a polarization convertor based on truncated circular waveguide

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24 Citations (Scopus)

Abstract

A polarization convertor based on a truncated circular waveguide is studied. It is simple to make and suitable for operating in the low terahertz frequency range. The bandwidth, machining tolerance and the nonlinear taper, used to reduce microwave reflection, are discussed. A W-band truncated polarization convertor was fabricated and its microwave properties were measured. An averaged transmission loss of −0.3 dB and a reflection of −30 dB were measured, which are in good agreement with the analytical calculation and numerical simulation presented in this paper.
Original languageEnglish
Article number345103
Number of pages7
JournalJournal of Physics D: Applied Physics
Volume45
Issue number34
Early online date10 Aug 2012
DOIs
Publication statusPublished - 10 Aug 2012

Keywords

  • waveguide
  • transmission lines
  • polarization convertor

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