Bandwidth study of the microwave reflectors with rectangular corrugations

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The mode-selective microwave reflector with periodic rectangular corrugations in the inner surface of a circular metallic waveguide is studied in this paper. The relations between the bandwidth and reflection coefficient for different numbers of corrugation sections were studied through a global optimization method. Two types of reflectors were investigated. One does not consider the phase response and the other does. Both types of broadband reflectors operating at W-band were machined and measured to verify the numerical simulations.
Original languageEnglish
Number of pages12
JournalJournal of Infrared, Millimeter and Terahertz Waves
Publication statusAccepted/In press - 23 Apr 2016



  • periodic waveguide
  • broadband reflector
  • mode matching method

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