Design of trapezoidal-ridge waveguide by finite-element method

M Lu, P J Leonard

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

Transmission characteristics of single and double trapezoidal-ridge waveguides, are analysed by the finite-element method. Design data of cutoff wavelength and single-mode bandwidth for different ridge dimensions are presented in tabulated forms. Field patterns of dominant mode and the first higher-order TE mode in both waveguides are also illustrated. Numerical results provide an extension to the existing design data of rectangular-ridge waveguides and are considered to be helpful in practical applications.
Original languageEnglish
Pages (from-to)205-211
Number of pages7
JournalIEE Proceedings - Microwaves Antennas and Propagation
Volume151
Issue number3
Publication statusPublished - 2004

Keywords

  • waveguide theory
  • finite element analysis
  • finite-element method
  • transmission characteristics
  • cutoff wavelength
  • ridge waveguides
  • first higher-order TE mode
  • dominant mode field patterns
  • trapezoidal-ridge waveguide design
  • single-mode bandwidth

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