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Design of trapezoidal-ridge waveguide by finite-element method

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2 Author(s)
Lu, M. ; Dept. of Electron. & Electr. Eng., Univ. of Bath, UK ; Leonard, P.J.

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.

Published in:

Microwaves, Antennas and Propagation, IEE Proceedings  (Volume:151 ,  Issue: 3 )