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Transmission characteristics of depressed-ridge waveguide are analyzed by the finite element method. Design data of cutoff wavelength of the dominant mode and single-mode bandwidth for different ridge dimensions are presented in tabulated forms. Field patterns of the dominant mode and the first higher-order TE mode are also illustrated. Numerical results are obtained, which are useful in the design...
The finite element method is introduced to analyze the transmission characteristics of upswept-ridge waveguide, variations of the cutoff wavelength of the dominant mode and single-mode bandwidth with the ridge dimensions for different values are calculated, field patterns of the dominant mode and the first higher-order TE mode are also illustrated. Numerical results in this article provide an extension...
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