A fourth order FDFD approach for the analysis of sectorial elliptic waveguides

FANTI, ALESSANDRO;DEIAS, LUISA;CASULA, GIOVANNI ANDREA;MONTISCI, GIORGIO
2015-01-01

Abstract

We present a fourth order frequency domain finite difference approach (FDFD) in curvilinear coordinates for the computation of the modes of sectorial and ridged elliptic waveguides. The use of an elliptic mesh allows to avoid usual the staircase approximations of the boundary, providing a very effective and accurate procedure.
2015
Cutoff frequency; Elliptical ridged waveguide analysis; Finite difference frequency domain; Microwave components; Microwave filters; Ridged waveguides; Waveguide modes
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