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A Conformal 2D FDFD Eigen Mode Method for Wave Port Excitation and S-Parameter Extraction in 3D FDTD Simulation

A Conformal 2D FDFD Eigen Mode MethodIn this paper, a conformal 2D FDFD Eigen mode method is derived for solving arbitrarily shaped waveguides or transmission lines. Some examples such as horn antennas, circular waveguide filters and differential pairs are presented to show the capabilities of the developed conformal 2D FDFD Eigen mode solver.