FDTD Modeling of Isotropic Dispersive Magnetic Materials

Jing Wu
James L. Drewniak, Missouri University of Science and Technology
Marina Koledintseva, Missouri University of Science and Technology
David Pommerenke, Missouri University of Science and Technology

This document has been relocated to http://scholarsmine.mst.edu/ele_comeng_facwork/1632

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Abstract

Numerical analysis using the finite-difference time-domain (FDTD) algorithm with a piecewise linear recursive convolution (PLRC) procedure for linear isotropic dispersive magnetic materials is presented. The frequency dependence of susceptibility used for this algorithm is represented in Debye, narrowband Lorentzian, and wideband Lorentzian forms, depending on the ratio of the resonance frequency and the resonance line width. Some numerical examples along with measurements are provided.