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FDTD Implementation of Surface Impedance Boundary Condition for Dispersive Layer Backed by Perfect Conductor
Yasuhiro NISHIOKA Osamu MAESHIMA Toru UNO Saburo ADACHI
IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on Computational Electromagnetics)
FDTD, EM scattering, SIBC, PLRC,
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In this paper, the surface impedance boundary condition (SIBC) for a dispersive lossy medium backed by a perfect conductor is implemented in computation of electromagnetic (EM) scattering using the finite difference time domain (FDTD) method. The dispersion of the surface impedance is incorporated into FDTD update equations by using the piecewise linear recursive convolution (PLRC) approach. The validity of the proposed method is confirmed numerically.