Accuracy Limitations of Perfectly Matched Layers in 3D Finite-Difference Frequency-Domain Method

Published in:
IEEE MTT-S Int. Microwave Symp. Dig., 2002, pp. 1885-1888.
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Abstract:
The perfectly matched layer (PML) boundary condition is employed in conjunction with the 3D finite-difference frequency-domain method (FDFD) for S-parameter calculation of microwave devices. We find a residual reflection error, which is related only to discretization at the PML interface. The paper presents a systematic investigation for this parasitic effect and its origin.

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