Abstract

A stretched-coordinate (SC) based complexfrequency-shifted perfectly matched layer (CFS-PML) is presented for the two-dimensional Weighted-Laguerre-polynomials (WLPs) finite-difference time-domain (FDTD) method. The proposed CFS-PML is background medium independent, and can be easily extended to dispersive medium. Numerical examples show the effectiveness of the proposed CFS-PML in truncating both air and dispersive medium.

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