Author： Tong Ming-Sze Yinchaochen Kuzuoglu Mustafa Mittra Raj
Publisher： Taylor & Francis Ltd
ISSN： 1362-3060
Source： International Journal of Electronics, Vol.86, Iss.9, 1999-09, pp. : 1085-1091
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Abstract
In this paper an unsplit anisotropic perfectly matched layer (PML) medium, previously utilized in the context of finite element analysis, is implemented in the finite difference time domain (FDTD) algorithm. The FDTD anisotropic PML is easy to implement in the existing FDTD codes, and is well suited for truncating inhomogeneous and layered media without special treatment required in the conventional PML approach. A further advantage of the present approach is improved performance at lower frequencies. The applications of the unsplit anisotropic PML/FDTD method are illustrated by considering the problems of a plane wave propagation and an open microstrip line.
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