期刊
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
卷 59, 期 -, 页码 101-112出版社
E M W PUBLISHING
DOI: 10.2528/PIER05080701
关键词
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We present an efficient modal method to calculate the two-dimensional Green's function for electromagnetics in curvilinear coordinates. For this purpose the coordinate transformation based differential method, introduced for the numerical analysis of surface-relief gratings, is directly used with perfectly matched layers (PMLs). The covariant formalism Maxwell's equations, very convenient for the non-orthogonal coordinates formulation, also gives an unified analysis of PMLs. Numerical results for a line source placed above a perfectly conducting corrugated surface are presented.
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