Perfectly matched layers as nonlinear coordinate transforms: a generalized formalization

被引：194

作者：

Hugonin, JP ^{[1
]}

Lalanne, P ^{[1
]}

机构：

[1] CNRS, Lab Charles Fabry, Inst Opt, F-91403 Orsay, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2005年 / 22卷 / 09期

关键词：

D O I：

10.1364/JOSAA.22.001844

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A modified formulation of Maxwell's equations is presented that includes a complex and nonlinear coordinate transform along one or two Cartesian coordinates. The added degrees of freedom in the modified Maxwell's equations allow one to map an infinite space to a finite space and to specify graded perfectly matched absorbing boundaries that allow the outgoing wave condition to be satisfied. The approach is validated by numerical results obtained by using Fourier-modal methods and shows enhanced convergence rate and accuracy. (c) 2005 Optical Society of America.

引用

页码：1844 / 1849

页数：6

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