A perfectly matched layer for finite-element calculations of diffraction by metallic surface-relief gratings

被引：7
|
作者：
Rivas, Cinthya
Rodriguez, Rodolfo
Solano, Manuel E. [1 ]
机构：
[1] Univ Concepcion, CI2MA, Concepcion, Chile
来源：
WAVE MOTION | 2018年 / 78卷
关键词：
Periodic diffraction grating; Perfectly matched layer; Finite element method; ELECTROMAGNETIC ANALYSIS; SCATTERING PROBLEMS; SOLAR-CELLS; INTERFACE; ABSORPTION;
D O I：
10.1016/j.wavemoti.2018.01.004
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
We introduce a perfectly matched layer approach for finite element calculations of diffraction by metallic surface-relief gratings. We use a non-integrable absorbing function which allows us to use thin absorbing layers, which reduces the computational time when simulating this type of structure. In addition, we numerically determine the best choice of the absorbing layer parameters and show that they are independent of the wavelength. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：68 / 82
页数：15
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