Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method

Alexei Deinega; Ilya Valuev

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Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method

机译：有限差分时域方法对导电和色散介质的亚像素平滑

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Staircasing of media properties is one of the intrinsic problems of the finite-difference time-domain method, which reduces its accuracy. There are different approaches for solving this problem, and the most successful of them are based on correct approximation of inverse permittivity tensor (epsilon)~(-1) at the material interface. We report an application of this tensor method for conductive and dispersive media. For validation, comparisons with analytical solutions and various other subpixel smoothing methods are performed for the Mie scattering from a small sphere.

机译：媒体属性的阶梯化是有限差分时域方法的固有问题之一，这降低了其准确性。解决此问题的方法有很多，其中最成功的方法是基于材料界面处介电常数逆张量（epsilon）〜（-1）的正确近似。我们报告了这种张量方法在导电和分散介质中的应用。为了进行验证，对小球的Mie散射与分析解决方案和各种其他子像素平滑方法进行了比较。

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《Optics Letters》 |2007年第23期|共3页
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Alexei Deinega; Ilya Valuev;
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正文语种 eng
中图分类光学;
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专利

1. Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method [J] . Alexei Deinega, Ilya Valuev Optics Letters . 2007,第23期

机译：有限差分时域方法对导电和色散介质的亚像素平滑
2. Accurate finite-difference time-domain simulation of anisotropic media by subpixel smoothing [J] . Ardavan F. Oskooi, Chris Kottke, Steven G. Johnson Optics Letters . 2009,第18期

机译：通过亚像素平滑对各向异性介质进行精确的时域有限差分模拟
3. A Novel Piecewise Linear Recursive Convolution Approach for Dispersive Media Using the Finite-Difference Time-Domain Method [J] . Giannakis I., Giannopoulos A. IEEE Transactions on Antennas and Propagation . 2014,第5期

机译：基于时域有限差分法的色散介质分段线性递归卷积方法
4. Extension of the magnetically mixed Newmark-Leapfrog finite-difference time-domain method to Debye dispersive media [C] . Kazuhiro Fujita IEEE International Conference on Computational Electromagnetics . 2017

机译：磁混合Newmark-Leapfrog时域有限差分方法的扩展到Debye色散介质
5. Dual Grid Finite-Difference Time-Domain Method for Maxwell Equations in Complex Media [D] . Cornelius, Jason 2019

机译：复杂介质中麦克斯韦方程组的双网格有限差分时域方法
6. Numerical Analysis of H-PDLC Using the Split-Field Finite-Difference Time-Domain Method [O] . Sergio Bleda, Jorge Francés, Sergi Gallego, 2018

机译：H-PDLC的裂域有限差分时域法数值分析
7. Accurate finite-difference time-domain simulation of anisotropic media by subpixel smoothing [O] . Ardavan F. Oskooi, Chris Kottke, Steven G. Johnson 2009

机译：通过亚像素平滑精确求解各向异性介质的时域有限差分
8. Finite-Difference Time-Domain Calculations Based on Recursive ConvolutionApproach for Propagation of Electromagnetic Waves in Nonlinear Dispersive Media [R] . Yakura, S. J., MacGillivray, J. 1997

机译：基于递归卷积方法的非线性色散介质中电磁波传播的时域有限差分计算

Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method

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