Fast near field calculations in the discrete dipole approximation for regular rectilinear grids

被引：230

作者：

Flatau, P. J. ^{[1
]}

Draine, B. T. ^{[2
]}

机构：

[1] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA

[2] Princeton Univ Observ, Princeton, NJ 08544 USA

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 02期

基金：

美国国家科学基金会;

关键词：

NANOPARTICLES; SCATTERING;

D O I：

10.1364/OE.20.001247

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A near-field calculation of light electric field intensity inside and in the vicinity of a scattering particle is discussed in the discrete dipole approximation. A fast algorithm is presented for gridded data. This algorithm is based on one matrix times vector multiplication performed with the three dimensional fast Fourier transform. It is shown that for moderate and large light scattering near field calculations the computer time required is reduced in comparison to some of the other methods. (C) 2012 Optical Society of America

引用

页码：1247 / 1252

页数：6

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