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基于亥姆霍兹-基尔霍夫近似的数值光传播模型中图像和傅里叶平面采样的后果。II. 两种数值算法之间的比较。

Consequences of sampling an image and Fourier planes in a numerical light propagation model based on the Helmholtz-Kirchhoff approximation. II. Comparison between two numerical algorithms.

作者信息

Sokołowski Aleksander, Wiecek Tomasz

机构信息

The Faculty of Management and Marketing, Rzeszów University of Technology, ul. W. Pola 2, 35-959 Rzeszów, Poland.

出版信息

J Opt Soc Am A Opt Image Sci Vis. 2010 Jul 1;27(7):1688-93. doi: 10.1364/JOSAA.27.001688.

DOI:10.1364/JOSAA.27.001688
PMID:20596157
Abstract

Two numerical algorithms describing a light propagation model based on the Helmholtz-Kirchhoff approximation have been compared. The first of them uses a fast Fourier transformation algorithm and the second one is based on ordinary numerical integration. The comparison shows that the results obtained with the algorithms are different generally. Both algorithms give the results in accordance with the experiment, only in specific and different ranges of propagation distance.

摘要

比较了两种基于亥姆霍兹-基尔霍夫近似描述光传播模型的数值算法。其中第一种算法使用快速傅里叶变换算法，第二种算法基于普通数值积分。比较结果表明，两种算法得到的结果通常是不同的。两种算法都能给出与实验相符的结果，只是在特定且不同的传播距离范围内。

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