Calculation of the volumetric diffracted field with a three-dimensional convolution: the three-dimensional angular spectrum method

被引：8

作者：

Kou, Shan Shan ^{[1
]}

Sheppard, Colin J. R. ^{[2
]}

Lin, Jiao ^{[1
]}

机构：

[1] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

[2] Ist Italiano Tecnol, I-16163 Genoa, Italy

来源：

OPTICS LETTERS | 2013年 / 38卷 / 24期

基金：

澳大利亚研究理事会;

关键词：

RAYLEIGH-SOMMERFELD DIFFRACTION; MICROSCOPY; APERTURE; IMAGE;

D O I：

10.1364/OL.38.005296

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The first Rayleigh-Sommerfeld diffraction formula is treated in an exact form as a three-dimensional (3D) convolution in the spatial domain. Therefore, a 3D Fourier transform can be employed to convert the 3D diffracted electromagnetic field to the reciprocal space without approximations, which we call the 3D angular spectrum (3D-AS) method. It is also demonstrated that if evanescent waves are neglected, the 3D-AS method can be readily implemented numerically, with the results in good agreement with theoretical predictions. (C) 2013 Optical Society of America

引用

页码：5296 / 5298

页数：3

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