Direct calculation of a three-dimensional diffracted field

被引:17
|
作者
Lin, J. [2 ]
Yuan, X. -C. [1 ]
Kou, S. S. [3 ]
Sheppard, C. J. R. [3 ]
Rodriguez-Herrera, O. G. [4 ]
Dainty, J. C. [4 ]
机构
[1] Nankai Univ, Minist Educ China, Key Lab Optoelect Informat Sci & Technol, Inst Modern Opt, Tianjin 300071, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Photon Res Ctr, Singapore 639798, Singapore
[3] Natl Univ Singapore, Div Bioengn, Opt Bioimaging Lab, Singapore 117576, Singapore
[4] Natl Univ Ireland, Sch Phys, Appl Opt Grp, Galway, Ireland
基金
爱尔兰科学基金会;
关键词
D O I
10.1364/OL.36.001341
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present an approach to calculating the complex amplitude of a three-dimensional (3D) diffracted light field in the paraxial approximation based on a 3D Fourier transform. Starting from the Huygens-Fresnel principle, the method is first developed for the computation of the light distribution around the focus of an apertured spherical wave. The method, with modification, is then extended to treat the 3D diffraction of an aperture with an arbitrary transmittance function. (c) 2011 Optical Society of America
引用
收藏
页码:1341 / 1343
页数:3
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