Nonuniform sampled scalar diffraction calculation using nonuniform fast Fourier transform

被引：29

作者：

Shimobaba, Tomoyoshi ^{[1
]}

Kakue, Takashi ^{[1
]}

Oikawa, Minoru ^{[1
]}

Okada, Naohisa ^{[1
]}

Endo, Yutaka ^{[1
]}

Hirayama, Ryuji ^{[1
]}

Ito, Tomoyoshi ^{[1
]}

机构：

[1] Chiba Univ, Grad Sch Engn, Inage Ku, Chiba 2638522, Japan

来源：

OPTICS LETTERS | 2013年 / 38卷 / 23期

基金：

日本学术振兴会;

关键词：

ANGULAR SPECTRUM METHOD; ZOOMABLE HOLOGRAPHIC PROJECTION; FRESNEL DIFFRACTION; PROPAGATION;

D O I：

10.1364/OL.38.005130

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Scalar diffraction calculations, such as the angular spectrum method (ASM) and Fresnel diffraction, are widely used in the research fields of optics, x rays, electron beams, and ultrasonics. It is possible to accelerate the calculation using fast Fourier transform (FFT); unfortunately, acceleration of the calculation of nonuniform sampled planes is limited due to the property of the FFT that imposes uniform sampling. In addition, it gives rise to wasteful sampling data if we calculate a plane having locally low and high spatial frequencies. In this Letter, we developed nonuniform sampled ASM and Fresnel diffraction to improve the problem using the nonuniform FFT. c 2013 Optical Society of America

引用

页码：5130 / 5133

页数：4

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