Free-space diffraction and the fractional Fourier transform

被引：6

作者：

Sheppard, CJR ^{[1
]}

机构：

[1] Univ Sydney, Sch Phys, Dept Phys Opt, Sydney, NSW 2006, Australia

[2] Univ Sydney, Australian Key Ctr Microscopy & Microanal, Sydney, NSW 2006, Australia

来源：

JOURNAL OF MODERN OPTICS | 1998年 / 45卷 / 10期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1080/09500349808231745

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An explicit expression is derived for free-space propagation in terms of the fractional Fourier transform. The expression contains two arbitrary parameters, which can be, for example, an original phase curvature together with a scaling parameter or, alternatively, the order of fractional transformation. Appropriate choice of these parameters is discussed. This approach is then applied to the free-space propagation of Gaussian beams.

引用

页码：2097 / 2103

页数：7

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