Optical implementation of scale invariant fractional Fourier transform of continuously variable orders with a two-lens system

被引：29

作者：

Cai, LZ ^{[1
]}

Wang, YQ

机构：

[1] Shandong Univ, Dept Opt, Jinan 250100, Peoples R China

[2] Luoyang Teachers Coll, Dept Phys, Luoyang 471022, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2002年 / 34卷 / 03期

关键词：

fractional Fourier transform; scaling invariance; lens system;

D O I：

10.1016/S0030-3992(02)00007-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A simple two ordinary lens system is proposed to realize the fractional Fourier transform (FRT) of continuously variable order while keeping the scaling factors of both the input and output functions as the same constant independent of the geometric parameters of the system and the FRT orders. It can remove the necessity and inconvenience of using input masks of different scales or any other special devices, and then is helpful to those who want to observe the FRT but have no specific facilities. (C) 2002 Elsevier Science Ltd. All rights reserved.

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页码：249 / 252

页数：4

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