Use of the fractional Fourier transform in π/2 converters of laser modes

被引：17

作者：

Malyutin, AA ^{[1
]}

机构：

[1] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Moscow 119991, Russia

来源：

QUANTUM ELECTRONICS | 2004年 / 34卷 / 02期

关键词：

fractional Fourier transform; astigmatic pi/2 converter; Hermite-Gaussian and Laguerre-Gaussian modes;

D O I：

10.1070/QE2004v034n02ABEH002604

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The possibility of using the fractional Fourier transform (FrFT) in optical schemes for astigmatic pi/2 converters of Hermite-Gaussian modes to donut Laguerre-Gaussian modes is considered. Several schemes of converters based on the FrFT of the half-integer and irrational orders are presented. The lowest FrFT order than can be used in astigmatic mode converters is found. The properties of converters based on the fractional and ordinary Fourier transforms are compared.

引用

页码：165 / 171

页数：7

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