Saddle point wave fields

被引：43

作者：

Freund, I ^{[1
]}

机构：

[1] Bar Ilan Univ, Jack & Pearl Resnick Adv Technol Inst, IL-52900 Ramat Gan, Israel

[2] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel

来源：

OPTICS COMMUNICATIONS | 1999年 / 163卷 / 4-6期

基金：

以色列科学基金会;

关键词：

D O I：

10.1016/S0030-4018(99)00142-X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Analytic algorithms are presented for the construction of wave fields whose only critical points are saddle points at predetermined locations. A simple calculus is developed for the evolution of these fields embedded in Gaussian laser beams, and is used to study the propagation of generic examples. This calculus is also applied to the propagation of embedded vortex arrays whose complexity strains standard methods. Possible applications of saddle point optical fields are outlined. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：230 / 242

页数：13

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