Propagation of superpositions of coaxial optical Bessel beams carrying vortices

被引：20

作者：

Orlov, S ^{[1
]}

Stabinis, A ^{[1
]}

机构：

[1] Vilnius Univ, Dept Quantum Elect, LT-2040 Vilnius, Lithuania

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2004年 / 6卷 / 05期

关键词：

Bessel beam; optical vortex; diffraction;

D O I：

10.1088/1464-4258/6/5/023

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The general case of coaxial superposition of two Bessel singular beams with different radial frequencies and apertures under free space propagation is analysed. We reveal that in some cases the total topological charge of the field is not conserved under diffraction. The vortical structure of the combined beam is also discussed.

引用

页码：S259 / S262

页数：4

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