Diffraction of Laguerre-Gaussian Beam by a Helical Axicon

被引：14
|
作者：
Topuzoski, S. [1 ]
Janicijevic, Lj. [1 ]
机构：
[1] Univ Sts Cyril & Methodius, Inst Phys, Skopje, Macedonia
来源：
ACTA PHYSICA POLONICA A | 2009年 / 116卷 / 04期
关键词：
BESSEL BEAMS; ORDER;
D O I：
10.12693/APhysPolA.116.557
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this article the transformation of the Laguerre-Gaussian beam with radial mode number n and azimuthal mode number l, into a vortex, diverging or nondiverging Bessel beam with increased, decreased or zeroth phase singularity order has been investigated theoretically. We deduce and study analytical expressions for the amplitude and intensity distribution of the diffracted wave field in the process of Fresnel diffraction, using the stationary phase method, and also, for the vortex radius and the propagation distance of the output field.
引用
收藏
页码：557 / 559
页数：3
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