Transformation of the orbital angular momentum of a beam with optical vortex in an astigmatic optical system

被引：41

作者：

Bekshaev, AY ^{[1
]}

Vasnetsov, MV

Denisenko, VG

Soskin, MS

机构：

[1] Odessa II Mechnikov State Univ, UA-65026 Odessa, Ukraine

[2] Natl Acad Sci Ukraine, Inst Phys, UA-03039 Kiev, Ukraine

来源：

JETP LETTERS | 2002年 / 75卷 / 03期

关键词：

D O I：

10.1134/1.1469497

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Double sign inversion of the topological charge of an optical vortex was predicted and observed experimentally for a beam focused by a cylindrical lens. Beam evolution after passing through the lens is analyzed by the decomposition of the orbital angular momentum into the "vortical" and "mechanical" components. Topological reactions in the beam wave resulting in the sign inversion of the optical vortex upon the intersection of the wave-front edge dislocation are considered. (C) 2002 MAIK "Nauka / Interperiodica".

引用

页码：127 / 130

页数：4

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