Optical vortex symmetry breakdown and decomposition of the orbital angular momentum of light beams

被引：100

作者：

Bekshaev, AY ^{[1
]}

Soskin, MS

Vasnetsov, MV

机构：

[1] II Mechnoikov Natl Univ, Dvorianska 2, UA-65026 Odessa, Ukraine

[2] Natl Acad Sci Ukraine, Inst Phys, UA-03028 Kiev, Ukraine

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2003年 / 20卷 / 08期

关键词：

D O I：

10.1364/JOSAA.20.001635

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Two forms of the transverse energy circulation within plane-polarized paraxial light beams are specified: one inherent in wave-front singularities (optical vortices) and the other peculiar to astigmatism and asymmetry of beams with a smooth wave front. As quantitative measures of these energy flow components, the concepts of vortex and asymmetry parts of a beam's orbital angular momentum are introduced and their definitions are proposed on the basis of beam intensity moments. The properties and physical meaning of these concepts are analyzed, and their use for the study of transformations of optical vortices is demonstrated. (C) 2003 Optical Society of America.

引用

页码：1635 / 1643

页数：9

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