Method for probing the orbital angular momentum of optical vortices in electromagnetic waves from astronomical objects

被引：263

作者：

Berkhout, Gregorius C. G. ^{[1
,2
]}

Beijersbergen, Marco W. ^{[1
,2
]}

机构：

[1] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands

[2] Cosine Sci & Comp BV, NL-2333 CA Leiden, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.101.100801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present an efficient method for probing the orbital angular momentum of optical vortices of arbitrary sizes. This method, based on a multipoint interferometer, has its most important application in measuring the orbital angular momentum of light from astronomical sources, opening the way to interesting new astrophysics. We demonstrate its viability by measuring the orbital angular momentum of Laguerre-Gaussian laser beams.

引用

页数：4

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