Gaussian beams with very high orbital angular momentum

被引：157

作者：

Courtial, J

Dholakia, K

Allen, L

Padgett, MJ

机构：

[1] School of Physics and Astronomy, University of St. Andrews

来源：

OPTICS COMMUNICATIONS | 1997年 / 144卷 / 4-6期

基金：

英国工程与自然科学研究理事会;

关键词：

astigmatism; laser beam propagation; angular momentum of light;

D O I：

10.1016/S0030-4018(97)00376-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An elliptical Gaussian beam focussed by a cylindrical lens can possess large amounts of orbital angular momentum, We give an expression for the angular momentum, which arises from the azimuthal component of the Poynting vector, and show that it can be as high as 10 000 (h) over bar per photon. We examine the phase distribution of the beams in an interference experiment. (C) 1997 Elsevier Science B.V.

引用

收藏

页码：210 / 213

页数：4

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