Polarization singularities in 2D and 3D speckle fields

被引：118

作者：

Flossmann, Florian ^{[1
]}

O' Holleran, Kevin ^{[1
]}

Dennis, Mark R. ^{[2
]}

Padgett, Miles J. ^{[1
]}

机构：

[1] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[2] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.100.203902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The 3D structure of randomly polarized light fields is exemplified by its polarization singularities: lines along which the polarization is purely circular (C lines) and surfaces on which the polarization is linear (L surfaces). We visualize these polarization singularities experimentally in vector laser speckle fields, and in numerical simulations of random wave superpositions. Our results confirm previous analytical predictions [M. R. Dennis, Opt. Commun. 213, 201 (2002)] regarding the statistical distribution of types of C points and relate their 2D properties to their 3D structure.

引用

页数：4

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