Topological networks of paraxial ellipse speckle-fields

被引：52

作者：

Soskin, M ^{[1
]}

Denisenko, V ^{[1
]}

Egorov, R ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Phys, UA-03680 Kiev, Ukraine

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2004年 / 6卷 / 05期

关键词：

polarization singularities; extreme; saddles; bifurcation lines; topological networks and their structural units; singular Stokes polarimetry;

D O I：

10.1088/1464-4258/6/5/028

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Structural units of singular paraxial ellipse fields, and their self-organization to form complementary topological networks of azimuth and eccentricity, are considered. The recently established technique of singular Stokes polarimetry is described and its capabilities are discussed. The azimuthal and eccentricity networks of generic paraxial ellipse speckle-fields were measured for the first time. Statistics of structural units and extreme are defined and compared quantitatively with theoretical predictions. Their essential difference allows us to conclude that generated speckle-fields generally possess non-Gaussian statistics. Applications of singular Stokes polarimetry as a new tool for the comprehensive characterization of ellipse fields of arbitrary complexity are discussed and demonstrated.

引用

页码：S281 / S287

页数：7

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