Stokes parameters of optical singularities of random electromagnetic beams

In this paper, the relation between the spectral degree of coherence and degree of polarization of random electromagnetic beams is derived by the Stokes parameters. And the concept of polarization singularity is extended from spatially fully coherent beams to partially coherent electromagnetic beams...

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Bibliographic Details
Published inChinese physics B Vol. 19; no. 5; pp. 288 - 292
Main Author 李建龙 朱世富
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.05.2010
Subjects
Beams (radiation)
Coherence
Computational fluid dynamics
Fluid flow
Polarization
Singularities
Spectra
Stokes parameters
Stokes参数
斯托克斯参数
部分相干
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/19/5/054203

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Summary:In this paper, the relation between the spectral degree of coherence and degree of polarization of random electromagnetic beams is derived by the Stokes parameters. And the concept of polarization singularity is extended from spatially fully coherent beams to partially coherent electromagnetic beams. Theoretical analysis shows that correlation vortices are linearly polarized singularities. The results are illustrated by numerical examples.
Bibliography:Stokes parameters, optical singularities, electromagnetic beams
TH744.2
O175.8
11-5639/O4
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/19/5/054203