A three-dimensional degree of polarization based on Rayleigh scattering

MR Dennis

Research output: Contribution to journalArticle (Academic Journal)peer-review

37 Citations (Scopus)

Abstract

A measure of the degree of polarization for the three-dimensional polarization matrix (coherence matrix) of an electromagnetic field is proposed, based on Rayleigh scattering. The degree of polarization at a point is defined as an average, over all scattering directions, of an imagined dipole scattering of the three-dimensional state of polarization. This gives a well-defined purity measure, which, unlike other proposed measures of the three-dimensional degree of polarization, is not a unitary invariant of the matrix. This is demonstrated and discussed for several examples, including a partially polarized transverse beam.
Translated title of the contributionA three-dimensional degree of polarization based on Rayleigh scattering
Original languageEnglish
Pages (from-to)2065 - 2069
Number of pages5
JournalJournal of the Optical Society of America A
Volume24
DOIs
Publication statusPublished - Jul 2007

Bibliographical note

Other: arXiv:physics/0702105

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