Polarized light propagation through tissue phanto, ehms containing densely packed scatterers

Vanitha Sankaran*, Joseph T. Walsh, Duncan J. Maitland

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

We demonstrate that polarized light is maintained differently in densely packed versus dilute suspensions of polystyrene microspheres. The degrees of linear and circular polarization were measured versus scatterer concentration in aqueous suspensions of 0.48-, 0.99-, 2.092-, and 9.14-μm-diameter polystyrene microspheres. The results indicate that, for dilute suspensions of microspheres where independent scattering is assumed, the degrees of linear and circular polarization decrease as the scatterer concentration increases. For dense suspensions, however, the degree of polarization begins to increase as the scatterer concentration increases. The preferential propagation of linear over circular polarization states in dense suspensions is similar to results seen in biological tissue.

Original languageEnglish (US)
Pages (from-to)239-241
Number of pages3
JournalOptics Letters
Volume25
Issue number4
DOIs
StatePublished - Feb 15 2000

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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