Quantitative analysis of depolarization of backscattered light by stochastically inhomogeneous dielectric particles

Xu Li, Allen Taflove, Vadim Backman

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We determine the relationship between the depolarization properties of inhomogeneous particles and the statistical parameters of their internal refractive-index distributions. Our analysis demonstrates that the linear depolarization ratio of backscattered light by an inhomogeneous particle is approximately proportional to both the squared standard deviation and the squared correlation length of the particle’s internal refractive-index distribution. We verify this result by conducting rigorous numerical studies using the finitedifference time-domain method. This improved understanding of light depolarization by inhomogeneous structures may enhance polarization-based biomedical optical imaging techniques.

Original languageEnglish (US)
Pages (from-to)902-904
Number of pages3
JournalOptics Letters
Volume30
Issue number8
DOIs
StatePublished - 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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