A Monte Carlo ray tracing study of polarized light propagation in liquid foams

J. N. Swamy, Czarena Crofcheck, M. Pinar Mengüç

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A Monte Carlo ray tracing scheme is used to investigate the propagation of an incident collimated beam of polarized light in liquid foams. Cellular structures like foam are expected to change the polarization characteristics due to multiple scattering events, where such changes can be used to monitor foam dynamics. A statistical model utilizing some of the recent developments in foam physics is coupled with a vector Monte Carlo scheme to compute the depolarization ratios via Stokes-Mueller formalism. For the simulations, the incident Stokes vector corresponding to horizontal linear polarization and right circular polarization are considered. It is observed that bubble size and the polydispersity parameter have a significant effect on the depolarization ratios. This is partially owing to the number of total internal reflection events in the Plateau borders. The results are discussed in terms of applicability of polarized light as a diagnostic tool for monitoring foams.

Original languageEnglish
Pages (from-to)277-287
Number of pages11
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume104
Issue number2
DOIs
StatePublished - Mar 2007

Keywords

  • Bubble size
  • Cellular structures
  • Foam characterization
  • Foam diagnostics
  • Liquid foams
  • Polarized light scattering
  • Polydispersity

ASJC Scopus subject areas

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy

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