Depolarization of backscattered linearly polarized light
L.F. Rojas-Ochoa, D. Lacoste, R. Lenke, P. Schurtenberger, F., Scheffold
TL;DR
This paper develops a quantitative model for the depolarization of backscattered linearly polarized light, incorporating scattering anisotropy, and validates it through experiments and simulations.
Contribution
It introduces an extended photon diffusion formalism that explicitly accounts for the scattering anisotropy parameter g in describing depolarization.
Findings
Depolarization length varies with scattering anisotropy g.
Model predictions agree well with Monte Carlo simulations.
Provides a quantitative tool for analyzing polarized light scattering.
Abstract
We formulate a quantitative description of backscattered linearly polarized light using an extended photon diffusion formalism taking explicitly into account the scattering anisotropy parameter g of the medium. From diffusing wave spectroscopy measurements the characteristic depolarization length for linearly polarized light is deduced. We investigate the dependance of this length on the scattering anisotropy parameter g spanning an extended range from -1 (backscattering) to 1 (forward scattering). Good agreement is found with Monte Carlo simulations of multiply scattered light.
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