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Depolarization of backscattered linearly polarized light
Luis Fernando Rojas-Ochoa1, David Lacoste, Ralf Lenke
1Department of Physics, University of Fribourg, CH-1700 Fribourg, Switzerland.
Abstract:
We formulate a quantitative description of backscattered linearly polarized light with 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, lp , is deduced. We investigate the dependence 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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