Characterization of porous media based on the polarimetric matrix models
Paper #3165 received 28 Feb 2017; revised manuscript received 12 Apr 2017; accepted for publication 13 Apr 2017; published online 28 Apr 2017.
In this paper, we measured the Mueller matrices of the samples with different porosity in the visible range (the wavelength of the input radiation ) for the observation angles from to . The samples under study were the tablets made of microcrystalline cellulose with the known values of porosity. To characterize the depolarizing properties of the studied samples we used the matrix models of depolarizing medium, in which the Mueller matrices describing depolarization have different structure and include different numbers of parameters. It is shown that Mueller polarimetry ensures at least 5% accuracy of porosity identification for this class of objects at the wavelength .
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