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Published on: July 1, 2019
Light backscattering polarization patterns from turbid media: theory and experiment
M J Raković1, G W Kattawar, M B Mehrubeoğlu
1Texas A&M University, College Station, Texas 77843-4242, USA.
Abstract:
We present both experimental measurements and Monte-Carlo-based simulations of the diffusely backscattered intensity patterns that arise from illuminating a turbid medium with a polarized laser beam. It is rigorously shown that, because of axial symmetry of the system, only seven elements of the effective backscattering Mueller matrix are independent. A new numerical method that allows simultaneous calculation of all 16 elements of the two-dimensional Mueller matrix is used. To validate our method we compared calculations to measurements from a turbid medium that consisted of polystyrene spheres of different sizes and concentrations in deionized water. The experimental and numerical results are in excellent agreement.
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