We present both experimental and Monte Carlo–based simulation results for the diffusely backscattered intensity patterns that arise from illumination of a turbid medium with a polarized laser beam. A numerical method that allows the calculation of all 16 elements of the two-dimensional Muller matrix is used; moreover, it is shown that only seven matrix elements are independent. To validate our method, we compared our simulations with experimental measurements, using a turbid medium consisting of -diameter polystyrene spheres suspended in deionized water. By varying the incident polarization and the analyzer optics for the experimental measurements, we obtained the diffuse backscattering Mueller matrix elements. The experimental and the numerical results are in good agreement.
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CorrectionsBrent D. Cameron, M. J. Raković, Mehrübe Mehrübeoǧlu, George W. Kattawar, Sohi Rastegar, Lihong V. Wang, and Gerard L. Coté, "Measurement and calculation of the two-dimensional backscattering Mueller matrix of a turbid medium: errata," Opt. Lett. 23, 1630-1630 (1998)