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Light backscattering in a two-dimensional random systems

Light backscattering in random quasi-two-dimensional media is considered. Surface polariton backscattering on semi-infinite rough surfaces or light scattering in thin films with mirror surfaces are examples of the systems considered. The mean intensity of backscattered light is obtained, inelastic dephasing processes being taken into account. Angular correlations and fluctuations of backscattered intensity are analyzed.