Abstract

For electromagnetic wave propagation and scattering in an anisotropic random medium, we derive the Dyson equation for the mean field and the Bethe–Salpeter equation for the correlation or the covariance of the field. With the random permittivity expressed in a general anisotropic form, the bilocal and the nonlinear approximations are employed to solve the Dyson equation and the ladder approximation to solve the Bethe–Salpeter equation. The mean dyadic Green’s function for a two-layer anisoptropic random medium with arbitrary three-dimensional correlation functions has been investigated with the zeroth-order solutions to the Dyson equation under the nonlinear approximation. The effective propagation constants are calculated for the four characteristic waves associated with the coherent vector fields propagating in an anisotropic random-medium layer, which are the ordinary and extraordinary waves with upward- and downward-propagating vectors.

© 1985 Optical Society of America

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