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A new analytical method for the study of stratified waveguides with anisotropic layers in the longitudinal or polar configurations is developed. Although the method is derived from the 4 x 4 matrix formulation, it leads to an eigenvalue problem associated with a 2 x 2 coupling matrix. As an example of application, the guidance characteristics of a conductor-backed uniaxial slab with a coplanar optic axis are analytically discussed.
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Paiva et al. (1990) studied this question.
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