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A procedure for computing the propagation constant and field distribution for modes of dielectric waveguides with arbitrary cross-sectional shape and refractive index profile is described. This procedure, based on the effective index method, can be applied to a wide range of problems. The authors compare their results with those obtained by other methods for a circular dielectric waveguide with parabolic index profile.>
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Velde et al. (1988) studied this question.
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