An empirical evaluation of profile variations in a MCVD optical waveguide fiber has previously indicated the relative effects of center dip, layering perturbations, and various core-clad interface designs on multimode transmission bandwidth.1 As in earlier work,2 an exact numerical solution of Maxwell's equations has been implemented extending the characterization of effects of a purely oscillatory layer structure on modal propagation in a multimode optical waveguide which has been investigated previously.3-5

© 1985 Optical Society of America

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