Comparison of Wave and Ray Techniques for Solution of Graded Index Optical Waveguide Problems

1 May 1978

journal article
research article
Published by Taylor & Francis in Optica Acta: International Journal of Optics

Vol. 25 (5) , 361-373
https://doi.org/10.1080/713819799

Abstract

Transit times and eigenvalue equations found using ray-optics methods are compared with the exact wave-equation solution results. Geometric optics gives excellent accuracy for commonly used values of the dimensionless waveguide parameter V. Even when the effects of dispersion are included, the WKB condition gives exactly the same transit times as the more physically intuitive ray-optics technique.

Keywords

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