An Approximate Solution to the Wave Equation - Revisited
- 1 January 1991
- journal article
- Published by Taylor & Francis in Journal of Electromagnetic Waves and Applications
- Vol. 5 (6) , 623-636
- https://doi.org/10.1163/156939391x00725
Abstract
We revisit here an old but neglected approximate analytic solution to the electromagnetic wave equation. Our method of derivation is reminiscent of the WKB methodology but the solution, although approximate, is much more accurate than the traditional WKB solution and can be used with almost as much ease. The method is extremely powerful but, to our knowledge, has never been used by the optics community, where its use in analyzing optical fibers and integrated optical waveguides would be beneficial.Keywords
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