Abstract
The problem of surface mode reflection from an abrupt-ended optical fibre is considered. The analysis is made by the variational technique. By investigating the problem the accuracy of several approaches used for field representations is examined, including scalar, quasi-vector approximation techniques and numerical methods (the finite difference method and the method of the integral equation).
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Manenkov, A.B. Accuracy of approximations for fibre discontinuity analysis. Opt Quant Electron 23, 81–90 (1991). https://doi.org/10.1007/BF00619523
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DOI: https://doi.org/10.1007/BF00619523