Abstract
An algorithm for reconstructing the imaginary part of permittivity of an inhomogeneous planar ptical waveguide is proposed. The algorithm uses information on the spectrum of imaginary parts of the propagation constants of guided modes. Examples illustrating the efficiency of this approach are provided.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(j_k \sim 1/\sqrt[4]{\tau }\) Fiziki, Vol. 27, No. 17, 2001, pp. 16–21.
Original Russian Text Copyright © 2001 by Romanenko.
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Romanenko, A.A. Reconstruction of the absorption profile of an inhomogeneous planar optical waveguide. Tech. Phys. Lett. 27, 716–718 (2001). https://doi.org/10.1134/1.1405237
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DOI: https://doi.org/10.1134/1.1405237