Abstract
An approximate method is developed for description of the wave field of a distributed source in a multimode refractive waveguide with large-scale refractive-index inhomogeneities. The method is based on a mode representation of the field. The effects of inhomogeneities are taken into account by means of phases calculated along the so-called mode rays. The formulas derived are convenient for statistical analysis of a field in a region of unsaturated intensity fluctuations.
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Additional information
Nizhegorod State University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 34, No. 7, pp. 774–783, July, 1991.
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Kosterin, A.G., Malakhov, A.N. & Sholin, D.V. Description of wave field of distributed source in multimode waveguides with large-scale inhomogeneities. Radiophys Quantum Electron 34, 638–645 (1991). https://doi.org/10.1007/BF01039596
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DOI: https://doi.org/10.1007/BF01039596