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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 70, Iss. 1 — Jan. 1, 1980
  • pp: 40–48

Scattering from an off-axis inhomogeneity in step-index optical fibers: radiation loss

A. Safaai-Jazi and G. L. Yip  »View Author Affiliations


JOSA, Vol. 70, Issue 1, pp. 40-48 (1980)
http://dx.doi.org/10.1364/JOSA.70.000040


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Abstract

An exact analysis using the Green’s function formulation of an arbitrarily oriented off-axis dipole in a three-layer cylindrical dielectric waveguide is carried out. The practical significance of such a formulation is illustrated by its immediate application to the problem of radiation due to scattering from an arbitrarily located discrete inhomogeneity in step-index fibers in which the dominant HE1 1 mode propagates. For small dielectric differences between the adjacent layers, the analysis yields radiation loss that agrees well with that evaluated from the infinite-medium approximation. However, the spatial distribution of the radiation loss differs markedly from that predicted by the infinite-medium approximation.

© 1980 Optical Society of America

Citation
A. Safaai-Jazi and G. L. Yip, "Scattering from an off-axis inhomogeneity in step-index optical fibers: radiation loss," J. Opt. Soc. Am. 70, 40-48 (1980)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-70-1-40

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