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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 24,
  • Issue 3,
  • pp. 1364-
  • (2006)

Analytical Expression for Measurement of Intrinsic Coupling Loss in Multistep Index Optical Fibers

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Abstract

The aim of this paper is to obtain an analytical expression for intrinsic coupling losses in multistep index (MSI) fibers. For this purpose, a uniform power distribution is assumed. In order to validate the theoretical expression, the obtained results were compared with computer simulations using the ray-tracing method as well as with results obtained using existing models for step index (SI) and clad power-law profile graded index (GI) fibers. This analytical expression will provide fiber manufacturers with a very valuable tool for the assessment of fiber quality in terms of waveguide tolerances.

© 2006 IEEE

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