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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 20,
  • Issue 7,
  • pp. 1160-
  • (2002)

Mode Coupling Contribution to Radiation Lossesin Curvatures for High and Low NumericalAperture Plastic Optical Fibers

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Abstract

We have studied the optical power losses due to multiple curvatures in polymethylmetacrylate (PMMA) plastic optical fibers (POFs) of different numerical apertures (NAs) and attenuation. The fibers were tested for several configurations in order to assess the influence of different types of curved-to-straight fiber transitions in the amount of power radiation. We found that losses are below the standards for all tested fiber types, and thus, they are a suitable choice for local area network (LAN) applications. In addition, our results revealed the presence of modal interactions as confirmed using an experimental procedure to estimate the mode coupling strength for the same fibers.

[IEEE ]

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