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Mode coupling contribution to radiation losses in curvatures for high and low numerical aperture plastic optical fibers

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6 Author(s)
Losada, M.A. ; Departamento de Ingenieria Electronica y Comunicaciones, Zaragoza Univ., Spain ; Garces, I. ; Mateo, J. ; Salinas, I.
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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.

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Lightwave Technology, Journal of  (Volume:20 ,  Issue: 7 )