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Light beam scattering on ring layer of spherical heterogeneities of GI-POF core to wavequide TE-modes

P. 1-5.
Stukach O., Rahim R.

The Rayleigh scattering of a light beam on
spherical heterogeneities uniformly distributed in a thin ring
layer to waveguide TE-modes of a polymer optical fiber has been
considered. We suppose the beam is propagated in a cross-section
plane of the fiber with parabolic profile of a core refractive index.
A simple analytical description of waveguide mode intensity
which allows extracting contributions of three different physical
mechanisms has been obtained. Numerical calculations and
analysis of intensity dependence on an light beam offset relative
to fiber axis in the core by various radii of scattering
heterogeneity ring for multimode polymer fiber parameters
which are typical for optical wavelength 632 nm have been
performed.