Abstract
The mechanical splice characteristics of a single-mode hole-assisted fiber
(SM-HAF) are investigated both numerically and experimentally. Mode-coupling
theory is used to investigate the mechanical splice loss characteristic of
the HAF. We introduced an air filling fraction and a <i>V</i>-parameter to allow us to
consider an HAF with arbitrary structural parameters. We derive the optimum
conditions (e.g., refractive index and temperature coefficient) of a
solid-type refractive index matching material to realize good splice and
return loss characteristics simultaneously. The validity of the derived
conditions is investigated experimentally. Finally, we confirm that we can
achieve comparable splice characteristics to those of conventional
single-mode fiber splices by using the optimized refractive index matching
material independent of the structural parameters of the SM-HAF.
© 2011 IEEE
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