Abstract
Microstructured optical fibers (MOFs) achieve their desired performance
via a pattern of holes that run trough the whole length of the fiber. The
variation of the hole pattern allows the production of a variety of optical
effects. However, the cross-sectional hole structure can be different from
that designed in the preform, due to the combined effects of surface tension
and internal pressure. The present paper focuses on the comparison between
experiments and numerical calculation of a six hole-optical fiber taking into
account the effects of surface tension and internal hole-pressure, since those
are of essential importance during drawing. It is shown that the numerical
computations deliver reliable results for practical applications and can be
used as a predictive tool for fiber development, as long as the inner pressure
or the temperature do not exceed too high values.
© 2012 IEEE
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