Fabrication and study of bent and coiled free silica nanowires: Self-coupling microloop optical interferometer

1 January 2004

journal article
Published by Optica Publishing Group in Optics Express

Vol. 12 (15) , 3521-3531
https://doi.org/10.1364/opex.12.003521

Abstract

We fabricated nanometer- and micrometer-order diameter optical fibers (NMOFs) by drawing them in a microfurnace comprising a sapphire tube heated with a CO₂ laser. Using very short - a few mm long - fiber biconical tapers having a submicron waist, which can be bent locally in a free space by translation of the taper ends, we studied the effect of bending and looping on the transmission characteristics of a free NMOF. In particular, we have demonstrated an optical interferometer built of a coiled self-coupling NMOF.

Keywords

CARBON DIOXIDE LASERS
FIBER LASERS
LASER BEAM CHARACTERIZATION
LASER BEAMS
OPTICAL FIBERS
SINGLE MODE FIBERS

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