Silica exposed-core microstructured optical fibers

We report the fabrication of silica microstructured optical fibers with the core exposed along the whole length, and characterize the stability of these new fibers when exposed to some typical sensing and storage environments. We show the fiber loss to be the best achieved to date for exposed-core f...

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Bibliographic Details
Published in:Optical materials express 2012-11, Vol.2 (11), p.1538-1547
Main Authors: Kostecki, Roman, Ebendorff-Heidepriem, Heike, Davis, Claire, McAdam, Grant, Warren-Smith, Stephen C., Monro, Tanya M.
Format: Article
Language:English
Subjects:
Deterioration
Exposure
Fibers
Glass
Optical fibers
Real time
Silicon dioxide
Stability
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Summary:We report the fabrication of silica microstructured optical fibers with the core exposed along the whole length, and characterize the stability of these new fibers when exposed to some typical sensing and storage environments. We show the fiber loss to be the best achieved to date for exposed-core fibers, while the deterioration in the transmission properties is up to similar to 2 orders of magnitude better than for the previously reported exposed-core fibers produced in soft glass. This opens up new opportunities for optical fiber sensors requiring long term and/or harsh environmental applications while providing real time analysis anywhere along the fibers length.
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.2.001538