Spectral characterization of a photonic bandgap fiber for sensing applications

We study the measurand-induced spectral shift of the photonic bandgap edge of a hollow-core photonic crystal fiber. The physical measurands considered are strain, temperature, curvature, and twist. A noticeable sensitivity to strain, temperature, and twist is observed, with a blueshift to increase s...

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Bibliographic Details
Published in:Applied optics. Optical technology and biomedical optics 2010-04, Vol.49 (10), p.1870
Main Authors: Aref, S Hashem, Amezcua-Correac, Rodrigo, Carvalho, Joel P, Frazão, Orlando, Santos, José L, Araújo, Francisco M, Latifi, Hamid, Farahi, Faramarz, Ferreira, Luis A, Knight, Jonathan C
Format: Article
Language:English
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Summary:We study the measurand-induced spectral shift of the photonic bandgap edge of a hollow-core photonic crystal fiber. The physical measurands considered are strain, temperature, curvature, and twist. A noticeable sensitivity to strain, temperature, and twist is observed, with a blueshift to increase strain and twist. An increase in temperature induces a redshift. On the other hand, curvature has no observable effect on the spectral position of the photonic bandgap edge.
ISSN:2155-3165
DOI:10.1364/AO.49.001870