Sensitivity enhancement of fiber Bragg gratings to transverse stress by using microstructural fibers

We present simulation and experimental results of fiber Bragg grating responses to transverse stress in microstructure fibers. The grating wavelength shifts and peak splits are studied as a function of external load and fiber orientation. Both simulation and measurement results indicate that the sen...

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Bibliographic Details
Published in:Optics letters 2006-08, Vol.31 (15), p.2260-2262
Main Authors: Jewart, Charles, Chen, Kevin P, McMillen, Ben, Bails, Michael M, Levitan, Steven P, Canning, John, Avdeev, Ilya V
Format: Article
Language:English
Online Access:Get full text
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Summary:We present simulation and experimental results of fiber Bragg grating responses to transverse stress in microstructure fibers. The grating wavelength shifts and peak splits are studied as a function of external load and fiber orientation. Both simulation and measurement results indicate that the sensitivity of grating sensors to the transverse stress can be enhanced by a factor of eight in a two-hole fiber over that in a standard fiber.
ISSN:0146-9592
DOI:10.1364/OL.31.002260