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Opt Lett. 2006 Aug 1;31(15):2260-2.

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

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  • 1Department of Electrical and Computer Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania 15261, USA.

Abstract

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.

PMID:
16832452
[PubMed]
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