Fiber optic sensing based on photonic crystal holey fibers

Wojtek J. Bock; Waclaw Urbanczyk

doi:10.1117/12.543336

15 December 2003 Fiber optic sensing based on photonic crystal holey fibers

Wojtek J. Bock, Waclaw Urbanczyk

Proceedings Volume 5260, Applications of Photonic Technology 6; (2003) https://doi.org/10.1117/12.543336
Event: Applications of Photonic Technology, 2003, Quebec City, Québec, Canada

Abstract

We propose an interferometric fiber-optic sensor for absolute measurements of temperature, hydrostatic pressure, and elognation. The sensor is based on single-mode holey fiber with hexagonal symmetry and uses a spectral decoding method to directly measure the changes in optical group imbalance induced by the measurand. We also determined the susceptibility of the group refractive index to temperature, elogation and pressure, which equals respectively to dN/dT=+1.28×10^-5 1/K, dN/dε=-0.40×10^-7 1/strain, and dN/dp=-1.0×10^-5 1/MPa.

Citation Download Citation

Wojtek J. Bock and Waclaw Urbanczyk "Fiber optic sensing based on photonic crystal holey fibers", Proc. SPIE 5260, Applications of Photonic Technology 6, (15 December 2003); https://doi.org/10.1117/12.543336

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