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Proceedings Paper

Fiber optic sensing based on photonic crystal holey fibers
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Paper 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.

Paper Details

Date Published: 15 December 2003
PDF: 5 pages
Proc. SPIE 5260, Applications of Photonic Technology 6, (15 December 2003); doi: 10.1117/12.543336
Show Author Affiliations
Wojtek J. Bock, Univ. of Quebec en Outaouais (Canada)
Waclaw Urbanczyk, Wroclaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 5260:
Applications of Photonic Technology 6
Roger A. Lessard; George A. Lampropoulos, Editor(s)

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