Spectral characteristics of tapered LPG device as a sensing element for refractive index and temperature

Allsop, Thomas D.P., Floreani, Filip, Jedrzejewski, K.P., Marques, P.V.S., Romero, R., Webb, David J. and Bennion, Ian Spectral characteristics of tapered LPG device as a sensing element for refractive index and temperature. Journal of Lightwave Technology, 24 (2), pp. 870-878.

Abstract

The fabrication and characterization of long-period gratings (LPGs) in fiber tapers is presented alongside supporting theory. The devices possess a high sensitivity to the index of aqueous solutions due to an observed spectral bifurcation effect, yielding a limiting index resolution of ±8.5 × 10-5 for solutions with an index in the range 1.330-1.335. © 2006 IEEE.

Publication DOI: https://doi.org/10.1109/JLT.2005.862426
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
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Uncontrolled Keywords: long-period fiber gratings,optical fiber devices,optical fiber tapers,refractive-index measurement,temperature measurement,Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics

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