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Type: Journal article
Title: Theoretical study of liquid-immersed exposed-core microstructured optical fibers for sensing
Author: Warren-Smith, S.
Afshar Vahid, S.
Monro, T.
Citation: Optics Express, 2008; 16(12):9034-9045
Publisher: Optical Soc Amer
Issue Date: 2008
ISSN: 1094-4087
Abstract: The absorption and fluorescence sensing properties of liquid-immersed exposed-core microstructured optical fibers are explored for the regime where these structures act as supported nanowires with direct access to the sensing environment. For absorption-based sensing we demonstrate that the amount of power propagating in the sensing region of the exposed-core fiber can compete with that of traditional MOFs. For fluorescence-based sensing, we see that in addition to the enhanced fluorescence capture efficiency already predicted for small-core, high refractive index contrast fibers, an improvement of up to 29% can be gained by using liquid-immersed exposed-core fibers. Additionally, calculation of the losses associated with interfaces between filled and unfilled sections predict significant benefit in using high refractive index substrate glasses for liquid-immersed exposed-core fiber sensing. This work demonstrates that, for fiber dimensions of interest, the exposed-core fiber is an attractive new sensor technology.
Keywords: Solutions
Equipment Design
Equipment Failure Analysis
Scattering, Radiation
Models, Theoretical
Computer Simulation
Fiber Optic Technology
Optical Fibers
Rights: Copyright © 2008 Optical Society of America
DOI: 10.1364/OE.16.009034
Appears in Collections:Aurora harvest 6
Centre of Expertise in Photonics publications
Physics publications

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