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Proceedings Paper

Surface-plasmon-resonance sensor based on H-shaped optical fibre
Author(s): Diana Viegas; Markus Hautakorpi; Ariel Guerreiro; José Luís Santos; Hanne Ludvigsen
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Paper Abstract

We propose and theoretically study a novel surface-plasmon-resonance sensor based on an H-shaped, elliptical-core optical fibre. The two grooves of the H-fibre are coated with a thin, uniform metal layer that in turn is covered with a high-index dielectric layer to allow broad spectral tunability. The sensor maintains linear polarization and facilitates effortless splicing. Electromagnetic mode analysis indicates a sensitivity of 1800 nm/RIU (refractive-index unit) for aqueous analytes.

Paper Details

Date Published: 9 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76532J (9 September 2010); doi: 10.1117/12.866421
Show Author Affiliations
Diana Viegas, Univ. do Porto (Portugal)
INESC Porto (Portugal)
Markus Hautakorpi, Aalto Univ. (Finland)
Ariel Guerreiro, Univ. do Porto (Portugal)
INESC Porto (Portugal)
José Luís Santos, Univ. do Porto (Portugal)
INESC Porto (Portugal)
Hanne Ludvigsen, Aalto Univ. (Finland)


Published in SPIE Proceedings Vol. 7653:
Fourth European Workshop on Optical Fibre Sensors
José Luís Santos; Brian Culshaw; José Miguel López-Higuera; William N. MacPherson, Editor(s)

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