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Proceedings Paper

Phase interrogated plasmonic optical fiber optrode with bimetallic layers
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Paper Abstract

Optical fiber optrodes are attractive sensing devices due to their ability to perform point measurement in remote locations. Mostly, they are oriented to biochemical sensing, quite often relying on fluorescent and spectroscopic techniques, but with the refractometric approach being also considered when the objective is high measurement performance, particularly when focusing on measurand resolution. In this work, we address this subject proposing and theoretically analyzing the characteristics of a fiber optic optrode relying on plasmonic interaction. The optrode structure is a fiber optic tapered tip layout incorporating a lateral bimetallic layer (silver + gold) and operating in reflection.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96346B (28 September 2015); doi: 10.1117/12.2195090
Show Author Affiliations
H. Moayyed, INESC TEC (Portugal)
Univ. do Porto (Portugal)
I. T. Leite, INESC TEC (Portugal)
Univ. do Porto (Portugal)
L. Coelho, INESC TEC (Portugal)
Univ. do Porto (Portugal)
J. L. Santos, INESC TEC (Portugal)
Univ. do Porto (Portugal)
D. Viegas, INESC TEC (Portugal)
International Iberian Nanotechnology Lab. (Portugal)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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