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Proceedings Paper

Effects from detuning the resonant coupling between fiber gratings and localized surface plasmons
Author(s): Bárbara R. Heidemann; Júlia C. Pereira; Ismael Chiamenti; Marcela M. Oliveira; Marcia Muller; José L. Fabris
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Paper Abstract

In this work, we demonstrate the effect of detuning the resonant coupling between a long period grating and the plasmonic band of gold nanoparticles on the device sensitivity. In an intensity coded configuration, the sensitivity was measured at 568.12 nm and 598.62 nm, for surroundings refractive indexes ranging from 1.3629 to 1.4184. A comparison between the responses of the two dips centered at these wavelengths resulted in a sensitivity enhancement of about 17 times for the dip localized close to the center of the localized surface plasmon resonance.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 991602 (30 May 2016); doi: 10.1117/12.2234134
Show Author Affiliations
Bárbara R. Heidemann, Univ. Tecnológica Federal do Paraná (Brazil)
Júlia C. Pereira, Univ. Federal do Paraná (Brazil)
Ismael Chiamenti, Univ. Tecnológica Federal do Paraná (Brazil)
Marcela M. Oliveira, Univ. Tecnológica Federal do Paraná (Brazil)
Marcia Muller, Univ. Tecnológica Federal do Paraná (Brazil)
José L. Fabris, Univ. Tecnológica Federal do Paraná (Brazil)


Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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