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Proceedings Paper

Refractometers for different refractive index range by surface plasmon resonance sensors in multimode optical fibers with different metals
Author(s): P. Zuppella; Alain J. Corso; Maria G. Pelizzo; N. Cennamo; L. Zeni
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Paper Abstract

We have realized a plasmonic sensor based on Au/Pd metal bilayer in a multimode plastic optical fiber. This metal bilayer, based on a metal with high imaginary part of the refractive index and gold, shows interesting properties in terms of sensitivity and performances, in different refractive index ranges. The development of highly sensitive platforms for high refractive index detection (higher than 1.38) is interesting for chemical applications based on molecularly imprinted polymer as receptors, while the aqueous medium is the refractive index range of biosensors based on bio–receptors. In this work we have presented an Au/Pd metal bilayer optimized for 1.38-1.42 refractive index range.

Paper Details

Date Published: 17 September 2016
PDF: 6 pages
Proc. SPIE 9921, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIV, 99211A (17 September 2016); doi: 10.1117/12.2238143
Show Author Affiliations
P. Zuppella, CNR-IFN (Italy)
Alain J. Corso, CNR-IFN (Italy)
Maria G. Pelizzo, CNR-IFN (Italy)
N. Cennamo, Seconda Univ. degli Studi di Napoli (Italy)
L. Zeni, Seconda Univ. degli Studi di Napoli (Italy)

Published in SPIE Proceedings Vol. 9921:
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIV
Satoshi Kawata; Din Ping Tsai, Editor(s)

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