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Proceedings Paper

Nanosphere lithography for advanced all fiber Sers probes
Author(s): Marco Pisco; Francesco Galeotti; Giuseppe Quero; Giorgio Grisci; Alberto Micco; L. Mercaldo; P. Delli Veneri; Andrea Cusano
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Paper Abstract

In this work, we report a straightforward and cost-effective fabrication route for the development of nano-patterned optical fiber tips. The technique is based on self-assembling polystyrene microspheres at the air/water interface and on their successive transferring on the fiber tip of single mode optical fiber. By applying to the fiber further treatments like particle size reduction, metal coating and sphere removal, different periodic structures have been conveniently realized. The morphological analysis reveals indeed the successful creation on the optical fiber tip of regular metallic-dielectric spheres’ arrays as well as metallic patterns with dimensional features down to a submicron scale. Finally, as proof of concept, we demonstrated the capability of the realized patterns to work as efficient Surface Enhanced Raman Spectroscopy (SERS) fiber probes.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99161S (30 May 2016); doi: 10.1117/12.2235997
Show Author Affiliations
Marco Pisco, Univ. degli Studi del Sannio (Italy)
Francesco Galeotti, CNR-Istituto per lo Studio delle Macromolecole (Italy)
Giuseppe Quero, Univ. degli Studi del Sannio (Italy)
Giorgio Grisci, CNR-Istituto per lo Studio delle Macromolecole (Italy)
Alberto Micco, Univ. degli Studi del Sannio (Italy)
L. Mercaldo, ENEA, Portici Research Ctr. (Italy)
P. Delli Veneri, ENEA, Portici Research Ctr. (Italy)
Andrea Cusano, Univ. degli Studi del Sannio (Italy)


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

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