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Proceedings Paper

Ultrasensitive nanoprobes based on metallo-dielectric crystals integrated onto optical fiber tips using the breath figures technique
Author(s): Marco Pisco; Giuseppe Quero; Agostino Iadicicco; Michele Giordano; Francesco Galeotti; Andrea Cusano
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Paper Abstract

We present recent results on the fabrication of metallo-dielectric structures on the optical fiber tip by using a self-assembly technique. Our studies aim to attain advanced nanostructured sensors by exploiting easy and low cost fabrication processes suitable to be employed in massive production of technologically advanced devices in the roadmap of the Lab on Fiber Technology. The pursued approach basically consists in the preliminary preparation of a patterned polymeric film by the breath figure technique, directly on the optical fiber tip, and in the successive metal deposition by evaporation. The experimental results demonstrate the successful creation of a metallo-dielectric honeycomb pattern on the optical fiber tip. The experimental spectral features are in good agreement with the numerical analysis, elucidating the photonic and plasmonic interactions occurring in the Lab onto the optical fiber tip. The sensing properties of the optical fiber probes have been successfully explored in terms of sensitivity to the surrounding refractive index changes demonstrating their potentialities for chemical and biological sensing applications.

Paper Details

Date Published: 20 May 2013
PDF: 6 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87942P (20 May 2013); doi: 10.1117/12.2026763
Show Author Affiliations
Marco Pisco, Univ. of Sannio (Italy)
Giuseppe Quero, Univ. of Sannio (Italy)
Agostino Iadicicco, Univ. of Naples “Parthenope” (Italy)
Michele Giordano, CNR, Institute for Composite and Biomedical Materials (Italy)
Francesco Galeotti, CNR, Istituto per lo Studio delle Macromolecole (Italy)
Andrea Cusano, Univ. of Sannio (Italy)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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