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Extrinsic plasmonic optical fiber sensors based on POFs and bacterial cellulose slab waveguides
Author(s): Nunzio Cennamo; Carlo Trigona; Salvatore Graziani; Luigi Zeni; Francesco Arcadio; Giovanna Di Pasquale; Antonino Pollicino
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Paper Abstract

We propose a novel extrinsic optical fiber sensor, based on two plastic optical fibers (POFs) combined with a bacterial cellulose (BC) optical waveguide. The POFs connect the green disposable optical sensor with a white light source and with a spectrometer. We have deposited a thin gold film on this innovative slab waveguide for obtaining a Localized Surface Plasmon Resonance (LSPR) sensor. In fact, the deposited thin gold layer is not formed by a continue film and the preliminary experimental results confirm the possibility of using the BC based composite as an environmental friendly optical sensor platform with LSPR capabilities. This approach could be exploited for realizing disposable biosensors, when the green slab waveguide is fixed in a special support. The device has been tested by measuring the refractive index of different water-glycerin solutions.

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111990Y (28 August 2019); doi: 10.1117/12.2539335
Show Author Affiliations
Nunzio Cennamo, Univ. degli Studi della Campania Luigi Vanvitelli (Italy)
Carlo Trigona, Univ. degli Studi di Catania (Italy)
Salvatore Graziani, Univ. degli Studi di Catania (Italy)
Luigi Zeni, Univ. degli Studi della Campania Luigi Vanvitelli (Italy)
Francesco Arcadio, Univ. degli Studi della Campania Luigi Vanvitelli (Italy)
Giovanna Di Pasquale, Univ. degli Studi di Catania (Italy)
Antonino Pollicino, Univ. degli Studi di Catania (Italy)


Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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