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MDPI, Sensors, 12(11), p. 11752-11760, 2011

DOI: 10.3390/s111211752

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Low Cost Sensors Based on SPR in a Plastic Optical Fiber for Biosensor Implementation

Journal article published in 2011 by Nunzio Cennamo ORCID, Davide Massarotti ORCID, Laura Conte, Luigi Zeni
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

This paper reports the fabrication and testing of two configurations of optical sensor systems based on Surface Plasmon Resonance (SPR) at the interface of a liquid sample and sandwiched structures realized starting from the exposed core of a Plastic Optical Fiber (POF). The proposed geometries have proven to be suitable for measuring the refractive indexes of liquids whose refractive index falls around 1.35. Furthermore, the proposed sensing head, being low cost and relatively easy to realize, may be very attractive for biosensor implementation.