Sensors 2013, 13(1), 721-735; doi:10.3390/s130100721
Article

Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber

1 Department of Information Engineering, Second University of Naples, Via Roma 29, 81031 Aversa, Italy 2 Department of Physical Sciences, University of Naples "Federico II", via Cinthia, Naples 80126, Italy 3 Grup Optoelectronica si Componente Optice Integrate, Universitatea Tehnica, Cluj-Napoca 400114, Romania 4 CNR-IREA, via Diocleziano 328, 80124 Naples, Italy
* Author to whom correspondence should be addressed.
Received: 25 October 2012; in revised form: 12 December 2012 / Accepted: 28 December 2012 / Published: 7 January 2013
(This article belongs to the Section Biosensors)
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Abstract: In silica optical fiber Surface Plasmon Resonance (SPR)-based sensors, an increase in fiber core diameter produces a corresponding increase in the sensitivity and Signal to Noise Ratio (SNR). In Plastic Optical Fiber (POF) realized in PMMA there are different influences of design parameters on the performance, as both sensitivity and SNR are concerned. In particular, the SNR, for different refractive index values of the analyte, in a 250 μm diameter POF is greater than the one in 1,000 μm diameter POF. On the other hand, the sensitivity, for the same refractive index values of the analyte, in a 1,000 μm diameter POF is greater than the one in a 250 μm diameter POF. The results of an experimental analysis demonstrating the above behavior are reported.
Keywords: plastic optical fiber; Surface Plasmon Resonance

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MDPI and ACS Style

Cennamo, N.; Massarotti, D.; Galatus, R.; Conte, L.; Zeni, L. Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber. Sensors 2013, 13, 721-735.

AMA Style

Cennamo N, Massarotti D, Galatus R, Conte L, Zeni L. Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber. Sensors. 2013; 13(1):721-735.

Chicago/Turabian Style

Cennamo, Nunzio; Massarotti, Davide; Galatus, Ramona; Conte, Laura; Zeni, Luigi. 2013. "Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber." Sensors 13, no. 1: 721-735.

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