SPR sensors in POF: a new experimental configuration for extended refractive index range and better SNR

N. Cennamo; L. Coelho; A. Guerreiro; P. A. S. Jorge; L. Zeni

doi:10.1117/12.2059653

2 June 2014 SPR sensors in POF: a new experimental configuration for extended refractive index range and better SNR

N. Cennamo, L. Coelho, A. Guerreiro, P. A. S. Jorge, L. Zeni

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915759 (2014) https://doi.org/10.1117/12.2059653
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

In this work we present a new low cost SPR (Surface Plasmon Resonance) sensor configuration based on efficient higher-order mode filtering in plastic multimode fibers, using a tapered POF (Plastic Optical Fiber) after the sensor system, without decreasing the sensitivity of the sensor. In particular, we present the experimental results obtained with this new configuration. The experimental results have shown as the tapered POF after the sensor system influences the performances in terms of refractive index range and Signal-to-Noise Ratio (SNR).

Citation Download Citation

N. Cennamo, L. Coelho, A. Guerreiro, P. A. S. Jorge, and L. Zeni "SPR sensors in POF: a new experimental configuration for extended refractive index range and better SNR", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915759 (2 June 2014); https://doi.org/10.1117/12.2059653

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