Low cost plastic optical fiber sensor based on surface plasmon resonance

Víctor M. Muñoz-Berti; Ana C. López-Pérez; Benito Alén; José Luis Costa-Krämer; Antonio García-Martín; Mauro Lomer; José Miguel López-Higuera

doi:10.1117/12.866537

8 September 2010 Low cost plastic optical fiber sensor based on surface plasmon resonance

Víctor M. Muñoz-Berti, Ana C. López-Pérez, Benito Alén, José Luis Costa-Krämer, Antonio García-Martín, Mauro Lomer, José Miguel López-Higuera

Author Affiliations +

Proceedings Volume 7653, Fourth European Workshop on Optical Fibre Sensors; 765327 (2010) https://doi.org/10.1117/12.866537
Event: (EWOFS'10) Fourth European Workshop on Optical Fibre Sensors, 2010, Porto, Portugal

Abstract

Surface plasmon excitation using a variation of Kretschmann method based on light guiding through an optical fiber has been extensively studied in the literature. But, due to its particularly bad propagation conditions, plastic optical fiber was not taken into account in documented experiments. We propose a low cost sensor using this type of fiber, in which we try to avoid the problems both through careful design and signal processing. First of all we discuss the sample fabrication and measurement in section 2; then the results obtained are discussed in section 3, including the problems faced because of the multimode character of the fiber, for which we propose alternative sample shapes as a mean of reducing them. As a conclusion we propose a roadmap to design a low cost sensor based in the structures studied in this paper.

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Víctor M. Muñoz-Berti, Ana C. López-Pérez, Benito Alén, José Luis Costa-Krämer, Antonio García-Martín, Mauro Lomer, and José Miguel López-Higuera "Low cost plastic optical fiber sensor based on surface plasmon resonance", Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 765327 (8 September 2010); https://doi.org/10.1117/12.866537

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