Tapered optical fibre sensor for detection of hydrocarbon spills in seawater

J. A. Sánchez Martín; E. Bernabeu; A. Rodríguez Aramendía; A. Villalba; E. Cruzado; M. Pardo de Santayana

doi:10.1117/12.2058667

2 June 2014 Tapered optical fibre sensor for detection of hydrocarbon spills in seawater

J. A. Sánchez Martín, E. Bernabeu, A. Rodríguez Aramendía, A. Villalba, E. Cruzado, M. Pardo de Santayana

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574E (2014) https://doi.org/10.1117/12.2058667
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

Three devices based on tapered optical fibres are used to determine the presence of pollutants in water, through the measure of their spectral transmittance. Tapered optical silica fibres, coated (or not) with metallic and dielectric layers (Al or Cu and TiO2) are employed. It is found that, with our experimental arrangement, the presence of products derived from gasoline spills can be determined when we use the coated tapers. A complete characterization of the three different tapers is made in a wide spectral range (1300-1650 nm) and the wavelengths most suitable to detect and discern the hydrocarbons measured are identified. The results obtained show that these devices can be used for the early detection of oil spills in seawater in an industrial environment as simple and versatile sensors that can be self-cleaned with the movement of seawater.

Citation Download Citation

J. A. Sánchez Martín, E. Bernabeu, A. Rodríguez Aramendía, A. Villalba, E. Cruzado, and M. Pardo de Santayana "Tapered optical fibre sensor for detection of hydrocarbon spills in seawater", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574E (2 June 2014); https://doi.org/10.1117/12.2058667

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