Tapered multimode optical fibers for enhanced evanescent-wave absorption spectroscopy of liquids

Riccardo Falciai; Anna Grazia Mignani; Leonardo Ciaccheri; Franco Cosi

doi:10.1117/12.276143

30 May 1997 Tapered multimode optical fibers for enhanced evanescent-wave absorption spectroscopy of liquids

Riccardo Falciai, Anna Grazia Mignani, Leonardo Ciaccheri, Franco Cosi

Proceedings Volume 3105, Chemical, Biochemical and Environmental Fiber Sensors IX; (1997) https://doi.org/10.1117/12.276143
Event: Environmental Sensing III, 1997, Munich, Germany

Abstract

This paper discusses the theoretical and experimental implications of tapering a multimode optical fiber with a view to its use in evanescent-wave absorption-spectroscopy. Good experimental results are obtained, showing the possibility of quadruplicating the absorbance efficiency. This easy and reproducible technique for taper fabrication is suitable for the implementation of both probes for spectroscopy and chemically-assisted fiber optic sensors.

Citation Download Citation

Riccardo Falciai, Anna Grazia Mignani, Leonardo Ciaccheri, and Franco Cosi "Tapered multimode optical fibers for enhanced evanescent-wave absorption spectroscopy of liquids", Proc. SPIE 3105, Chemical, Biochemical and Environmental Fiber Sensors IX, (30 May 1997); https://doi.org/10.1117/12.276143

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