Publication: Fluorescence excitation on tapered polymer optical fibers through microfiber evanescent field
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2015
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SPIE
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Abstract
In this work, we show the feasibility of using the evanescent field of a microfiber to excite the fluorescence of a fluorophore deposited on the surface of a polymer optical fiber. The fluorescence intensity gathered by the polymer optical fiber from the emitted on its surface has been measured for several gaps with the excitation fiber, showing a remarkable influence of the evanescent field at distances as high as 2.5mm. A further development of a device based on wrapping the microfiber around the polymer one has been measured, proving a more efficient fluorescence excitation.
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© 2015 SPIE.
International Conference on Optical Fibre Sensors (24º. 2015. Curitiba (Brasil).
This work has been partially supported by the European Project ECOAL-MGT (Ecological Management of Coal Piles in Combustion), ref. ECOAL-MGT-SOE-P2-P714, and by the Comunidad de Madrid program SINFOTON (Sensores e Instrumentación en Tecnologías Fotónicas), ref. S2013/MIT-2790.
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