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Moving the wavelength detection range in surface plasmon resonance sensors based on tapered optical fibers

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Díaz Herrera, Natalia and González Cano, Agustín and Viegas, Diana Catarino das Neves and Santos, José Luis and Navarrete Fernández, María Cruz and Esteban Martínez, Óscar (2010) Moving the wavelength detection range in surface plasmon resonance sensors based on tapered optical fibers. In Fourth European Workshop on Optical Fibre Sensors. Proceedings of SPIE (7653). SPIE--The International Society for Optical Engineering. ISBN 978-0-81948-083-5

Official URL: http://dx.doi.org/10.1117/12.866156




Abstract

It is shown how the design possibilities offered by double-layer uniform-waist tapered optical fibers (DLUWTs) permit to move the wavelength detection range to adapt the response of the sensors to varied conditions. In particular, we have obtained very good experimental curves showing that we can achieve plasmon resonances in the C-band of the optical communications, around 1.5 μm, for the range of refractive indices of aqueous media, highly interesting in the biosensors field. Also, we show results for other interesting wavelength region, around 500 nm, where we can take advantage of the absorption peaks of the analytes. Finally, we explore the possibilities of using InN as a dielectric material for the second layer of the deposition. These results contribute to considerably expand the applicability and performance of SPR fiber sensors.


Item Type:Book Section
Additional Information:

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering.
European Workshop on Optical Fibre Sensors (4ª. 2010. Oporto, Portugal).

Uncontrolled Keywords:Surface Plasmon Resonance, Tapered Optical Fiber, Wavelength
Subjects:Sciences > Physics > Optics
ID Code:24354
Deposited On:11 Mar 2014 09:28
Last Modified:11 Mar 2014 09:28

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