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Chaigneau, M., Balaa, K., Minea, T. & Louarn, G. (2007) Plasmon resonance microsensor for droplet analysis. Opt. Lett. 32 2435–2437. 
Added by: Laurent Cournède (2016-03-10 22:02:29)
Type de référence: Article
DOI: 10.1364/OL.32.002435
Numéro d'identification (ISBN etc.): 0146-9592
Clé BibTeX: Chaigneau2007a
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Catégories: PMN
Mots-clés: biosensor, excitation, optical-fiber, sensitivity, sensor, spectroscopy, Surface, white-light
Créateurs: Balaa, Chaigneau, Louarn, Minea
Collection: Opt. Lett.
Consultations : 1/467
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
Microscale fiber tip sensors based on the plasmon resonance are reported. The fabrication process derived from our previous approach for manufacturing near-field scanning optical microscopy probes has been optimized for sensing applications. A typical tip sensor is a tapered fiber 400 mu m in length, coated with a nanoporous thin silver film. The miniaturized geometry of the sensor allows detection in a single droplet of liquid solution (similar to 20 mu l). The tip sensor is sensitive for refractive indices between 1.33 and 1.40 with a sensitivity of at least 3 x 10(-4) refractive index unit (RIU)/nm. The Raman scattering enhancement through these microsensors demonstrates the important role played by the localized plasmon resonance. The sensors' linear response covers a large region, interesting for biosensing in aqueous environments such as biomedical applications. (C) 2007 Optical Society of America.
Added by: Laurent Cournède  
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