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Closed Access item An integrated optical interferometric nanodevice based on silicon technology for biosensor applications

Authors:Prieto, Francisco
Sepúlveda Martínez, Borja
Calle Martín, Ana
Llobera, Andreu
Domínguez, Carlos
Abad, Antonio
Montoya, Ángel
Lechuga, Laura M.
Issue Date:2003
Publisher:Institute of Physics Publishing
Citation:Nanotechnology 14(8): 907-912 (2003)
Abstract:Integrated optical sensors have become important in recent years since they are the only technology which allows the direct detection of biomolecular interactions. Moreover, silicon microelectronics technology allows mass production as well as the fabrication of nano-/macrosystems on the same platform by hybrid integration of sources, sensors, photodetectors and complementary metal-oxide semiconductor electronics. For the fabrication of an optical sensor nanodevice with an integrated Mach–Zehnder interferometric (MZI) configuration, the optical waveguides must have two main features: monomode behaviour and a high surface sensitivity. In this paper we present the development of a MZI sensor based on total internal reflection waveguides with nanometre dimensions. The aim is to use these sensors in environmental control to detect water pollutants by immunoassay techniques.
Description:6 páginas, 9 figuras.-- PACS: 87.85.Qr; 07.60.Ly; 87.15.K-; 87.80.-y; 85.85.+j; 07.07.Df.
Publisher version (URL):http://dx.doi.org/10.1088/0957-4484/14/8/312
URI:http://hdl.handle.net/10261/31281
ISSN:0957-4484
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(IMB-CNM) Artículos

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