Optical fiber sensors based on nanostructured coatings fabricated by means of the layer-by-layer electrostatic self-assembly method

Francisco J. Arregui; Ignacio R. Matías; Richard O. Claus

doi:10.1117/12.738351

2 July 2007 Optical fiber sensors based on nanostructured coatings fabricated by means of the layer-by-layer electrostatic self-assembly method

Francisco J. Arregui, Ignacio R. Matías, Richard O. Claus

Author Affiliations +

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66190F (2007) https://doi.org/10.1117/12.738351
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

The Layer-by-Layer Electrostatic Self-Assembly (ESA) method has been successfully used for the design and fabrication of nanostructured materials. More specifically, this technique has been applied for the deposition of thin films on optical fibers with the purpose of fabricating different types of optical fiber sensors. In fact, optical fiber sensors for measuring humidity, temperature, pH, hydrogen peroxide, glucose, volatile organic compounds or even gluten have been already experimentally demonstrated. The versatility of this technique allows the deposition of these sensing coatings on flat substrates and complex geometries as well. For instance, nanoFabry-Perots and microgratings have been formed on cleaved ends of optical fibers (flat surfaces) and also sensing coatings have been built onto long period gratings (cylindrical shape), tapered fiber ends (conical shape), biconically tapered fibers or even the internal side of hollow core fibers. Among the different materials used for the construction of these sensing nanostructured coatings, diverse types such as polymers, inorganic semiconductors, colorimetric indicators, fluorescent dyes, quantum dots or even biological elements as enzymes can be found. This technique opens the door to the fabrication of new types of optical fiber sensors.

Citation Download Citation

Francisco J. Arregui, Ignacio R. Matías, and Richard O. Claus "Optical fiber sensors based on nanostructured coatings fabricated by means of the layer-by-layer electrostatic self-assembly method", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190F (2 July 2007); https://doi.org/10.1117/12.738351

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