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Proceedings Paper

Hollow-core optical fiber functionalized with single walled carbon nanotubes for VOC detection
Author(s): Marco Pisco; Marco Consales; Stefania Campopiano; Patrizia Aversa; Michele Penza; Michele Giordano; Antonello Cutolo; Andrea Cusano
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Paper Abstract

In this work, Hollow-core Optical Fibers (HOF) functionalized with Single Walled Carbon NanoTubes (SWCNTs) are proposed for volatile organic compounds (VOCs) detection. The sensing probe is composed by a piece of HOF with a termination coated and partially filled by SWCNTs. The infiltration of the SWCNTs inside the HOF holes has been accomplished by means of the Langmuir-Blodgett technique. Reflectance and far field transmission characteristics have been carried out within the HOF bandwidth. Finally the sensing capability of the proposed sensors has been investigated by exposure in a proper designed test chamber to traces of toluene. The experimental results obtained demonstrate the success of the SWCNTs partial filling within the HOF holes and the sensor capability to perform VOCs detection with a good sensitivity and fast response times.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661934 (2 July 2007); doi: 10.1117/12.738613
Show Author Affiliations
Marco Pisco, Univ. of Sannio (Italy)
Marco Consales, Univ. of Sannio (Italy)
Stefania Campopiano, Univ. of Naples Parthenope (Italy)
Patrizia Aversa, ENEA, Ctr. Ricerche Brindisi (Italy)
Michele Penza, ENEA, Ctr. Ricerche Brindisi (Italy)
Michele Giordano, Institute of Composite and Biomedical Materials, CNR (Italy)
Antonello Cutolo, Univ. of Sannio (Italy)
Andrea Cusano, Univ. of Sannio (Italy)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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