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2 July 2007 Hollow-core optical fiber functionalized with single walled carbon nanotubes for VOC detection
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Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 661934 (2007) https://doi.org/10.1117/12.738613
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy
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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marco Pisco, Marco Consales, Stefania Campopiano, Patrizia Aversa, Michele Penza, Michele Giordano, Antonello Cutolo, and Andrea Cusano "Hollow-core optical fiber functionalized with single walled carbon nanotubes for VOC detection", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661934 (2 July 2007); https://doi.org/10.1117/12.738613
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