Optical Humidity Sensor Based on Tapered Fiber with Multi-walled Carbon Nanotubes Slurry

Mohamed, Habibah and Irawati, Ninik and Ahmad, Fauzan and Ibrahim, Mohd Haniff and Ambran, Sumiaty and Rahman, Mohd Azizi Abdul and Harun, Sulaiman Wadi (2017) Optical Humidity Sensor Based on Tapered Fiber with Multi-walled Carbon Nanotubes Slurry. Indonesian Journal of Electrical Engineering and Computer Science, 6 (1). p. 97. ISSN 2502-4752, DOI https://doi.org/10.11591/ijeecs.v6.i1.pp97-103.

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Official URL: http://dx.doi.org/10.11591/ijeecs.v6.i1.pp97-103


We demonstrated performance comparison of optical humidity sensor for bare and Multi-walled carbon nanotubes (MWCNTs) slurry coated tapered optical fiber. The starting material for MWCNTs slurry is MWCNTs- acrylonitrile butadiene styrene (ABS) based fused deposition modeling (FDM) 3D printer filament. The ABS was dissolved using acetone to produce MWCNTs-acetone suspension. The MWCNTs-acetone suspension was drop-casted on the tapered fiber to produce MWCNTs slurry by evaporation process at room temperature, which resulted the MWCNTs slurry attach to the tapered fiber. The MWCNTs slurry acts as the cladding for humidity changes measurement. The experimental works showed improvement of sensitivity from 3.811 μW/% of bare tapered fiber to 5.17 μW/% for the coated tapered fiber with MWCNTs slurry when the humidity varied from 45% to 80%.

Item Type: Article
Funders: Universiti Teknologi Malaysia (UTM) and Ministry of Higher Education (MOHE) Malaysia: Research University Grant (RUG) Scheme grant no: 10J99 and 15H81, University Grant vote Q.K130000.2643.11J51
Uncontrolled Keywords: Multi-walled carbon nanotubes; Optical humidity sensor; Sensitivity; Tapered optical fiber
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Sep 2018 05:49
Last Modified: 16 Oct 2018 03:46
URI: http://eprints.um.edu.my/id/eprint/19092

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