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Dual channel double wavelength method in optical fiber-based gas sensor for carbon dioxide detection

Razali, Muda and Norhana, Arsad and Nur Hazliza, Ariffin and Amran, Abdul Hadi (2018) Dual channel double wavelength method in optical fiber-based gas sensor for carbon dioxide detection. Journal of Telecommunication, Electronic and Computer Engineering, 10 (1-3). pp. 159-162. ISSN 2180-1843 (Print); 2289-8131 (Online)

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A novel double wavelength strategy in optical fiberbased sensor for detection of carbon dioxide (CO2) gas is presented. The detection strategy works based on an open-path direct absorption spectroscopy in the mid-infrared (mid-IR) wavelength range. The sensor system comprises of a broadband filament emitter acting as the Infrared (IR) light source, Chalcogenide Infrared (CIR) Optical Fibers, two Pyroelectric detectors which been fitted built- in with a limited bandpass CO2 channel and a reference channel. The sensor additionally uses calcium fluoride (CaF2) limit bandpass (NBP) channel for recognition of CO2 gas without cross-sensitivity to different gasses exist in the surrounding environment. The correlation amongst test and computed sensor yields are additionally exhibited.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Beer-lambert law; Carbon dioxide gas; Environmental monitoring; Fiber-based gas sensing; Mid-infrared spectroscopy
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division: Faculty of Electrical & Electronic Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 17 Aug 2018 03:38
Last Modified: 17 Aug 2018 03:38
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