Fiber optic gas sensor for on-line CO2 monitoring

Karol Wysokiński; Michał Szymański; Tomasz Stańczyk; Michał Murawski; Tadeusz Tenderenda; Marek Napierała; Tomasz Nasiłowski

doi:10.1117/12.2194807

28 September 2015 Fiber optic gas sensor for on-line CO₂ monitoring

Karol Wysokiński, Michał Szymański, Tomasz Stańczyk, Michał Murawski, Tadeusz Tenderenda, Marek Napierała, Tomasz Nasiłowski

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96344P (2015) https://doi.org/10.1117/12.2194807
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

An optical fiber CO₂ gas sensor is reported in this work. Sensor is based on the change of absorption of a selected dye dissolved in an organically modified silica coating of an optical fiber. CO₂ in the atmosphere decreases the pH of the deposited active layer, which eventually leads to the change of the fiber transmittance. Elaborated sensor exhibits high sensitivity, short response time and good stability, which makes it suitable for potential industrial, agricultural and household use. Described method can also be used for sensing other gases in sensor matrices.

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Karol Wysokiński, Michał Szymański, Tomasz Stańczyk, Michał Murawski, Tadeusz Tenderenda, Marek Napierała, and Tomasz Nasiłowski "Fiber optic gas sensor for on-line CO₂ monitoring", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96344P (28 September 2015); https://doi.org/10.1117/12.2194807

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