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All-polymer whispering gallery mode resonators for gas sensing

Cédric Lemieux-Leduc, Régis Guertin, Marc-Antoine Bianki and Yves-Alain Peter

Article (2021)

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Abstract

Sensitivity of polymeric microdisks is evaluated for selected compounds in their vapor phase such as humidity, isopropanol, toluene, limonene, 1-butanol, and pentanoic acid (valeric acid). Among these compounds, pentanoic acid exhibits the highest sensitivity (23 pm/ppm) with a limit of detection estimated to be around 0.6 ppm. We are interested in the contribution of the geometry deformation due to polymer swelling on the sensitivity as it may be engineered to improve performance of gas sensing devices. Experimental observations show a trend where sensitivity to humidity increased with the ratio of the undercut over the radius of the microcavity.

Subjects: 2000 Materials science and technology > 2004 Polymers and coatings
3150 Theoretical physics and chemistry > 3151 Kinetic and transport theory of fluids, physical properties of gases
Department: Department of Engineering Physics
Funders: Fonds de recherche du Québec - Nature et technologies, CRSNG/NSERC
Grant number: 208540, RGPIN-2020-06692, CGS M
PolyPublie URL: https://publications.polymtl.ca/6268/
Journal Title: Optics Express (vol. 29, no. 6)
Publisher: OSA
DOI: 10.1364/oe.417703
Official URL: https://doi.org/10.1364/oe.417703
Date Deposited: 04 May 2021 18:04
Last Modified: 11 Apr 2024 01:03
Cite in APA 7: Lemieux-Leduc, C., Guertin, R., Bianki, M.-A., & Peter, Y.-A. (2021). All-polymer whispering gallery mode resonators for gas sensing. Optics Express, 29(6), 8685-8697. https://doi.org/10.1364/oe.417703

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