Optical Fiber-Top Microcavity Sensor for CO2 Detection

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In the paper, we present a miniature fiber-optic CO2 sensor by in-situ printing of a special polymer Fabry-Pérot (FP) microcavity on the end facet of standard single-mode optical fiber. A photo-crosslinkable poly(ionic liquid)s (PILs) with high CO2 adsorption capability has been developed to fabricate the polymer optical microcavity via an optical 3D µ-printing technology. Experimental results show that such an optical CO2 microsensor has very high sensitivity and fast response and thus is very promising for environment and exhaust gas monitoring applications.

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Journal: TechConnect Briefs
Volume: 3, Biotech, Biomaterials and Biomedical: TechConnect Briefs 2017
Published: May 14, 2017
Pages: 235 - 238
Industry sector: Sensors, MEMS, Electronics
Topic: Sensors - Chemical, Physical & Bio
ISBN: 978-0-9988782-0-1