Optical fiber-top microcavity sensor for CO2 detection

Jushuai Wu, Ming Jie Yin, Karoline Taeuber, Alessandro Dani, Ryan Guterman, Jiayin Yuan, Aping Zhang, Hwayaw Tam

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

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.
Original languageEnglish
Pages (from-to)235 - 238
Number of pages4
JournalTechConnect Briefs
Volume3
Publication statusPublished - 14 May 2017

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