MXene-based fibre optic Fabry-Perot interferometer for heavy metal detection

Jiaxing Sun; Hanlin Jiang; Miles Buchanan; Rowan Wain; Xianfeng Chen

doi:10.1117/12.3023050

28 May 2024 MXene-based fibre optic Fabry-Perot interferometer for heavy metal detection

Jiaxing Sun, Hanlin Jiang, Miles Buchanan, Rowan Wain, Xianfeng Chen

Proceedings Volume 13083, SPIE Future Sensing Technologies 2024; 1308312 (2024) https://doi.org/10.1117/12.3023050
Event: SPIE Future Sensing Technologies, 2024, Yokohama, Japan

Abstract

In this work, we propose a miniature and high-performance MXene-based fibre optic Fabry-Perot Interferometer (FPI) for the detection of heavy metal (mercury) in the water. Light from fibre tips (FP cavity) induce interference through partial reflection at interfaces. The systematic investigations have been conducted for the free spectral range against the FP cavity length, the effect of finesse on the surface reflectance of FP cavity surface using thin film gold-coated fibre tips of various thickness in nanometre scales. The FP fibre tip deposited with MXene nanolayer will be developed to detect Hg²⁺ in water by inducing a strong response through the adsorption and reduction of Hg²⁺ to Hg⁺ with MXene nanomaterials. The nanomaterial integrated FPI sensing scheme could be an alternative for food, water quality, and environmental monitoring.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jiaxing Sun, Hanlin Jiang, Miles Buchanan, Rowan Wain, and Xianfeng Chen "MXene-based fibre optic Fabry-Perot interferometer for heavy metal detection", Proc. SPIE 13083, SPIE Future Sensing Technologies 2024, 1308312 (28 May 2024); https://doi.org/10.1117/12.3023050

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