High performance fiber sensors based on splicing structure with different cladding parameter for tyramine detection

Guiwei Zhang; Ragini Singh; Bingyuan Zhang; Santosh Kumar; Guoru Li

doi:10.1117/12.2682703

27 November 2023 High performance fiber sensors based on splicing structure with different cladding parameter for tyramine detection

Guiwei Zhang, Ragini Singh, Bingyuan Zhang, Santosh Kumar, Guoru Li

Author Affiliations +

Proceedings Volume 12770, Optics in Health Care and Biomedical Optics XIII; 127701D (2023) https://doi.org/10.1117/12.2682703
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

In this study, a novel optical fiber sensor based on varying cladding diameters is developed to detect different tyramine concentrations. Single-mode fiber (SMF, 8.25/125 μm) and multimode fiber (MMF, 200/220 μm) are fused to form the SMF-MMF-SMF structure. The output signal is amplified by etching the fiber sensing region that can generate stronger evanescent fields. Multi-walled carbon nanotubes (MWCNTs) are used to enhance the sensing performance. The tyramine enzyme is used to functionalize the probe and realize the specificity of the probe for tyramine. The performance of the sensor is analyzed, and results show that the sensor has good selectivity. The results also show that the sensors based on different cladding diameters can be used as special sensors for measuring the concentration of tyramine.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Guiwei Zhang, Ragini Singh, Bingyuan Zhang, Santosh Kumar, and Guoru Li "High performance fiber sensors based on splicing structure with different cladding parameter for tyramine detection", Proc. SPIE 12770, Optics in Health Care and Biomedical Optics XIII, 127701D (27 November 2023); https://doi.org/10.1117/12.2682703

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