Plasmon-based SMSMS optical fiber sensor structure for creatinine detection in aquaculture industry

Xuecheng Liu; Muyang Li; Ragini Singh; Bingyuan Zhang; Santosh Kumar

doi:10.1117/12.2637689

19 December 2022 Plasmon-based SMSMS optical fiber sensor structure for creatinine detection in aquaculture industry

Xuecheng Liu, Muyang Li, Ragini Singh, Bingyuan Zhang, Santosh Kumar

Proceedings Volume 12321, Advanced Sensor Systems and Applications XII; 1232103 (2022) https://doi.org/10.1117/12.2637689
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

In this study, a plasmon sensor based on a core mismatch optical fiber structure is proposed for measuring various creatinine concentrations. Creatinine is an important clinical biomarker for diabetes, kidney disease, renal failure, and muscle atrophy. The single-mode fiber (SMF) and multi-mode fiber (MMF) are used to fabricate the SMF-MMF-SMF-MMF-SMF (SMSMS) structure. Further, SMSMS fiber structure is etched with hydrofluoric (HF) acid, that results in more evanescent fields at the core-cladding interface. Gold nanoparticles (AuNPs) are immobilized on the surface of the optical fiber structure to activate the LSPR phenomenon. To validate the sensor's performance, the sensor's sensitivity, reusability, reproducibility, and selectivity are tested. The experimental results demonstrate that the fiber-optic sensor based on the SMSMS structure is capable of measuring creatinine concentrations over a wide range in aquaculture industry. This provides an excellent opportunity for the sensor to be used in biomedicine.

Conference Presentation

Citation Download Citation

Xuecheng Liu, Muyang Li, Ragini Singh, Bingyuan Zhang, and Santosh Kumar "Plasmon-based SMSMS optical fiber sensor structure for creatinine detection in aquaculture industry", Proc. SPIE 12321, Advanced Sensor Systems and Applications XII, 1232103 (19 December 2022); https://doi.org/10.1117/12.2637689

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