Revealing surface refractive index dynamics in comb-like plasmonic optical fiber biosensors

Hadrien Fasseaux; Médéric Loyez; Evelyne Meurisse; Pierre Denis; Christophe Caucheteur

doi:10.1117/12.3017156

18 June 2024 Revealing surface refractive index dynamics in comb-like plasmonic optical fiber biosensors

Hadrien Fasseaux, Médéric Loyez, Evelyne Meurisse, Pierre Denis, Christophe Caucheteur

Proceedings Volume 13011, Data Science for Photonics and Biophotonics; 1301103 (2024) https://doi.org/10.1117/12.3017156
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Accurate measurement of small RIU, surface refractive index (RI) changes is crucial in biosensing. This study introduces a novel approach to correlate intricate spectral features with RI variations in Surface Plasmon Resonance (SPR) sensing using optical fiber gratings. Using a regression model with gold-coated tilted fiber Bragg grating (Au-TFBG) sensors, we achieve enhanced signal stability and precision across diverse experimental setups. This eliminates the need for sensor calibration, streamlining biosensing protocols. Our findings represent a significant advancement in real-time RI monitoring, offering promising applications in biosensing.

Conference Presentation

Citation Download Citation

Hadrien Fasseaux, Médéric Loyez, Evelyne Meurisse, Pierre Denis, and Christophe Caucheteur "Revealing surface refractive index dynamics in comb-like plasmonic optical fiber biosensors", Proc. SPIE 13011, Data Science for Photonics and Biophotonics, 1301103 (18 June 2024); https://doi.org/10.1117/12.3017156

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