Plasmonic optical fiber grating sensors: past, present, and future

Médéric Loyez; Hadrien Fasseaux; Ruddy Wattiez; Christophe Caucheteur

doi:10.1117/12.2678973

23 May 2023 Plasmonic optical fiber grating sensors: past, present, and future

Médéric Loyez, Hadrien Fasseaux, Ruddy Wattiez, Christophe Caucheteur

Proceedings Volume 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023); 1264318 (2023) https://doi.org/10.1117/12.2678973
Event: European Workshop on Optical Fibre Sensors (EWOFS 2023), 2023, Mons, Belgium

Abstract

Plasmonic optical fiber gratings are usually relying on centimeter-long sections of fibers locally modified with a thin metal film to enhance their sensitivity to the surrounding refractive index through surface plasmonic resonance (SPR). They are considered as a transposition of the Kretschmann prism configuration (cf. commercial SPR devices) and enable the development of lab-on-fiber tools for versatile applications, from biomedical diagnosis to environmental sensing where they can bring unique features. In this paper, we provide an overview of the main achievements in label-free biosensing with gold-coated tilted fiber Bragg gratings (TFBGs), from in vitro bioassays to the ex vivo detection of biomarkers expressed at the surface of cancer tissues. We discuss their performances and draw the lines for the next improvements and their implementation in the real world.

Citation Download Citation

Médéric Loyez, Hadrien Fasseaux, Ruddy Wattiez, and Christophe Caucheteur "Plasmonic optical fiber grating sensors: past, present, and future", Proc. SPIE 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023), 1264318 (23 May 2023); https://doi.org/10.1117/12.2678973

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