Biosensing platform on optical fibre tip for lysozyme detection

Alain Castaño Andres; Javier Barroso; Raúl J. Martín-Palma; Iker García; Joseba Zubia; Oskar Arrizabalaga

doi:10.1117/12.2620647

31 May 2022 Biosensing platform on optical fibre tip for lysozyme detection

Alain Castaño Andres, Javier Barroso, Raúl J. Martín-Palma, Iker García, Joseba Zubia, Oskar Arrizabalaga

Proceedings Volume 12145, Biophotonics in Point-of-Care II; 1214506 (2022) https://doi.org/10.1117/12.2620647
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

In this work, we report a new approach for fabricating a high sensitivity lysozyme biosensing. The aforementioned device consists of an optimized Fabry-Perot micro-cavity (FPC) fabricated onto cleaved end of a standard single mode fibre (SMF). The sensitive part of our device is the external face of the FPC, which was ad-hoc functionalized in order to provide high selectivity and high sensitivity. From the experimental test carried out, we have found that our sensor has a sensitivity higher than others reported so far, to the best of our knowledge. In addition, the platform introduced here can operate over a broad wavelength which makes it adaptable to different sensing targets. In addition, our sensor offers several advantages such as repeatability of fabrication, wide operating range and small size and weight, which benefit its sensing applications.

Conference Presentation

Citation Download Citation

Alain Castaño Andres, Javier Barroso, Raúl J. Martín-Palma, Iker García, Joseba Zubia, and Oskar Arrizabalaga "Biosensing platform on optical fibre tip for lysozyme detection", Proc. SPIE 12145, Biophotonics in Point-of-Care II, 1214506 (31 May 2022); https://doi.org/10.1117/12.2620647

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