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Authors: Sergio Mena ; Maria Morant ; Juan Hurtado and Roberto Llorente

Affiliation: Universitat Politècnica de València, Spain

Keyword(s): TFOBS, Glucose Sensing, Label-Free, Optical Sensor, Chemical Etching, Biconical Taper, Refractive Index, Optically Controlled Etching.

Related Ontology Subjects/Areas/Topics: Biomedical Optics ; Optics ; Photonics, Optics and Laser Technology

Abstract: This paper proposes, designs and demonstrates experimentally a tapered fibre optic biosensor (TFOBS) fabricated by an optically controlled HF chemical etching. The fabricated device is demonstrated to operate properly as a label-free sensor for glucose concentration detection. This work presents a novel fabrication method of a single-mode TFOBS controlling the reaction rate by changing the HF concentration and monitoring the optical power variation at the fibre output. Two TFOBS fabricated with different cladding diameters are evaluated experimentally to sense different glucose concentrations observing the changes in the refractive index of the medium in various solvents. The sensing capabilities are evaluated by modal interferometry measurement of both intensity and phase variations of the received optical signal.

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Paper citation in several formats:
Mena, S.; Morant, M.; Hurtado, J. and Llorente, R. (2018). Tapered Fibre Optic Biosensor (TFOBS) by Optically Controlled Etching for Label-Free Glucose Concentration Monitoring - Biomedical Optics. In Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-286-8; ISSN 2184-4364, SciTePress, pages 166-173. DOI: 10.5220/0006556301660173

@conference{photoptics18,
author={Sergio Mena. and Maria Morant. and Juan Hurtado. and Roberto Llorente.},
title={Tapered Fibre Optic Biosensor (TFOBS) by Optically Controlled Etching for Label-Free Glucose Concentration Monitoring - Biomedical Optics},
booktitle={Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2018},
pages={166-173},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006556301660173},
isbn={978-989-758-286-8},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Tapered Fibre Optic Biosensor (TFOBS) by Optically Controlled Etching for Label-Free Glucose Concentration Monitoring - Biomedical Optics
SN - 978-989-758-286-8
IS - 2184-4364
AU - Mena, S.
AU - Morant, M.
AU - Hurtado, J.
AU - Llorente, R.
PY - 2018
SP - 166
EP - 173
DO - 10.5220/0006556301660173
PB - SciTePress

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