Simplifying the design of microstructured optical fibre pressure sensors

Abstract In this paper, we propose a way to simplify the design of microstructured optical fibres with high sensitivity to applied pressure. The use of a capillary fibre with an embedded core allows the exploration of the pressure-induced material birefringence due to the capillary wall displacement...

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Autores principales:	Jonas H. Osório, Giancarlo Chesini, Valdir A. Serrão, Marcos A. R. Franco, Cristiano M. B. Cordeiro
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3211e169b31c44ac948f39d4a1d4eb49
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spelling	oai:doaj.org-article:3211e169b31c44ac948f39d4a1d4eb492021-12-02T16:07:58ZSimplifying the design of microstructured optical fibre pressure sensors10.1038/s41598-017-03206-w2045-2322https://doaj.org/article/3211e169b31c44ac948f39d4a1d4eb492017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03206-whttps://doaj.org/toc/2045-2322Abstract In this paper, we propose a way to simplify the design of microstructured optical fibres with high sensitivity to applied pressure. The use of a capillary fibre with an embedded core allows the exploration of the pressure-induced material birefringence due to the capillary wall displacements and the photoelastic effect. An analytical description of pressure-induced material birefringence is provided, and fibre modal characteristics are explored through numerical simulations. Moreover, a capillary fibre with an embedded core is fabricated and used to probe pressure variations. Even though the embedded-core fibre has a non-optimized structure, measurements showed a pressure sensitivity of (1.04 ± 0.01) nm/bar, which compares well with more complex, specially designed fibre geometries reported in the literature. These results demonstrate that this geometry enables a novel route towards the simplification of microstructured fibre-based pressure sensors.Jonas H. OsórioGiancarlo ChesiniValdir A. SerrãoMarcos A. R. FrancoCristiano M. B. CordeiroNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jonas H. Osório Giancarlo Chesini Valdir A. Serrão Marcos A. R. Franco Cristiano M. B. Cordeiro Simplifying the design of microstructured optical fibre pressure sensors
description	Abstract In this paper, we propose a way to simplify the design of microstructured optical fibres with high sensitivity to applied pressure. The use of a capillary fibre with an embedded core allows the exploration of the pressure-induced material birefringence due to the capillary wall displacements and the photoelastic effect. An analytical description of pressure-induced material birefringence is provided, and fibre modal characteristics are explored through numerical simulations. Moreover, a capillary fibre with an embedded core is fabricated and used to probe pressure variations. Even though the embedded-core fibre has a non-optimized structure, measurements showed a pressure sensitivity of (1.04 ± 0.01) nm/bar, which compares well with more complex, specially designed fibre geometries reported in the literature. These results demonstrate that this geometry enables a novel route towards the simplification of microstructured fibre-based pressure sensors.
format	article
author	Jonas H. Osório Giancarlo Chesini Valdir A. Serrão Marcos A. R. Franco Cristiano M. B. Cordeiro
author_facet	Jonas H. Osório Giancarlo Chesini Valdir A. Serrão Marcos A. R. Franco Cristiano M. B. Cordeiro
author_sort	Jonas H. Osório
title	Simplifying the design of microstructured optical fibre pressure sensors
title_short	Simplifying the design of microstructured optical fibre pressure sensors
title_full	Simplifying the design of microstructured optical fibre pressure sensors
title_fullStr	Simplifying the design of microstructured optical fibre pressure sensors
title_full_unstemmed	Simplifying the design of microstructured optical fibre pressure sensors
title_sort	simplifying the design of microstructured optical fibre pressure sensors
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3211e169b31c44ac948f39d4a1d4eb49
work_keys_str_mv	AT jonashosorio simplifyingthedesignofmicrostructuredopticalfibrepressuresensors AT giancarlochesini simplifyingthedesignofmicrostructuredopticalfibrepressuresensors AT valdiraserrao simplifyingthedesignofmicrostructuredopticalfibrepressuresensors AT marcosarfranco simplifyingthedesignofmicrostructuredopticalfibrepressuresensors AT cristianombcordeiro simplifyingthedesignofmicrostructuredopticalfibrepressuresensors
_version_	1718384645530189824

Simplifying the design of microstructured optical fibre pressure sensors

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