Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach

We propose and theoretically study a new hollow-core fiber-based curvature sensing approach with the capability of detecting both curvature radius and angle. The new sensing method relies on a tubular-lattice fiber that encompasses, in its microstructure, tubes with three different thicknesses. By a...

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Autores principales:	William M. Guimarães, Cristiano M. B. Cordeiro, Marcos A. R. Franco, Jonas H. Osório
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	hollow-core fibers photonic-crystal fibers fiber sensors fiber optics curvature sensor Chemicals: Manufacture, use, etc. TP200-248 Textile bleaching, dyeing, printing, etc. TP890-933 Biology (General) QH301-705.5 Physics QC1-999
Acceso en línea:	https://doaj.org/article/8a24bed526624cf58fdd006d7d2716c0
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id	oai:doaj.org-article:8a24bed526624cf58fdd006d7d2716c0
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spelling	oai:doaj.org-article:8a24bed526624cf58fdd006d7d2716c02021-11-25T17:31:18ZAngle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach10.3390/fib91100722079-6439https://doaj.org/article/8a24bed526624cf58fdd006d7d2716c02021-11-01T00:00:00Zhttps://www.mdpi.com/2079-6439/9/11/72https://doaj.org/toc/2079-6439We propose and theoretically study a new hollow-core fiber-based curvature sensing approach with the capability of detecting both curvature radius and angle. The new sensing method relies on a tubular-lattice fiber that encompasses, in its microstructure, tubes with three different thicknesses. By adequately choosing the placement of the tubes within the fiber cross-section, and by exploring the spectral shifts of the fiber transmitted spectrum due to the curvature-induced mode field distributions’ displacements, we demonstrate a multi-axis curvature sensing method. In the proposed platform, curvature radii and angles are retrieved via a suitable calibration routine, which is based on conveniently adjusting empirical functions to the fiber response. Evaluation of the sensing method performance for selected cases allowed the curvature radii and angles to be determined with percentual errors of less than 7%. The approach proposed herein provides a promising path for the accomplishment of new curvature sensors able to resolve both the curvature radius and angle.William M. GuimarãesCristiano M. B. CordeiroMarcos A. R. FrancoJonas H. OsórioMDPI AGarticlehollow-core fibersphotonic-crystal fibersfiber sensorsfiber opticscurvature sensorChemicals: Manufacture, use, etc.TP200-248Textile bleaching, dyeing, printing, etc.TP890-933Biology (General)QH301-705.5PhysicsQC1-999ENFibers, Vol 9, Iss 72, p 72 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hollow-core fibers photonic-crystal fibers fiber sensors fiber optics curvature sensor Chemicals: Manufacture, use, etc. TP200-248 Textile bleaching, dyeing, printing, etc. TP890-933 Biology (General) QH301-705.5 Physics QC1-999
spellingShingle	hollow-core fibers photonic-crystal fibers fiber sensors fiber optics curvature sensor Chemicals: Manufacture, use, etc. TP200-248 Textile bleaching, dyeing, printing, etc. TP890-933 Biology (General) QH301-705.5 Physics QC1-999 William M. Guimarães Cristiano M. B. Cordeiro Marcos A. R. Franco Jonas H. Osório Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
description	We propose and theoretically study a new hollow-core fiber-based curvature sensing approach with the capability of detecting both curvature radius and angle. The new sensing method relies on a tubular-lattice fiber that encompasses, in its microstructure, tubes with three different thicknesses. By adequately choosing the placement of the tubes within the fiber cross-section, and by exploring the spectral shifts of the fiber transmitted spectrum due to the curvature-induced mode field distributions’ displacements, we demonstrate a multi-axis curvature sensing method. In the proposed platform, curvature radii and angles are retrieved via a suitable calibration routine, which is based on conveniently adjusting empirical functions to the fiber response. Evaluation of the sensing method performance for selected cases allowed the curvature radii and angles to be determined with percentual errors of less than 7%. The approach proposed herein provides a promising path for the accomplishment of new curvature sensors able to resolve both the curvature radius and angle.
format	article
author	William M. Guimarães Cristiano M. B. Cordeiro Marcos A. R. Franco Jonas H. Osório
author_facet	William M. Guimarães Cristiano M. B. Cordeiro Marcos A. R. Franco Jonas H. Osório
author_sort	William M. Guimarães
title	Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
title_short	Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
title_full	Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
title_fullStr	Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
title_full_unstemmed	Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach
title_sort	angle-resolved hollow-core fiber-based curvature sensing approach
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8a24bed526624cf58fdd006d7d2716c0
work_keys_str_mv	AT williammguimaraes angleresolvedhollowcorefiberbasedcurvaturesensingapproach AT cristianombcordeiro angleresolvedhollowcorefiberbasedcurvaturesensingapproach AT marcosarfranco angleresolvedhollowcorefiberbasedcurvaturesensingapproach AT jonashosorio angleresolvedhollowcorefiberbasedcurvaturesensingapproach
_version_	1718412236020514816

Angle-Resolved Hollow-Core Fiber-Based Curvature Sensing Approach

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