High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect

What we believe to be a novel strain sensor based on a three-core fiber (3MCF-V) and the Vernier effect was developed and characterized, offering a wide strain measurement range and temperature compensation. The sensor combined a Fabry-Perot interferometer (FPI) formed by a hollow-core fiber (HCF) a...

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Autores: Correa Serrano, Ángel Ignacio, Vento Álvarez, José Raúl, Galarza Galarza, Marko, Dauliat, Romain, Jamier, Raphael, Roy, Philippe, Pérez Herrera, Rosa Ana, López-Amo Sáinz, Manuel
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Universidad Pública de Navarra
Repositorio:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:dnet:academicae__::9c76a5efb816cb0e27487ddc64889c3b
Acceso en línea:https://hdl.handle.net/2454/56743
Access Level:acceso abierto
Palabra clave:Strain sensors
Vernier effect
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spelling High-sensitivity strain sensor based on two different specialty fibers and the Vernier effectCorrea Serrano, Ángel IgnacioVento Álvarez, José RaúlGalarza Galarza, MarkoDauliat, RomainJamier, RaphaelRoy, PhilippePérez Herrera, Rosa AnaLópez-Amo Sáinz, ManuelStrain sensorsVernier effectWhat we believe to be a novel strain sensor based on a three-core fiber (3MCF-V) and the Vernier effect was developed and characterized, offering a wide strain measurement range and temperature compensation. The sensor combined a Fabry-Perot interferometer (FPI) formed by a hollow-core fiber (HCF) and a super-modes interferometer (SMI) using a multicore fiber (MCF). By combining these two interferometers in a parallel Michelson configuration, a Vernier envelope amplified the response of the system, achieving higher strain sensitivity compared to conventional approaches. The sensor demonstrated a linear response, with a sensitivity of 5 pm/µε for a 30 mm fiber segment, out of the 230 mm that make up the SMI, and up to 22.2 pm/µε when the length of the segment under deformation was increased to 85 mm, reaching a deformation of up to 6280 µε without causing the fiber to break. Additionally, a thermal analysis validated a temperature sensitivity of 766.5 pm/°C, confirming the robustness and accuracy of the proposed design. These results highlight the potential of the sensor for advanced strain or temperature monitoring applications requiring high resolution over a broad dynamic range.Ministerio de Ciencia, Innovación y Universidades; Agencia Estatal de Investigación (PID2022-137269OBC21); European Regional Development Fund.Optica Publishing GroupIngeniería Eléctrica, Electrónica y de ComunicaciónIngeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio IngeniaritzaInstitute of Smart Cities (ISC)2025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2454/56743reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarrainstname:Universidad Pública de NavarraInglésinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-137269OB-C21© 2025 Optica Publishing Group. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.info:eu-repo/semantics/openAccessoai:dnet:academicae__::9c76a5efb816cb0e27487ddc64889c3b2026-06-17T12:41:47Z
dc.title.none.fl_str_mv High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
title High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
spellingShingle High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
Correa Serrano, Ángel Ignacio
Strain sensors
Vernier effect
title_short High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
title_full High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
title_fullStr High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
title_full_unstemmed High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
title_sort High-sensitivity strain sensor based on two different specialty fibers and the Vernier effect
dc.creator.none.fl_str_mv Correa Serrano, Ángel Ignacio
Vento Álvarez, José Raúl
Galarza Galarza, Marko
Dauliat, Romain
Jamier, Raphael
Roy, Philippe
Pérez Herrera, Rosa Ana
López-Amo Sáinz, Manuel
author Correa Serrano, Ángel Ignacio
author_facet Correa Serrano, Ángel Ignacio
Vento Álvarez, José Raúl
Galarza Galarza, Marko
Dauliat, Romain
Jamier, Raphael
Roy, Philippe
Pérez Herrera, Rosa Ana
López-Amo Sáinz, Manuel
author_role author
author2 Vento Álvarez, José Raúl
Galarza Galarza, Marko
Dauliat, Romain
Jamier, Raphael
Roy, Philippe
Pérez Herrera, Rosa Ana
López-Amo Sáinz, Manuel
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ingeniería Eléctrica, Electrónica y de Comunicación
Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza
Institute of Smart Cities (ISC)
dc.subject.none.fl_str_mv Strain sensors
Vernier effect
topic Strain sensors
Vernier effect
description What we believe to be a novel strain sensor based on a three-core fiber (3MCF-V) and the Vernier effect was developed and characterized, offering a wide strain measurement range and temperature compensation. The sensor combined a Fabry-Perot interferometer (FPI) formed by a hollow-core fiber (HCF) and a super-modes interferometer (SMI) using a multicore fiber (MCF). By combining these two interferometers in a parallel Michelson configuration, a Vernier envelope amplified the response of the system, achieving higher strain sensitivity compared to conventional approaches. The sensor demonstrated a linear response, with a sensitivity of 5 pm/µε for a 30 mm fiber segment, out of the 230 mm that make up the SMI, and up to 22.2 pm/µε when the length of the segment under deformation was increased to 85 mm, reaching a deformation of up to 6280 µε without causing the fiber to break. Additionally, a thermal analysis validated a temperature sensitivity of 766.5 pm/°C, confirming the robustness and accuracy of the proposed design. These results highlight the potential of the sensor for advanced strain or temperature monitoring applications requiring high resolution over a broad dynamic range.
publishDate 2025
dc.date.none.fl_str_mv 2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2454/56743
url https://hdl.handle.net/2454/56743
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-137269OB-C21
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Optica Publishing Group
publisher.none.fl_str_mv Optica Publishing Group
dc.source.none.fl_str_mv reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
instname:Universidad Pública de Navarra
instname_str Universidad Pública de Navarra
reponame_str Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
collection Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
repository.name.fl_str_mv
repository.mail.fl_str_mv
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