Multipoint two-dimensional curvature optical fiber sensor based on a non-twisted homogeneous four-core fiber

We have implemented a multipoint two-dimensional curvature optical fiber sensor based on a non-twisted homogeneous four-core fiber. A theoretical approach to model the mechanical behavior of these fibers under curvature conditions has been developed. Two shape sensors composed of an array of FBGs in...

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Detalhes bibliográficos
Autores: Barrera Vilar, David|||0000-0002-1700-6842, Gasulla Mestre, Ivana|||0000-0001-8088-7796, Sales Maicas, Salvador|||0000-0001-9457-976X
Formato: artículo
Fecha de publicación:2015
País:España
Recursos:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/65492
Acesso em linha:https://riunet.upv.es/handle/10251/65492
Access Level:acceso abierto
Palavra-chave:Fiber Optic Sensor
Curvature sensor
Fiber Bragg Grating
Multicore
TEORIA DE LA SEÑAL Y COMUNICACIONES
Descrição
Resumo:We have implemented a multipoint two-dimensional curvature optical fiber sensor based on a non-twisted homogeneous four-core fiber. A theoretical approach to model the mechanical behavior of these fibers under curvature conditions has been developed. Two shape sensors composed of an array of FBGs inscribed in the four-core fiber have been implemented to corroborate the theoretical analysis with the experimental results. The characterization of the proposed shape sensors showed their ability to measure the curvature radius, the curvature direction and any external applied force relate d to both uniform and non-uniform curvatures with high accuracy.