Regenerated Fiber Bragg Gratings in Multicore Fiber for Multi-parameter Sensing

[EN] Multiple regenerated fiber Bragg gratings were inscribed in all the cores of a seven-core fiber in order to develop a multi-parameter sensor designed to operate at high temperatures. We experimentally showed the possibility of measuring strains of up to 1200 mu epsilon, curvatures from 0 degree...

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Detalles Bibliográficos
Autores: Madrigal-Madrigal, Javier|||0000-0003-3156-1321, Barrera Vilar, David|||0000-0002-1700-6842, Sales Maicas, Salvador|||0000-0001-9457-976X
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/168876
Acceso en línea:https://riunet.upv.es/handle/10251/168876
Access Level:acceso abierto
Palabra clave:Curvature
Fiber Bragg gratings
Multicore fiber
Optical fiber sensors
Strain
Temperature
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Descripción
Sumario:[EN] Multiple regenerated fiber Bragg gratings were inscribed in all the cores of a seven-core fiber in order to develop a multi-parameter sensor designed to operate at high temperatures. We experimentally showed the possibility of measuring strains of up to 1200 mu epsilon, curvatures from 0 degrees to 360 degrees and temperatures up to 1000 degrees C, with a maximum curvature magnitude of at least 4.6 m(-1) and a maximum sensibility of 96 pm/m(-1).