Comparative experimental study of a high-temperature raman-based distributed optical fiber sensor with different special fibers

Abstract: An experimental study of a high temperature distributed optical fiber sensor based on Raman Optical-Time-Domain-Reflectometry (ROTDR) (up to 450 °C) and optical fibers with different coatings (polyimide/carbon, copper, aluminum and gold) is presented. Analysis of the distributed temperature sensor (DTS) measurements determined the most appropriate optical fiber to be used in high temperature industrial environment over long periods of time. To demonstrate the feasibility of this DTS for an industrial application, an optical cable was designed with the appropriate optical fiber and it was hermetically sealed to provide the required mechanical resistance and isolate the fiber from environmental degradations. This cable was used to measure temperature up to 360 °C of an industrial furnace during 7 days.

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 Autoría: Laarossi I., Quintela-Incera M., López-Higuera J.,

 Fuente: Sensors, 2019, 19(3), 574

Editorial: MDPI

 Fecha de publicación: 30/01/2019

Nº de páginas: 13

Tipo de publicación: Artículo de Revista

DOI: 10.3390/s19030574

ISSN: 1424-8220

Proyecto español: TEC2016-76021-C2-2-R