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Ultrahigh temperature and strain hybrid integrated sensor system based on Raman and femtosecond FBG inscription in a multimode gold-coated fiber

Abstract: In this paper, a novel approach for hybrid systems combining Raman distributed sensors with fiber Bragg grating (FBG) sensors to carry out distributed and quasi-distributed temperature/strain measurements was proposed and experimentally demonstrated. Three FBGs were inscribed by the point-by-point technique in a simple setup for type I femtosecond inscription in a pure silica core multimode gold-coated fiber. Employing a single fiber, temperatures up to 600 °C and strains up to 4144 µE approximately were measured simultaneously and without interferences between both distributed and point measurements. Moreover, a new calibration technique was implemented to calibrate the distributed temperature system using the FBG measurements as reference.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Laarossi I., Roldán-Varona P., Quintela-Incera M.A., Rodríguez-Cobo L., López-Higuera J.M.,

 Fuente: Optics Express, 2019, 27(26), 37122-37130

Editorial: The Optical Society (OSA)

 Fecha de publicación: 23/12/2019

Nº de páginas: 9

Tipo de publicación: Artículo de Revista

 DOI: 10.1364/OE.27.037122

ISSN: 1094-4087

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

Url de la publicación: https://doi.org/10.1364/OE.27.037122