Title :
Field tests of distributed temperature and strain measurement for smart structures
Author :
Thevenaz, L. ; Facchini, M. ; Fellay, A. ; Nikles, M. ; Robert, P.
Author_Institution :
Lab. of Metrol., Swiss Fed. Inst. of Technol., Lausanne, Switzerland
Abstract :
Brillouin time-domain analysis in optical fibres is a novel technique making possible a distributed measurement of temperature and strain over long distance and will deeply modify our view about monitoring large structures, such as dam, bridges, tunnels and pipelines.
Keywords :
civil engineering; distributed sensors; fibre optic sensors; intelligent structures; stimulated Brillouin scattering; strain measurement; temperature measurement; time-domain analysis; Brillouin time-domain analysis; bridges; concrete structure; dam; distributed strain measurement; distributed temperature measurement; field tests; large structures; optical fibres; pipelines; smart structures; stimulated Brillouin scattering; tunnels; Frequency; Intelligent structures; Lasers and electrooptics; Optical fiber cables; Optical fiber devices; Optical fibers; Spatial resolution; Strain measurement; Temperature measurement; Testing;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967938
