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Distributed-temperature sensing using stimulated Brillouin scattering in optical silica fibers

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Abstract

Temperature distribution in silica single-mode optical fibers, from −30 to +60°C, is successfully measured by using Brillouin optical-fiber time-domain analysis. A temperature measurement accuracy of 3°C with a spatial resolution of 100 m is attained over a fiber length of 1.2 km.

© 1990 Optical Society of America

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