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Distributed optical fiber sensing based on brillouin scattering

Zhou Meng

Abstract

The technique of Brillouin scattering distributed optical fiber sensing has drawn great attention all over the world.The time-domain distributed optical fiber sensing based on Brillouin scattering has mainly two structures,Brillouin optical time-domain reflectometry and Brillouin optical time-domain analysis.Since there have been many research reports about the distributed optical fiber sensing based on the Brillouin optical time-domain reflectometry,the latest researches on the distributed optical fiber sensing based on Brillouin optical time-domain analysis are introduced in detail.Characteristics of the two timedomain sensing technologies are compared and analyzed.Key problems in the applications of Brillouin sensing and their potential solutions are summarized.Prospects in this field are also given.

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Available abstract

Key concepts: Brillouin zone, Brillouin scattering, Reflectometry, Optical fiber, Distributed acoustic sensing, Optics, Optical time-domain reflectometer, Time domain