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Increasing the number of resolved points, by either improving the spatial resolution or extending the measurement range, is one of the main challenges being currently faced in distributed optical fibre sensing. This paper explores the main parameters affecting the performance of Brillouin distributed fibre sensors and analyses potential configurations and directions to reach one million equivalent resolved points.
Tobias Kippenberg, Johann Emmeram Riemensberger, Rui Ning Wang, Anat Siddharth, Andrey Voloshin, Viacheslav Snigirev, Terence Albert Emile Blésin, Andrea Bancora, Vladimir Shadymov