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28 September 2015 Brillouin optical correlation domain analysis with more than 1 million effective sensing points
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96340I (2015) https://doi.org/10.1117/12.2194735
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
Huge enlargement of the sensing range of Brillouin optical correlation domain analysis (BOCDA) is achieved by simultaneously applying double modulation and optical time gate on the basis of differential measurement scheme. The BOCDA system with a spatial resolution less than 1 cm and a sensing range over 10 km is experimentally demonstrated, which corresponds to distributed measurement with more than 1 million effective sensing points.
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Kwang Yong Song, Yong Hyun Kim, and Kwanil Lee "Brillouin optical correlation domain analysis with more than 1 million effective sensing points", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96340I (28 September 2015); https://doi.org/10.1117/12.2194735
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