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Conferences > ACPC > 2015 > ASu2A > ASu2A.150

An 86 km direct detection POTDR with co-pumping 2nd Raman amplification based on random fiber lasing

Yuanwei Zheng, Yi Li, Meng Zhang, Yangyang Ren, You Li, Zhenshi Sun, Mengqiu Fan, Huijuan Wu, Zinan Wang, and Yunjiang Rao

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Abstract

An 86 km long POTDR system with 20m spatial resolution has been experimentally demonstrated with direct detection. Co-pumping 2nd Raman amplification based on random fiber lasing is used to amplify the pulsed probe along the fiber, significantly extends sensing distance.

© 2015 Optical Society of America

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