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100-km Long Distance Fiber Bragg Grating Sensor System Based on Erbium-Doped Fiber and Raman Amplification

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5 Author(s)
Junhao Hu ; Department of Electrical and Computer Engineering, National University of Singapore, Singapore ; Zhihao Chen ; Xiufeng Yang ; Junhong Ng
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A simple 100-km long distance fiber Bragg grating sensor system was proposed and demonstrated. It can achieve 100-km measurement length with reflected Bragg wavelength spectrum of 30 dB signal noise ratio by using only one Raman pump laser source with 1 W power at 1395 nm and two segments of erbium-doped fiber at the locations of 50 and 75 km separately.

Published in:

IEEE Photonics Technology Letters  (Volume:22 ,  Issue: 19 )