2 December 2009 Long distance fiber Bragg grating sensor system based on erbium-doped fiber and Raman amplification
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Proceedings Volume 7630, Passive Components and Fiber-based Devices VI; 763006 (2009); doi: 10.1117/12.852115
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China
Abstract
A novel simple long distance FBG sensor system is proposed and demonstrated. It can easily achieve 45dB signal-tonoise ratio (SNR) after transmitting along a 50km single mode fiber (SMF) by using only one 1W Raman pump laser source at 1395nm and a segment of 5m Erbium doped fiber (EDF) inserted before the FBG.
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Junhao Hu, Zhihao Chen, Xiufeng Yang, Junhong Ng, Changyuan Yu, "Long distance fiber Bragg grating sensor system based on erbium-doped fiber and Raman amplification", Proc. SPIE 7630, Passive Components and Fiber-based Devices VI, 763006 (2 December 2009); doi: 10.1117/12.852115; https://doi.org/10.1117/12.852115
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KEYWORDS
Fiber Bragg gratings

Sensors

Raman spectroscopy

Fiber lasers

Signal to noise ratio

Distance measurement

Laser sources

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