Long distance fiber Bragg grating sensor system based on erbium-doped fiber and raman amplification

Junhao Hu,Zhihao Chen,Xiufeng Yang,Junhong Ng,Changyuan Yu

ACP), 2009 Asia（2009）

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摘要

A novel simple long distance FBG sensor system is proposed and demonstrated. It can easily achieve 45dB signal-to-noise 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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关键词

erbium doped fiber,fbg sensor,raman amplification,long distance sensor,stimulated emission,signal to noise ratio,sensors,fiber bragg gratings,erbium

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