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A large number of points temperature warning system based on same wavelength FBG string
QI Yunjie 1,ZHANG Zhiguo 1 *,ZHOU Wenting 2,WANG Xin 2,CHEN Shuo 2,SUN Shaohua 2,YANG Linhui 2
1.State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China;State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China;Information and Communication Company of State Grid Electric Power Co., Ltd., Urumqi 830000, China;Information and Communication Company of State Grid Electric Power Co., Ltd., Urumqi 830000, China;Global Energy Interconnection Research Institute Co., Ltd., Beijing 102209, China;Information and Communication Company of State Grid Electric Power Company, Xining 810000, China;Information and Communication Company of State Grid Electric Power Company, Xining 810000, China
2.
*Correspondence author
#Submitted by
Subject:
Funding: Science and Technology Program of State Grid Corporation of China (No.No. 52280019000S))
Opened online: 5 February 2021
Accepted by: none
Citation: QI Yunjie,ZHANG Zhiguo,ZHOU Wenting.A large number of points temperature warning system based on same wavelength FBG string[OL]. [ 5 February 2021] http://en.paper.edu.cn/en_releasepaper/content/4753635
 
 
This paper proposes a large number of points temperature warning scheme based on the same wavelength fiber Bragg grating (FBG) string. The temperature warning experiment environment was established for experiment and a single-channel demodulator was used to obtain the wavelength shift of FBG. This scheme uses wavelength division multiplexing(WDM) technology to measure temperature. The results showed that the system can realize a temperature warning with an accuracy of about 3℃.
Keywords:Communication and Information System; temperature warning system; WDM technology; the same wavelength FBG; a large number of points temperatuure warning
 
 
 

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