A visibility enhanced broadband phase-sensitive OTDR based on the UWFBG array and frequency-division-multiplexing

Yi Xin Zhang,Si Yi Fu,Yu Sheng Chen,Zhe Wen Ding,Yuan Yuan Shan,Feng Wang,Meng Meng Chen,Xu Ping Zhang,Zhen Meng

Optical Fiber Technology（2019）

引用 29|浏览160

暂无评分

摘要

•A fading-free broadband Φ-OTDR system is proposed for distributed vibration sensing.•Fading-free sensing is realized by fiber embedded with artificial microstructures.•An FDM structure helps the system to expand its frequency response bandwidth.

查看译文

关键词

Phase-sensitive optical time domain reflector (Φ-OTDR),Ultra-weak fiber Bragg grating (UWFBG),Fading,Visibility,Frequency-division-multiplexing (FDM),Frequency response bandwidth (FRB)

AI 理解论文

溯源树

样例

生成溯源树，研究论文发展脉络

Chat Paper

正在生成论文摘要