High-Speed Mach-Zehnder-OTDR Distributed Optical Fiber Vibration Sensor Using Medium-Coherence Laser

Abstract This article presents a high-speed distributed vibration sensing based on Mach-Zehnder-OTDR (optical time-domain reflectometry). Ultra-weak fiber Bragg gratings (UWFBG), whose backward light intensity is 2-4 orders of magnitude higher than that of Rayleigh scattering, are used as the reflec...

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Bibliographic Details
Main Authors: Yuheng Tong, Zhengying Li, Jiaqi Wang, Honghai Wang, Haihu Yu
Format: Article
Language:English
Published: SpringerOpen 2018-06-01
Series:Photonic Sensors
Subjects:
Online Access:http://link.springer.com/article/10.1007/s13320-018-0499-4