14Distributed Vibration Sensing Based on Dual Mach–Zehnder Interferometer
14.1 Theory Analysis of Distributed Vibration Sensing Based on Dual Mach–Zehnder Interferometer
Dual Mach–Zehnder interferometer (DMZI)‐based distributed optical fiber vibration sensing system can detect and locate external intrusions along the sensing fiber link. This capability turns out to be very attractive for security applications, such as oil and gas pipeline monitoring, real‐time position and speed monitoring of trains, perimeter security fields, and other applications [1–10]. It has some advantages of high sensitivity, fast response, and simple structure, which have attracted more attention in the recent years [11–13]. In this section, the working principle ...
Get Optical Fiber Sensing Technologies now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
