Optical time-domain reflectometer (OTDR) is used for spatial positioning in distributed temperature sensing system, and the pulse width determines the spatial resolution. ROTDR based distributed temperature sensing system commonly uses…

Brillouin OTDR (BOTDR) distributed fiber sensing system is featured by excellent real-time performance, high spatial resolution and measurement accuracy, as well as simple structure. Design considerations of laser sources for…

Utilizing distributed optical fiber sensing system based on φ-OTDR, it makes the security monitoring system not only has characteristics of electromagnetic interference resistance, corrosion resistance and high sensitivity, but also…