The vibrating fiber (vibrating fiber optic cable) is actually a perimeter intrusion detection system, not a single fiber optic cable. Distributed Fiber Optic Vibration Sensing (DVS) is an advanced optical sensing technology that uses single-mode optical fiber (SMF, G652 recommended) as both the sensing medium and signal transmission carrier. It consists of three parts: an inner conductor, an. Hundreds of kilometers of optical fibers are installed for optical meshes (OMs) to transmit data over long distances. Understanding the degradation in performance under these conditions is essential for integration of the fibers into the given application.