Principle of Optical Cable Positioning and Detection
Fiber optic position sensors utilize light transmitted through optical fibers to determine the position or displacement of an object. When rough construction occurs, construction machines will gradually dig into the ground, leading to the risk of damaging optical cables. The combination of the dark fiber in existing Optical Fiber Composite Overhead Ground Wire (OPGW) with Distributed Optical Fiber Sensing (DOFS) technology can be used to enable online monitoring and provide early warnings of anomalies in high-voltage transmission lines. Heating the material enables the trapped states to interact with phonons and decay into lower-energy.
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