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In this paper, in order to understand the fiber Bragg grating (FBG) sensor's temperature sensing properties with different coating materials and packaging materials at low temperature, and choose a FBG sensor for engineering application, an experimental platform is designed at first, the temperature sensing performance of five different type of FBG sensors at low temperature (77K–296K) is studied,...
Nowadays pipeline inspection needs sensors increasingly which can measure long distance and in small diameter. Fiber Bragg grating (FBG) sensors just have the conditions needed for pipeline inspection. Meanwhile, FBG sensors have powerful networking features, and it can be taken to build real-time monitoring system of piping shape. The FBG sensors can calculate the coordinate values in any position...
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