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What is a fiber Bragg grating sensor
With the development of the optical communication industry, whether it is Google Fiber's disruption or Baidu Fiber's promising future, the situation of both pain and joy in the market is constantly promoting the process of industrial mergers and integrations. In the future, market, technological and industrial dynamics will all be analyzed and predicted by relevant research institutions. What changes will there be in the future market, technology and industrial development trends of optical communication?
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The application of Fiber grating sensors
Since Morey et al. in the United States first conducted research on strain and temperature sensors using fiber Bragg gratings in 1989, countries around the world have paid great attention to it and carried out extensive application research. In just over a decade, fiber Bragg gratings have become the fastest-growing technology in the field of sensing and have achieved successful applications in many fields. Such as aerospace, civil engineering, composite materials, petrochemicals and other fields.
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Classification of fiber grating sensors
These sensors mainly include fiber Bragg grating strain sensors, temperature sensors, acceleration sensors, displacement sensors, pressure sensors, flow sensors, liquid level sensors, etc. This type of strain sensor is the most widely used and technologically mature optical fiber sensor in the engineering field. Strain directly affects the wavelength drift of fiber Bragg gratings. In cases where the working environment is good or the structure to be tested requires a small sensor, people directly attach bare fiber Bragg gratings as strain sensors to the surface of the structure to be tested or embed them inside the structure.
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