A quasi-distributed composite structure strain and temperature detection system
A composite material, quasi-distributed technology, used in thermometers, thermometers, measuring devices and other directions with physical/chemical changes, can solve the problems of large measurement errors, low signal-to-noise ratio, difficult remote monitoring, etc., to achieve convenient and feasible production. , The technological level is mature, the effect of prolonging the light time
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[0020] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0021] The embodiment of the present invention relates to a quasi-distributed composite material structure strain and temperature detection system, such as figure 1 As shown, including broadband light source 1, fiber isolator 2, 2×2 fiber coupler 3, index matching liquid 4, 1×m optical switch 5, m×n network fiber grating sensor head 6, fiber adjustable FP The filter 7, the photoelectric conversion module 8, the signal amplifier 9, the data ...
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