Teaching Experimental Device of Fiber Bragg Grating Temperature Stress Sensing
FBG(Fiber Bragg Grating)sensing technology has achieved rapid development in scientific research and engineering applications,but it is rarely used in undergraduate experimental teaching.Currently,there are few devices available in the market that can be directly used for FBG sensing experimental teaching,and cutting-edge scientific research technology is disconnected from undergraduate experimental teaching.To address this situation,a teaching experiment device for temperature stress sensing based on FBG has been designed.The device consists of three parts:a fiber laser,a spectrometer,and upper computer control software.The fiber laser enables laser output of about 1 550 nm.The spectrometer measures the change of FBG center wavelength and collects data into the computer.The upper computer control software is used for graphic display and data storage.The experimental device has the advantages of simple operation,flexible assembly,good repeatability,and stability,and can be used for undergraduate experimental teaching.We introduce cutting-edge science and technology into undergraduate experimental teaching,promote the integration of scientific research and experimental teaching,and realize the synchronous improvement of scientific research and teaching levels.
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