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The application and performance characteristics of experimental apparatus of optical fiber sensing

by:FOT     2020-06-22
The application and performance characteristics of experimental apparatus of optical fiber sensing optical fiber sensing experiment instrument is a kind of suitable for colleges and universities optoelectronic technology, microelectronics technology, electronic engineering and other professional experiment teaching instruments and equipment, has the very good experiment to expand. In order to adapt to improve the quality and the teaching goal of cultivating the ability of students, this paper expounds how the fiber optic equipment sensing experiment instrument to complete the five basic experiments conducted on the basis of in-depth development and expansion, in order to get more design and research experiments. Is given on the basis of the experimental apparatus of optical fiber sensing the design and development of optical fiber such as pressure, temperature, liquid level test. Light transmission in the optical fiber, optical fiber is easily affected by external environment factors, such as temperature, pressure, electric field, magnetic field changes in the environment will cause the amount of light as the light intensity, phase, frequency, polarization and other changes, by the amount of change, you can know that these waves volume change of the displacement and the size of a physical quantity, such as temperature, pressure, electromagnetic field. Is experimental apparatus of optical fiber sensing optical fiber transmission technology, reflection in the field of optical fiber sensing technology and the basic principle of microbend losses technology developed on the basis of, and can be used to light test, optical fiber reflection and transmission characteristics test, displacement, temperature, pressure, young's modulus and thermal expansion coefficient of solid physical properties test. Experimental apparatus of optical fiber sensing characteristics of 1) Center guide rod adopts imported material, high precision, wear resistance. 2) Shell is made of super duralumin, avoid on-site damage equipment, prolong service life; 3) Pointer slider use external type spring coil structure, convenient for adjustment, friction and to keep the pointer shaft and pointer slider friction force uniform, to ensure the instrument. Relative to peers product cost performance is good, degree is high, long service life.
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