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See god SUNX fiber optic sensor technology application

by:FOT     2020-07-02

see god SUNX fiber optic sensor technology application in recent years, the sensor in the sensitive, compact, strong adaptability, and the direction of wisdom. In this process, sensing device this sensor to the new members of the family. Optical fiber has many excellent properties, such as: resistance to electromagnetic interference and atomic radiation performance, the diameter of fine mechanical properties, soft, light weight, insulation, no induction electrical properties, water resistant, high temperature resistant, corrosion resistance of the chemical properties, such as it can in the place where people can not reach enough ( Such as high temperature) Or harmful to the people of the region ( Such as the radiation zone) , have the effect of human eyes and ears, and still can go beyond physical boundaries, receiving people feel less than the outside world of the senses. fiber optic equipment sensor is a new technology of zui appeared in recent years, can be used to measure various physical quantities, such as Angle of acoustic field, electric field, pressure, temperature, speed, acceleration, etc. , can also complete the existing measuring technology is difficult to measuring task. In narrow space, in strong electromagnetic interference and high electric pressure environment, fiber optic sensor shows the unique ability. At present there are 70 kinds of fiber optic sensor has roughly divided into sensor and sensors itself. See god SUNX fiber optic sensor technology and application of sensor itself, so-called is itself is measured directly from outside. External measured quantities can lead to measure the length of the arm, the change of the refractive index, diameter, so as to make the transmission of light in the amplitude, phase, frequency, polarization, etc. Transmission of the light and the reference arm of measure arm reference light interference with each other ( Comparison) , make the output light phase ( Or amplitude) Change, according to this change can be detected by measuring the change of the. The phase of transmission of high sensitivity, affected by the outside world by using interference technique can detect the 10 to the minus 4 power of radian tiny phase change of the corresponding physical quantities. Use of around sex and low loss, can be a long fiber optic disc into a small circle of diameter, to increase the use of length, higher sensitivity. Fiber-optic acoustic sensor is a kind of using sensor. When by external force is small, can produce microbend song, but a great difference to the light transfer ability. Sound is a mechanical wave, it is the function of fiber optic fiber stress and bending, bending can get through the strength of the voice. Fiber optic gyro is a kind of sensor itself, compared with laser gyro, the fiber optic gyro high sensitivity, small volume, low cost and can be used in aircraft, ships, missiles and other high-performance inertial navigation system. As shown in figure is the principle of sensor turbine flow meter. Another major categories of sensor is the use of sensors. Its structure is as follows: roughly sensor located in the end, transmission line is the only light, will be measured quantity transformation become light amplitude, phase and amplitude changes. In this kind of sensor system, combination of traditional sensors and . The import of the fiber makes the realization of remote sensing probe provides a possibility. The transmission sensor wide application range, convenient use, but a little lower than * class sensor precision.

see god SUNX fiber optic sensor technology application


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