FOT

The basic working principle of optical fiber sensor

by:FOT     2020-06-25
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ElectroNICast prediction of fiber optic sensor market will from 18, 2013. $900 million in 2018 to 43. 300 million dollars, with an average annual growth rate of 18%. It expects 2014 industry keep continuous distributed optical fiber sensor to the use of the military/aerospace/security application class,

ElectroNICast prediction of fiber optic sensor market will from 18, 2013. $900 million in 2018 to 43. 300 million dollars, with an average annual growth rate of 18%. It expects 2014 industry keep continuous distributed fiber optic equipment sensor to the use of the military/aerospace/security application class, followed by petrochemical/energy sector. Is expected in the structural health monitoring of civil engineering/construction industry, and Bridges, tunnels, towers and other structures in the use of continuous fiber optic sensor will also be strong growth.

in the aspect of application, continuous distributed fiber optic equipment sensor in biomedical/science also has less usage. And according to ElectroniCast forecasts, market will continuously distributed optical fiber sensor from 10 in 2013. Growth of $9. 9 billion in 2018 to 30. 9. 6 billion dollars, with an average annual growth rate of 23%.

the basic working principle of fiber optic equipment sensor is to light through the optical fiber from the light source to the modulator, the parameters under test and after entering modulation OuDeGuang interaction, leads to the optical properties of the light ( As the light intensity, wavelength, frequency, phase and skewed normal, etc. ) Change, called a modulated signal light, before using the measured optical transmission characteristics of influence, complete the measurement. According to the classification of fiber optic sensor, light by the form of modulation object can be divided into the intensity modulation, polarization system, phase, frequency system; According to whether the light interference occurs can be divided into interference and the interference; According to whether can be measured with the increase of the distance continuously monitored can be divided into distributed and some fraction; According to the role of fiber in the sensors can be divided into: one kind is functional ( FunctionalFiber, abbreviated as FF) Sensors, also known as the sensor type sensor; Another kind is functional, also known as the light sensor.


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