Fiber Optic Sensor
Definition - What does Fiber Optic Sensor mean?
Techopedia explains Fiber Optic Sensor
If wavelength shift is used, this can be sensed and calculated with the use of an instrument that implements optical frequency domain reflectometry. Sensing for time delay, on the other hand, requires a device that uses an optical time-domain reflectometer.
To create a temperature sensor, an optical fiber with an evanescent loss property that varies along with temperature is used or the Raman scattering produced in the fiber by the temperature is analyzed. To measure electrical voltages, nonlinear optical effects are sensed in specially doped fiber that alters its light polarization as a function of the electrical field.
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