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Fiber optic gyroscope features
Oct 19, 2018

Compared with electromechanical gyros or laser gyros, fiber optic gyros have the following characteristics:

(1) The parts are few, the instrument is firm and stable, and has strong anti-impact and anti-acceleration ability;

(2) The length of the wound fiber is longer, so that the detection sensitivity and resolution are several orders of magnitude higher than that of the laser gyro;

(3) There is no mechanical transmission component, there is no wear problem, and thus has a long service life;

(4) It is easy to adopt integrated optical path technology, the signal is stable, and can be directly used for digital output and connected with a computer interface;

(5) By changing the length of the optical fiber or the number of times of light propagation in the coil, different precisions can be achieved and a wide dynamic range can be achieved;

(6) The coherent beam has a short propagation time, so that it can be started instantaneously without preheating;

(7) It can be used together with a ring laser gyro to form sensors of various inertial navigation systems, especially sensors of strapdown inertial navigation systems;

(8) The structure is simple, the price is low, the volume is small, and the weight is light.



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