- fiber-optics gyro
- A fiber-optics gyro measures a rotation by passing a coherent light both ways simultaneously around a loop of mono-mode optical fiber. The rotation is measured instantly by a phase shift at the output. This device is not a gyro, even though it performs the same function as a gyroscope.Rotation of fiber coil is sensed by the laser source as phase shift and is converted into digital indications.
Aviation dictionary. 2014.
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