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A fiber optic gyro is a high-precision sensor in the class of fiber-optic interferometers designed to measure angular velocity. It transmits two laser beams- one going in the opposite direction and the other in the same direction through a fiber coil. Angular velocity is calculated based on propagation time difference between the two beams (Beat Note) during rotation. Since it contains no mechanical rotating parts, FOGs do not practically wear out and do not drift over long periods of operation, achieving extremely high stability and longevity; these are therefore the main types used in inertial navigation systems.
FOGs present great sensitivity to vibration, interference, and temperature drift; therefore, precision can be maintained even in extreme conditions. This in turn widens their application fields—from aerospace and missile guidance to marine mapping systems and unmanned systems (UAVs, UGVs), underground tunnel inspection, intelligent transportation—capable of supporting applications from tactical to navigation and strategic levels that require dynamic attitude sensing with different degrees of navigation accuracy.
With sustained development coming from the side of fiber optic manufacturing technology and digital signal processing capabilities, the most modern versions of fiber optic gyros are heading toward miniaturization, modularization, and intelligentization. Digital output, multi-axis configuration, low-power operation, and flexible integration within different navigation modules or IMUs support many high-end FOG products. FOG has taken its place as one of the irreplaceable core components in precision navigation systems due to its high reliability and excellent performance.
High performance single-axis fiber optic gyro, bias stability ≤0.05°/h (room temperature), has been widely used in tactical grade applications.
high performance single axis fiber optic gyroscope, bias stability at fixed temperature ≤0.2°/h, widely used in navigation, and precision pointing, etc.
high performance single-axis digital optical gyro, bias stability ≤0.05°/h (room temperature), has been widely used in tactical grade applications.
Super high performance single-axis fiber gyroscope, bias stability ≤0.005°/h (room temperature), has been widely used in tactical grade applications.
high performance fiber optic gyro, bias stability at fixed temperature ≤0.1°/h (1σ), has been widely used in motion sensing, stabilization, etc.
High performance closed-loop digital fiber optic gyro, widely used in attitude control, inertial navigation and integrated navigation, etc.
high performance single-axis optical gyroscope, bias stability at full temperature ≤0.3°/h, widely used in stabilization, navigation, and precision pointing, etc.
FOG60M Fiber Optic Gyro
– High Performance Single-axis Digital Fiber Optic Gyro
– Higher Accuracy, Lower Noise and Greater Efficiency
– Measuring Range: -600°/s~+600°/s
– Bias Stability at Fixed Temperature ≤0.1°/h (1σ)
– Bias Repeatability at Full Temperature ≤0.3°/h (1σ)
– Scale Factor Non-linearity ≤50ppm
– Bandwidth ≥200Hz
– Working Temperature: -40~+70ºC
High performance mini digital fiber optic gyro, ultra-small size: Φ24.2*50mm, widely used in UAVs, borehole survey, miniature gimbals, robotics, etc.
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