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Three Axis Fiber-Optic Gyroscopes
Allan variance plots of Optolink's fiber-optic gyroscopes
Three axis fiber-optic gyroscope TRS500

Range of measured angular rate, °/s |
±400 |
Bias drift at stabilized temperature (100 s-averaging, 1σ), °/hour |
≤0.1
≤0.005 (Allan variance) |
Bias drift at changing temperature from -40°C to +60°C (100 s-averaging, 1σ), °/hour |
≤0.3 |
Scale factor error in temperature range -40°C to +60°C (1σ), ppm |
≤200 |
Bandwidth, Hz |
≥100 (up to 2kHz) |
Random walk (Allan variance), °/√hour |
≤0.01 |
Power supply, V |
27±5 |
Power consumption, W |
≤8 |
Weight (net), kg |
1.2 |
Dimensions, mm |
110×110×92 |
Operational temperature range |
-40°C ~ +60°C |
Output
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RS422. |
Allan variance plot of TRS500
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Space grade three axis fiber-optic gyroscope VOBIS
 
15 years of lifetime at geostationary orbit
Radiation stability up to 500 KRad
Range of measured angular rate, °/s |
±30 |
Bias drift at stabilized temperature (100 s-averaging, 1σ), °/hour |
≤0,025
≤0,0015 (Allan variance) |
Bias drift at changing temperature from -30°C to +40°C (100 s-averaging, 1σ), °/hour |
≤0,07 |
Scale factor error in temperature range -30°C to +40°C (1σ), ppm |
≤500 |
Bandwidth, Hz |
≥100 |
Random walk (Allan variance), °/√hour |
≤0,0025 |
Power supply, V |
27 |
Power consumption, W |
≤20 |
Weight (net), kg |
2,6 |
Dimensions, mm |
172×176×110 |
Output
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MIL-STD-1553B |
Allan variance plot of VOBIS
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