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Three Axis Fiber-Optic Gyroscopes
Allan variance plots of Optolink's fiber-optic gyroscopes
TRS400 is the state-of-art miniature FOG TRS
| Range of measured angular rate, °/s |
±495 |
| Bias drift at stabilized temperature (100 s-averaging, 1σ), °/hour |
≤0.1
≤0.007 (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 |
≤300 |
| Bandwidth, Hz |
≥100 (up to 2kHz) |
| Random walk (Allan variance), °/√hour |
≤0.01 |
| Power supply, V |
5±0.25 |
| Power consumption, W |
≤5 |
| Weight (net), kg |
0.7 |
| Dimensions, mm |
80 × 95 × 62.5 mm |
| Operational temperature range |
-40°C ~ +60°C |
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Output
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RS422 |
Allan variance plot of TRS400 (identical to IMU400)
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| 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 |
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Output
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RS422 |
Allan variance plot of TRS500
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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 |
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Output
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MIL-STD-1553B |
Allan variance plot of VOBIS
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