Three Axis Fiber-Optic Gyroscopes

 

Allan variance plots of Optolink's fiber-optic gyroscopes

 

 

TRS200 is the state-of-art miniature FOG TRS

Range of measured angular rate, °/s ±950 (±495 for export)
Bias drift at stabilized temperature (100 s-averaging, 1σ), °/hour ≤0.2
≤0.02 (Allan variance)
Bias drift at changing temperature from -40°C to +60°C (100 s-averaging, 1σ), °/hour ≤0.5
Scale factor error in temperature range -40°C to +60°C (1σ), ppm ≤300
Bandwidth, Hz ≥100 (up to 1kHz)
Random walk (Allan variance), °/√hour ≤0.02
Power supply, V 5 VDC or 27±5 VDC
Power consumption, W ≤7
Weight (net), kg 0.5
Dimensions, mm 75 × 75 × 60 mm
Operational temperature range -40°C ~ +60°C

Output

RS-485


Allan variance plot of TRS200 gyroscopes (identical to IMU200)

 


 

TRS400 is the state-of-art miniature FOG TRS

Range of measured angular rate, °/s ±540 (±495 for export)
Bias drift at stabilized temperature (100 s-averaging, 1σ), °/hour ≤0.1
≤0.01 (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 1kHz)
Random walk (Allan variance), °/√hour ≤0.01
Power supply, V 5±0.25
Power consumption, W ≤7
Weight (net), kg 0.7
Dimensions, mm 80 × 95 × 62.5 mm
Operational temperature range -40°C ~ +60°C

Output

RS-422


Allan variance plot of TRS400 gyroscopes (identical to IMU400)

 


 

 

Range of measured angular rate, °/s ±400
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 ≤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

RS-422


Allan variance plot of TRS500

 


 

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
≤0.003 (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

MIL-STD-1553B


Allan variance plot of VOBIS

 



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