Fine-Steering Mirrors
What is an LHDC FSM?
- 2-Axis Pointing Mirrors
- Large Angular Travel: +/-2 or +/-10 degrees
- Flexure Suspensions
- Electro-Magnetic Actuators
- With Servo Control Electronics
- Reaction and Momentum Compensated
What Functions Can They Do?
- Pointing
- Jitter Correction
- Alignment
- Line-of-Sight Stabilization
- Scanning
- Chopping
- Tracking
What Applications Use FSMs?
- Image Motion Compensation
- Earth observation from orbit
- Instrumentation equipment
- Infra-red inspection
- Laser surgery
- Interceptor seeker optical heads
- Ground and Space-based astronomy
- Video cameras
- Laser communications
- Photolithography
Outstanding Performance
- High acceleration to 50,000 rad/sec²
- Large travel to +/-10 degrees
- High bandwidth to 4000 Hz
- Low power: <0.5w dissipation @ 1000 R/sec²
Configuration Options
- Laboratory optical bench
- Aircraft, helicopter, or truck
- Spacecraft
- 19" Laboratory electronics
- Low-weight flight electronics
How Long Does it Take to Get One?
- Standard units in 4 to 6 months
- Custom modifications add 1 to 3 months
- Additional units at 2 week intervals
Product Details
| Product | Aperature | Beam Size | Nominal BW | High Bandwidth |
|---|---|---|---|---|
| (mm) | (mm) | (Hz) | (Hz) | |
| FO15 | 35 x 19 | 15 | 500 | 3000 |
| FO20 | 32 x 24 | 20 | 400 | 2000 |
| FO25 | 40 x 30 | 25 | 350 | 1700 |
| FO35 | 56 x 42 | 35 | 300 | 1500 |
| FO50 | 80 x 60 | 50 | 250 | 1200 |
| FO75 | 116 x 85 | 75 | 200 | 1000 |
| FO100 | 153 x 112 | 100 | 150 | 750 |
| FO150 | 224 x 162 | 150 | 80 | 400 |
| FO250 | 366 x 262 | 250 | 40 | 200 |
| FO400 | 578 x 412 | 400 | 20 | 100 |
| FO625 | 900 x 641 | 625 | 15 | 65 |
| FR100 | 112 x 112 | 100 | 200 | 1000 |
| FR150 | 162 x 162 | 150 | 120 | 600 |
| FR250 | 262 x 262 | 250 | 60 | 300 |
| FR1000 | 1020 x 1020 | 1000 | 12 | 60 |