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 - Scanning
- Jitter Correction - Chopping
- Alignment - Tracking
- Line-of-Sight Stabilization

 What Applications Use FSMs?

- Image Motion Compensation - Interceptor seeker optical heads
- Earth observation from orbit - Ground- and Space-based astronomy
- Instrumentation equipment - Video cameras
- Infra-red inspection - Laser communications
- Laser surgery - Photolithography

 Outstanding Performance

  • High acceleration to 50,000 rad/sec2
  • Large travel to +-10 deg
  • High bandwidth to 4000 Hz
  • Low power: <.5w dissipation @ 1000R/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 Aperture 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
 
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