Fine-Steering Mirrors
Transmissive Fine-Steering
Optics
Linear Electro-Magnetic
Actuators
Inertial Line-of-Sight Stabilization Systems
Active Magnetic Isolation Systems
Servo Electronics
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Transmissive Fine-Steering Optics
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- Compact Transmissive Steering Elements -
Two Concepts Available
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Rotating Fine-Steering Flats
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Translating Fine-Steering Lenses
Why Use Transmissive Steering Elements?
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Compact Optical System
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Fewer Optical Elements
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How do they work?
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2-Axis Steering Motion
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Closed-loop Servo For Accuracy
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Flexure Suspensions
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Electro-Magnetic Actuators
What Performance Can Be Achieved?
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+-1 Degree Rotational
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+-2 mm Translational
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1000 Hz Control Bandwidth
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Visible to Far Infra-red
What Functions Can They Do?
| - Pointing |
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- Scanning |
| - Jitter Correction |
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- Chopping |
| - Alignment |
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- Tracking |
| - Line-of-Sight Stabilization
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Rotating Fine-Steering Flats
- High Accuracy in a Compact Format -
How Does a Rotating Flat Steer a Beam?
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2-axes Rotation of Transmissive Flat
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Axes of Rotation in the Plane of the Flat
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Refractive Index Causes Lateral Beam Motion
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Lateral Beam Motion in "Image Space" Steers Beam
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+-1 Degree Travel
What Sizes are Available?
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25, 50 and 75 mm Aperture
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Flats up to 20 mm Thick
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