
MTF Test Benches
We supply optical test equipment for assessing the quality of visible and infra-red lenses. These benches can be supplied for Research and Development applications, or for Production Testing.
Specifications
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- Visible MTF Test Bench
Detector | Resolution, Cell Size |
Standard Resolution CCD Camera | 0780 x 0582, 8.33 um |
High Resolution CCD Camera | 1388 x 1038, 6.45 um |
Very High Resolution CCD Camera | 2452 x 2056, 3.45 um |
Cooled Scientific CCD Camera | 1344 x 1024, 6.45 um |
Photomultiplier Tube | 1 um slit aperture |
Field Angle Generator | Range, Accuracy, Load Capacity |
Rotary Stage Table | +/-120 degrees, 5 secs, 25 kg |
Swinging Arm (Linear Stage) | +/-030 degrees, 5 secs, 50 kg |
Swinging Arm (Linear Stage | +/-045 degrees, 5 secs, 50 kg |
Swinging Arm (Circular Stage) | +/-120 degrees, 5 secs, 200 kg |
Beam-Steering Mirror | +/-020 degrees, 5 secs, NA |
Collimator | Diameter, Wavefront Accuracy |
Off-Axis Parabola | 100 - 500 mm, lambda/10 @ 633nm |
Achromatic Doublet/Triplet | 025 - 100 mm, lambda/50 @ 633nm |
Light Source | Description |
Visible Object Generator | 50W T-H Lamp, condensor optics |
Fibre-Optic Light Source | 50W T-H Lamp, fibre-optic cable |
Motorised Stages | Specification |
Focus, Field, Height | Linear, 50 or 100 mm travel |
Field Angle | Linear or Rotary |
Lens Rotation | Rotary 360 deg, up to 200mm aperture |
- Infra-Red MTF Test Bench
Detector | Specification |
MWIR (3- 5 um) detector | LN2 cooled, 100mm nozzle, 10um aperture |
LWIR (8-12 um) detector | LN2 cooled, 100mm nozzle, 10um aperture |
Field Angle Generator | Range, Accuracy, Load Capacity |
Rotary Stage Table | +/-120 degrees, 5 secs, 25 kg |
Swinging Arm (Linear Stage) | +/-030 degrees, 5 secs, 50 kg |
Swinging Arm (Linear Stage | +/-045 degrees, 5 secs, 50 kg |
Swinging Arm (Circular Stage) | +/-120 degrees, 5 secs, 200 kg |
Beam-Steering Mirror | +/-020 degrees, 5 secs, NA |
Collimator | Diameter, Wavefront Accuracy |
Off-Axis Parabola | 100 - 500 mm, lambda/10 @ 633nm |
Light Source | Description |
IR Object Generator | 30W glow-bar, rotateable, chopped |
Motorised Stages | Specification |
Focus, Field, Height | Linear, 50 or 100 mm travel |
Field Angle | Linear or Rotary |
Target Azimuth | Rotary 0-90 deg |
Lens Rotation | Rotary 360 deg, up to 200mm aperture |
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