Product Details
Cassegrain Collimator
Applications and Main Features
Cassegrain collimator mainly Provides infinity cross and star point targets for visible and infrared optical systems, used for correcting the axial consistency of multi-axis integrated optoelectronic products, with advantages of long focal length, small size, and no chromatic aberration.
Main Technical Indicators
1 Optical System
Effective aperture: φ300mm;
Focal length: f′=3600mm, error ±15mm;
Image plane field of view: φ45mm (2ω=43′);
Central obscuration ratio (including secondary mirror mount): ≤27%
2 Reticle
The reticle is divided into hollow cross reticles and star point plates. The cross line widths are 0.05mm, 0.1mm, 0.2mm, and 0.3mm respectively, and the star point sizes are φ0.05mm, φ0.1mm, φ0.2mm, and φ0.3mm respectively.
3 Blackbody Source
Operating temperature: Ambient temperature +5℃—200℃;
Effective radiation surface: φ200mm;
Temperature resolution: 0.01℃;
Temperature measurement accuracy: ±(0.3%FS+0.5)℃;
Temperature stability: ±(0.01—0.05)℃/h;
Effective emissivity: 0.97±0.02;
Power supply: 220V AC, 50Hz
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