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Chalcogenide glass infrared aspheric optical lenses are crafted from chalcogenide glass, renowned for its excellent infrared transmission capabilities. These lenses are designed to minimize spherical aberrations, enhancing image quality in thermal imaging, night vision, and other IR applications. Their unique properties make them ideal for precise, high-resolution infrared optics. CNGEIR’s infrared aspheric lenses deliver high accuracy for your projects.
Material | Chalcogenide Glasses | |||||
Specification | Customized | |||||
Diameter Range | 12mm~450mm | |||||
Aspheric turning diameter | 12mm~200mm | |||||
Diameter Tolerance | 0.05mm | |||||
Center Thickness Tolerance | 0.02mm | |||||
Surface Quality | 20/10、10/5 | |||||
Surface Accuracy | PV λ/10、λ/20 | |||||
Surface Roughness | Ra≤0.04μm | |||||
Local Error | ≤0.5 | |||||
Decentration | ≤1′ | |||||
Total High Tolerance | ±0.02mm | |||||
Concave Sag | ±0.02mm |