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Silicon infrared aspheric optical lenses are designed to enhance imaging performance by reducing spherical aberrations in infrared applications. Crafted from high-purity silicon, these lenses are especially effective in the mid to long-wave infrared ranges, making them ideal for thermal imaging, security systems, and scientific instruments where precision is critical. Get custom aspheric lenses from CNGEIR, tailored to your needs.
Material | Si | |||||
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 |