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Silicon infrared spheric optical lenses are made from high-purity silicon, known for its strong infrared transmission properties. These lenses are particularly effective in near-infrared to mid-infrared applications, including telecommunications and security systems. Silicon lenses are favored for their durability, thermal stability, and ability to provide clear, focused imaging across various IR wavelengths.
| Material | Si | ||||
| Specification | Customized | ||||
| Diameter Range | 12mm~450mm | ||||
| Polishing diameter | 12mm~450mm | ||||
| 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 | ±0.02 | ||||
| Concave Sag | ±0.02 | ||||
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