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Infrared Machining -- Polishing

Product Description


Product Attribute
Materials: Germanium、Silicon、ZnSe(Zinc Selenide)、ZnS(Zinc Sulfide)、Aluminum、Copper、Nickel、Nickel-Copper、Calcium fluoride、Chalcogenide Glass、PMMA Optical Plastic and PC.
Application: Manufacture Various of infrared materials、Windows and lens
Specification (mm): According to Customer Demand
Diameter: 12mm-500mm
Aspheric Turning Diameter: 12mm-260mm
Spherical Polishing Diameter: 12mm-500mm
Spherical Radius: 5-+∞
Diameter Tolerance: ±0.05
Center Thickness Tolerance: T±0.02
Surface Quality: ≤3nm
Surface Accuracy: Rt≤0.5µm,Ra≤0.04µm
Irregularity: ≤0.5
Centering: ≤1'
Total Thickness Tolerance: ±0.02
Sag of Concave: ±0.02