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Zinc Sulfide (ZnS) circle IR blanks are essential for manufacturing infrared optical components. These blanks, known for their high refractive index and broad transmission from visible to far-IR wavelengths, are used to produce lenses, windows, and domes for various applications, including thermal imaging, surveillance systems, and aerospace technologies.
IR Material | ZnS | |||||
Specification | Customized | |||||
Diameter Tolerance | ≤0.03mm | |||||
Curvature Radius | △Sag<0.005 | |||||
Center Thickness Tolerance | ≤0.025mm | |||||
Edge Thickness | ≤0.03mm | |||||
Surface Quality | 40/20 | |||||
Transmittance | 1.AR ≥97% 2.DLC+AR≥90% | |||||
Surface | N<2 △N<1 | |||||
Flatness | <10μm | |||||
Decentration | 1.Window<30′2.Lens<1.5′ |