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ZnSe IR blanks are precision-cut pieces of zinc selenide, a material highly prized for its outstanding infrared transmission properties. These blanks are essential in manufacturing optical components such as lenses and windows used in thermal imaging systems, CO2 laser optics, and various medical and scientific instruments, where clarity and performance at IR wavelengths are crucial.
| Material | ZnSe | |||||
| 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′ | |||||
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No.9 Zhongxing East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, China 
