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Chalcogenide glass circle IR blanks are crafted from chalcogenide glass, a material renowned for its excellent infrared transparency. These blanks are indispensable in fabricating optical components like lenses and windows used in thermal imaging, night vision, and other IR applications. Their ability to mold and transmit IR light efficiently makes them highly valuable in advanced optics manufacturing.
| Material | Chalcogenide Glasses | |||||
| 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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