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Germanium IR blanks are high-purity, pre-formed pieces of germanium, extensively utilized in manufacturing infrared optical components. These blanks are particularly valued for their excellent transparency in the infrared spectrum, making them ideal for crafting lenses and windows in thermal imaging systems, spectroscopy equipment, and other IR applications.
| Material | Ge | |||||
| 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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