Commercial Grade Germanium Windows
Commercial Grade Germanium Windows
Product name : Commercial Grade Germanium Windows
Description :
Ge Windows are available with a broadband AR coating for the 8-12 μm spectral range deposited on both surfaces. This coating greatly reduces the high surface reflectivity of the substrate, yielding an average transmission in excess of 90% over the entire AR coating range.
Specification
| Material | Germanium |
| Diameter Tolerance | +0.0/-0.1mm |
| Thickness Tolerance | ±0.1mm |
| Surface Accuracy | λ/4@632.8nm |
| Surface Quality | 60-40 |
| Centration | <1 arc min |
| Clear Aperture | >90% |
| Bevelling | <0.2x45∘ |
| Coating | Uncoated |