09 Jan 2023 Creator Optics manufactures quality infrared germanium windows and coatings in-house. All of these germanium optical windows have the following features:
- Infrared grade germanium single crystal
- Precise external dimensions
- Deeply polished optically effective surface
- Excellent surface flatness and double-sided parallelism
- Smooth protective chamfer
- Optimized infrared optical anti-reflection coating
- Surface hardening and diamond-like carbon coating
- Reliable resistance to harsh environments (salt erosion, sand, rain and fog)
Specifications of Infrared Anti-reflection and Diamond-Like Carbon (DLC) Coated Germanium Windows:
| Dimensions |
Diameter from 3mm to 300mm, customized available |
| Thickness |
0.2mm to 50mm , customized available |
| Dimensions Tolerance |
+/-0.1mm |
+/-0.1mm |
| Thickness Tolerance |
+/-0.1mm |
+/-0.1mm |
| Windows Edge |
fine ground |
fine ground |
| Chamfer/Bevel |
0.25x45 degrees (no-chips) |
0.25x45 degrees (no-chips) |
| Surface Flatness |
1/10 lambda per inch @10.6um |
1/10 lambda per inch @10.6 um |
| Parallelism |
30 arc seconds |
30 arc seconds |
| Surface Qulitity |
40/20 |
40/20 |
| Clear Aperture |
>85% |
>85% |
| Coating |
AR/AR coating at 7-15 microns, AR+DLC @ 7-14um, customized available |
| Material |
Infrared grade germanium monocrystal (Ge) |
Learn more about DLC coated germanium windows: Infrared anti-reflection and diamond-like carbon (DLC) coated germanium (Ge) windows - Creator Optics |
