Description
Germanium windows:
Germanium is most widely used for lenses and windows in IR systems operating in the 2 um - 12 um range. Its transmission is very temperature sensitive, becoming opaque near 100°C. Environment does not cause problems because Germanium is inert, mechanically rugged, and fairly hard.
Germanium windows specification:
|
Material: |
Germanium(Ge) |
|
Dimension Tolerance: |
+0.0, -0.1mm |
|
Thickness Tolerance: |
± 0.1mm |
|
Surface quality: |
60/40 |
|
Clear Aperture: |
>85% |
|
Flatness: |
λper 25mm |
|
Parallelism: |
3' |
|
Bevel: |
<0.25mm X 45° |
|
Coating: |
AR Coated & DLC Coated |
