Product : Large size optics
ARD-Optics manufactures big size sapphire and glass windows. The windows are rectangular (polygonal forms are available at the customer’s request) and round windows.
All these windows can have wide facets of complicated configuration: stepped, and bilateral with different angles.
| Round sapphire window | Rectangular sapphire window | |
|---|---|---|
|
Diameter/dimensions |
Up to 300 mm |
300 × 160 mm |
|
Thickness |
Up to 25 mm |
Up to 25 mm |
|
Parallelism |
1 arc min. |
1 arc min. |
|
Dimension tolerance |
+/-0.1 |
+/-0.1 |
|
on diameter S/D 50 mm |
1/2 and better |
1/2 and better |
|
Surface quality S/D MIL-13830 |
40/20 and better |
40/20 and better |
