Products
Large Optical Windows
ARD Optics manufactures large-aperture optical windows in round and rectangular formats. Custom polygonal geometries are available upon request.
Windows can be supplied with complex edge profiles, including stepped bevels and double-sided chamfers at custom angles.
Materials available:
Sapphire, Fused silica, BK-7 glass, Si, Germanium, ZnS, ZnSe, and other optical crystals and glasses.
Typical applications:
- Industrial and scientific laser systems
- Vacuum chamber viewports
- High-power laser protection shields
- Semiconductor and microelectronics equipment
- Cryogenic and high-temperature systems
Large Size Sapphire & Glass Optical Windows — Specifications
| Round window | Rectangular window | |
|---|---|---|
| Materials | Sapphire, Fused silica, BK7 glass, Si, Germanium, and other types of crystal and glass |
|
| Diameter / Dimensions | Up to 380 mm | 300 × 300 mm |
| Thickness | Up to 200 mm | Up to 200 mm |
| Parallelism | Up to 30 arc sec. | Up to 30 arc sec. |
| Dimension tolerance | +/− 0.02 mm | +/− 0.02 mm |
| Flatness (λ on ⌀ 100 mm) | Up to λ/10 | Up to λ/10 |
| Surface quality S/D (MIL-13830) | 20/10 and better | 20/10 and better |