Request a quote Round Windows
Precision round optical windows manufactured to customer specifications.
Typical Specifications
| Material | N-BK7 / H-K9L |
|---|---|
| Diameter Tolerance | +0.0 / −0.1 mm |
| Thickness Tolerance | ±0.1 mm |
| Surface Flatness | λ/4 @ 632.8 nm |
| Parallelism | ±2 arcsec |
| Surface Quality | 40-20 Scratch-Dig |
| Clear Aperture | >90% |
| Bevel | <0.2 mm × 45° |
| Coating | AR Coating |
Other specifications, materials, and coatings are available upon request.