Plano Concave Spherical Mirror Blanks (PCCM)
- Concave BK7 or UV Fused Silica mirror blanks
- Apply any reflecting coating Focal Length: f = - R / 2
- Apply any anti-reflection coating Focal Length: f = - R / (n - 1)
These plano-concave
BK7 or UV Fused Silica mirror blanks are polished to
λ
/ 10 surface accuracy with a laser grade finish on both sides. Select a
coating appropriate to your application or contact us with your special
coating requirements.
| Material: |
|
| Surface Flatness: | < λ / 10 @ 633 nm |
| Surface Quality: | <10/5 (both sides) |
| Centration Error: | < 3 arc min |
| Radius Tolerance: | < ± 0.5% |
| Diameter Tolerance: | < + 0.00 / - 0.20 mm |
| Edge Thickness: | < ± 0.25 mm |
| Clear Aperture: | >85% of diameter |
