| Project | Capability |
| Outer Diameter | Chalcogenide:Φ5mm-Φ25mm |
| Outer Diameter Tolerance | ±0.005mm |
| Center Thickness Tolerance | ±0.05mm |
| Surface RMS Figure Error | ≤0.1um |
| Surface Irregularity (AS) | ≤0.1um |
| Irregularity PV | ≤0.3um |
| Surface Decenter | ≤5um |
| Surface tilt | ≤90″ |
| Coating / Appearance | As per customer requirements |
Wavelength has been focused on providing high precision optical products for 20 years