Laser coating
| Item | Single AR coating, Doublt AR coating, HR coating |
| Material | BK7, Fused Silica, CaF2, ZnSe, Si, Ge |
| Design Wavelength | Custmer design |
| Dimension Tolerance | +0/-0.05mm |
| Thickness Tolerance | +/-0.1mm |
| Surface Quanlity | 40-20 or better |
| Surface Figure | lambda/4 or better@632.8nm |
| Center Error | ETV better than 0.01mm |
| Clear Aperture | 90% of diameter |
| Bevel | Protective bevel |
| Coating | 193nm, 266nm, 355nm, 532nm, 1064nm, 10640nm |