IR & UV Lenses
IR & UV Lenses
Control Optics specializes in processing for IR band and UV band, possessing years of experience in material processing, such as UV grade fused silica, fused silica in NIR (1μm～2 μm), sapphire and Si used in 3 μm～5 μm, as well as Ge, Si, CaF2, MgF2, ZnS, and ZnSe(8 μm～14 μm).
Lens Specifications
| Material | BK7、Borosilicate glass、B270、UV Grade Fused Silica、Sapphire、Ge、Si、CaF2、MgF2、ZnS、ZnSe、Optical glass、Customer-designated materials |
| Diameter | 2mm~1000mm |
| Radius | specified by customer |
| Chamfer | specified by customer |
| Coating | Multilayer Dielectronic Coating Diamond-like carbon (DLC) coating specified by customer |
| Low grade | General grade | High grade | |
| Diameter tolerance | +/-0.2 | +0/-0.1 | +0/-0.01 |
| Surface quality | 120-80 | 60-40、80-50 | 10-5、20-10、40-20 |
| Parallelism | 3' | 1' | 10'' |
| Surface accuracy | 2λ | 1/2λ | 1/10λ |
| Radius tolerance(ΔR) | R/300 | R/500 | R/1000 |
| Central Thickness(Tc) | +/-0.1 | +/-0.05mm | +/-0.01 |
| Edge Thickness(Te) | +/-0.1 | +/-0.05mm | +/-0.01 |
| Clear Aperture | 85% | 90% | 100% |
| Centration | 5' | 3' | 30'' |
