We provide aspherical lenses with following IR materials: Si, Ge, ZnSe, ZnS, chalcogenide glass, etc.
Specifications
Material: | as above |
Diameter: | +0/-0.2mm |
Clear aperture: | >90% |
Thickness: | +/-0.1mm |
Centration: | < 3 arc minutes |
Surface accuracy: | |
- spherical | |
- Aspherical | PV < 1µm |
Surface quality: | 60-40 S/D |
Roughness: | |
Chamfer: | < 0.3mm x 45° |
Coating: | With or w/o AR coating |
Damage threshold: |
We provide aspherical lenses with following IR materials: Si, Ge, ZnSe, ZnS, chalcogenide glass, etc.
Specifications
Material: | as above |
Diameter: | +0/-0.2mm |
Clear aperture: | >90% |
Thickness: | +/-0.1mm |
Centration: | < 3 arc minutes |
Surface accuracy: | |
- spherical | |
- Aspherical | PV < 1µm |
Surface quality: | 60-40 S/D |
Roughness: | |
Chamfer: | < 0.3mm x 45° |
Coating: | With or w/o AR coating |
Damage threshold: |
