ZnSe Lens
ZnSe is transparent from 0.5 micron to 19 micron. It is mainly used in CO2-laser application for its excellent imaging characteristics and high resistance to thermal shock.
Specifications
|
Material |
CVD ZnSe |
|
Dimension Tolerance |
+0/-0.1mm |
|
Thickness Tolerance |
±0.2mm |
|
Surface Quality |
60/40 or better |
|
Power(fringe@633nm) |
3 |
|
Irregularity(fringe@633nm) |
0.5 |
|
Centration |
<3 arc minutes |
|
Focal Length Tolerance |
±2% |
|
Clear Aperture |
>90% |
|
Chamfer |
Protective <0.5mmx45deg |
|
Coating |
Request |
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