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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([email protected])

3

Irregularity([email protected])

0.5

Centration

<3 arc minutes

Focal Length Tolerance

±2%

Clear Aperture

>90%

Chamfer

Protective <0.5mmx45deg

Coating

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