ZnS Window
Zinc Sulphide (ZnS) is used for manufacturing of infrared IR optics: ZnS windows, ZnS polished domes and ZnS lenses in spectral range (0.4 - 13.5) microns where maximum transmission and lowest absorption is required, and also selected for use where visible alignment is an advantage.

Material:                        ZnS

Diameter Tolerance:     +0.0/-0.02mm

Thickness Tolerance:    ± 0.01mm

Surface Accuracy:        λ/4 @632.8nm

Surface Quality:           60-40

Clear Aperture:            > 90%

Bevel:                          0.2mm×45°

Coating:                      user-defined