Multispectral Zinc Sulfide Spherical lens

CVD Zinc Sulfide(CLEARTRAN) is the low cost alternative for infrared windows, domes and optical elements.

With a fracture strength double that of Zinc Selenide(ZnSe) and high hardness, Multispectral Zinc sulfide(ZnS) has been used successfully in many military applications requiring mechanical resistance to hostile environments.
ZnS(CLEARTRAN) is a form of CVD Zinc Sulfide material that is modified by a post-deposition hot isostatic process. This process removes zinc hydrides from the crystal lattice, normalizes crystal structure and purifies the material, all contributing to single crystal-like transmittance in the visible through far infrared ranges (0.35 -14 microns). 
With its low absorption and scatter throughout its broad transmitting range and high optical quality, it is particularly well-suited for multi-spectral applications that require a single aperture for beam path for several wavebands.
CVD Zinc Sulfide and Cleartran are chemically inert, non-hygroscopic, highly pure, theoretically dense and easily machined. 
Custom diameters, rectangles, CNC-profiled blanks, generated lens blanks, prisms and near-net shape domes can be made to your specifications.     

Physicochemical property：

Optical property：

Transmittance Curve: