
Calcium Fluoride crystal shows good optical and thermo-mechanical properties, can be used for optica

Barium fluoride crystal shows good optical transmittance over wide spectrum range, from 150nm to 12.

ZnSe is used for optical windows, lenses, mirrors, prisms and optical blanks, plates, disks, sheets,

Sapphire is of high mechanical strength, temperature stability, wear resistance and chemical inertne

Ge Windows are applied to isolate different physical environments while allowing light to pass throu

Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an

Zinc Sulphide (ZnS) is used for manufacturing of infrared IR optics: ZnS windows, ZnS polished domes