Chalcogenide Glass

Chalcogenide glass features superior refractive index uniformity and stability, making it an ideal optical material for chromatic aberration correction of infrared optical lenses and avoidance of thermal defocus in the range of 2~12 μm. At the same time,

due to its low thermal transition temperature and stable chemical properties, chalcogenide glass can be processed using

precision molding, facilitating large-scale mass production.

Chalcogenide glass is mainly used in monitoring equipment and systems as well as marine/maritime, fire/police, sensors and infrared products. VOT produces high-purity, high-uniformity chalcogenide glass with

various compositions and sizes, including Ge-As-Se, Ge-Sb-Se, and As-Se products. Chalcogenide glass

can be processed using a variety of means to produce flat, spherical, and aspherical products through molding, machining, and polishing.