II-VI Incorporated designs, manufactures and markets optical and opto-electronic components, devices and materials for infrared, near-infrared, visible light, x-ray and gamma ray instrumentation. The Company''s infrared optics business manufactures optical and opto-electronic components sold under the II-VI brand name and used primarily in CO2 lasers. The Company''s near-infrared optics business manufactures near-infrared & visible light products for industrial, scientific, military & medical instruments and laser gain materials and products for solid-state YAG and YLF lasers at the Company''s VLOC subsidiary. The Company''s military infrared optics business manufactures infrared products for military applications under the Exotic Electro-Optics brand name.