II-VI Incorporated develops and manufactures engineered materials, optoelectronic components and products. The Company has three segments: II-VI Laser Solutions, II-VI Photonics and II-VI Performance Products. The II-VI Laser Solutions segment designs, manufactures and markets optical and electro-optical components and materials sold under the II-VI Infrared brand name and used in carbon dioxide (CO2) lasers, fiber-delivered beam delivery systems and processing tools and direct diode lasers for industrial lasers sold under the II-VI HIGHYAG and II-VI Laser Enterprise brand names. The II-VI Photonics segment manufactures crystal materials, optics, microchip lasers and opto-electronic modules for use in optical communication networks and other consumer and commercial applications. The II-VI Performance Products segment designs, manufactures and markets infrared optical components and high-precision optical assemblies for military, medical and commercial laser imaging applications.