II-VI Incorporated (II-VI), develops, refines, manufactures and markets high-technology materials and derivative precision components and products for precision use in industrial, military, telecommunications, photovoltaic, medical and aerospace applications. Its products are supplied to manufacturers and users in a range of markets, including industrial, military, telecommunications, photovoltaic and medical. II-VI focuses on providing components to its customers� assembly lines for products, such as high-power laser material processing systems, military fire control and missile guidance devices, fiber optics and wireless communication systems, photovoltaic systems, medical diagnostic systems and industrial, commercial and consumer thermal management systems. II-VI consists of four segments: Infrared Optics, Near Infrared Optics, Military and Materials, and Advanced Products Group. In January 2013, its subsidiaries Aegis Lightwave and Photop Technologies were merged.