Profile: II-VI Incorporated is a manufacturer of laser-optic materials, optics, components, electro-optical products and radiation detection devices. Our laser optics and components are focusing lenses, focusing mirrors, bend mirrors, collimators, reflective phase retarders, rear mirrors, output couplers, and output windows. Our replacement laser optics are made from zinc selenide, as well as copper, gallium arsenide, germanium, molybdenum and silicon. Our copper total reflector reflective and transmissive collimating optics are used in beam delivery systems to maintain beam collimation between the laser resonator and the focusing optics.