CO2 Laser Consumables: OEM-spec optics, nozzles, and accessories From rear mirrors to focusing lenses, and every optic in between, II-VI Infrared offers replacement laser optics and components, including focusing lenses and focusing (parabolic) mirrors, bend mirrors, collimators, reflective phase retarders, rear mirrors, output couplers, and output windows. Our replacement laser optics are made from II-VI’s own zinc selenide (ZnSe), as well as copper (Cu), gallium arsenide (GaAs), germanium (Ge), molybdenum (Mo), and silicon (Si). II-VI Infrared’s world-class thin-film coatings are applied to enhance optical properties, while our quality assurance program includes comprehensive testing, documentation, and statistical analysis to ensure that each optic and component performs to customer requirements. For additional information, contact a II-VI Infrared sales and support representative. In addition to optics and optical components, we also offer a comprehensive line of over 750 replacement laser nozzles and accessories, all in stock and built to major OEM specifications. For more information on our replacement nozzles and accessories, including downloadable product catalogs, see our Nozzles & Accessories..