An optical coating is one or more thin film materials applied to an optical component such as a lens or mirror to create an interference effect used to enhance the transmission or reflection characteristics of the component. The performance of an optical coating depends on the number of layers, the thickness of each layer, and the difference in reference index at the layer interfaces. We offer a wide range of optical coating materials for use as anti-reflection (AR) coatings, high-reflection (mirror) coatings, filter coatings, transparent conductive coatings, etc.