Currently, most of the IR elements made of the materials such as Germanium, Zinc selenide/sulphide for chromatic aberration correction and athermalization purpose are processed with diamond machine.

• 当前，主要用于色差校正和无热化目的采用锗和硒化锌、硫化锌等材料制造的红外衍射光学元件大多为单点金刚石车削加工而成。