The CVD single crystal diamond optical sheet produced by our company has excellent optical properties, mechanical properties and physical and chemical properties, low absorption characteristics in ultraviolet, visible and infrared bands, and can work reliably under increasing power and higher power density. CVD single crystal diamond optical sheet is suitable for the preparation of high-power laser emission window and laser crystal, high-power ultraviolet/infrared optical instrument lens, need to work in harsh environment sensors, detectors, CO2/ solid high-power optical device, surface processing, TH imaging, radar light window, biomedical, beam splitter, YAG cooling, particle detection, ultra-high pressure system Light window, etc.