Fiber Laser Protective Window polycarbonate PC panels' total thickness is only 5mm, they lightweight, and high strength, which has an OD4+, are specially designed for Nd: YAG solid-state lasers, semiconductor lasers, fiber lasers, etc, and can achieve safety protection for single wavelength 1064nm, frequency doubling 808/1064nm and triple frequency 405/808/1064nm; Fiber Laser Protective Window is widely used in the Laser industry, aluminum battery manufacturing, robot manufacturing, automobile manufacturing, laser cutting machine/welding machine, laser military exercises, laser surgery medical, copier operation and other fields.