Diode lasers gets a large variety of wavelengths, also getting superior features of simple structure, compact size, long lifetime, easy modulation, which is widely used in military fields, such as laser-guided tracking, laser radar, laser fuze, laser ranging, laser communication power, laser simulation weapons, laser aiming warning, laser gyroscope etc. Currently, developed countries are attaching great attention to the development and application of high power diode laser systems in military fields.