Germanium monocrystal is the most commonly used and widely used infrared optical material in the world.Among them, the infrared germanium lens contains different amounts of germanium lenses according to different USES.Military infrared germanium lenses have higher requirements on precision and process, and generally contain 6 to 10 pieces of germanium lenses, while civilian infrared germanium lenses have relatively low technical requirements, and generally contain 2 to 3 pieces of germanium lenses.Germanium Windows are commonly used in military equipment.
The military field is the largest market for the application of germanium wafers for infrared optics.In recent years, the infrared thermal imaging technology has been widely used in weapon equipment, becomes in the modern high technology of conventional weapon equipment indispensable important part, is mainly used in surveillance, reconnaissance, air defense, patrol at night and navigation and landing of aircraft reconnaissance, rescue, empty, thus promote the demand for infrared germanium lens and the lens.In 2009, the market size of military infrared germanium lenses and lenses was about 800,000 sets and 6.4 million pieces.