Research and development of optical transparent materials in mid-infrared band
Infrared technology has become an important direction in the development of modern optical technology.Infrared transmission materials are important materials for optical components such as lenses,prisms,windows,filters,and fairings in infrared optical systems.According to the transmission band of materials,they can be divided into medium wave infrared transmission materials and long wave infrared transmission materials.Among them,sapphire,spinel,AlON,and oxide infrared glass are currently more mature commercial medium wave infrared transmission optical materials.This paper summarizes the main properties,preparation techniques,existing problems,and development trends of the aforementioned types of infrared optical materials.
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