Abstract
When pass through the solid, the optical interact with the electronic , Exciton, impurities and lattice defects, vibration exist in the solid. So its strength will be reduced more or less. This is the microscopic mechanism of optical absorption. Absorption of light by solids can be directly related to the acquisition of solid state electronics, Energy level structure and excited states of other information, is an important parameter to study the nature of Solid. In this paper, By analyzing the optical constants of optical materials and their relationship, the intrinsic absorption of semiconductor materials and magnetic, and ion cyclotron resonance absorption of the long lens features optical wave infrared absorption to study the process of light absorption in solids and its characteristics, And specific analysis of the actual product..