This report proposes an athermalization and achromatization method based on combined glasses and comprehensive distance weight to select and replace optical and housing tube materials quantitatively without multiple iterations. In addition, it presents a new achromatic and athermal condition of the replacement search method using combined glasses. It establishes an athermal glass map model combining the cluster center, tube materials, two combined lenses, and a rest equivalent lens to analyze the characteristics of the glass distribution. A cluster analysis method was introduced to analyze the distribution characteristics of the athermal glass map in the visible catalog. The athermal ability of the housing tube and the replacement of combined glass material are evaluated by distance weight in athermal glass map. A complex aerial multiple lenses system was designed using this method and maintained high imaging quality from -40 °C to 70 °C. This method can reduce the number of iterations for the selection of combined glass and significantly improves the optimization efficiency of athermalization.
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