离轴二反激光扩束系统的设计和数学建模

摘要

A mathematical modeling method of an off-axis double-reflection laser beam expander is described. At the condition of input a few special parameters, all the parameters on the main operation panel of the beam ex-pander are calculated. With the calculation software such as MATLAB and EXCEL, the initial structure of all the operation panels of the beam expander is obtained easily. We can judge directly with the method whether the initial structure accords with the requirements of system assembling and debugging or not. It has the characteristics of con-venience method and fast speed calculation.%描述了一种离轴二反式激光扩束系统的数学建模方法。该方法可以在输入少数特定参数的情况下，解算出整个扩束系统主工作面的各项参数。在MATLAB、EXCEL等具有计算功能软件的辅助下，可以较方便地得到整个扩束系统工作面的初始结构。而且该方法还可以直接判断出初始结构是否符合系统装调需求。具有方法简便、计算快捷等特点。