Abstract : a improved method using simple instrument to expand gaussian distribution light field and get large - range homogeneous ideal light field was presented . an optical setup used to expand gaussian distribution light field was designed to improve the utilization ratio of light energy and satisfactory experimental results ware obtained 文摘:提出采用简单器件,将高斯分布光场经再扩展,获得大范围均匀的理想光场的方法;设计了对高斯分布光场再扩展光路,并提高散射光场光能的利用率,取得良好的实验效果。