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1·A method of determining the incident angles distribution on dichroic mirror is presented, according to the theoretic analysis of working condition of dichroic mirror in optical engine.

本文通过对二向分色镜在投影光路中工作状态的模拟和分析，提出了一种计算分色镜上光束入射角分布的计算方法并推导了相应的表达式。