【摘要】 本文以杨氏实验为例，力图用通俗易懂的语言和分析方法来阐明光源的非单色性和光源的宽度对干涉条纹的影响，以及光场的时问相干性和空间相干性这两个重要概念。更多还原

【Abstract】 In this paper the analysis of young’s experiment is given. The language and analytic method easy to understand are used to describe the relation between the inter f erence fringe and the width and monochromaticity of light source. The spatial coherence and time coherence in the light field are described also.更多还原