基于圆孔的光近场远场衍射实验研究
Physical Experiment of College(2022)
Abstract
分析菲涅尔圆孔衍射的光强分布,搭建菲涅尔和夫琅禾费衍射实验装置,实验验证了圆孔夫琅禾费衍射可以看成圆孔菲涅尔衍射的一个特例.即在光源与衍射物圆孔距离保持不变的前提下,随着衍射物圆孔与观察屏距离的增大,衍射图样由近场衍射过渡到远场衍射.
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