大学物理实验报告-测量单缝衍射的光强分布
深 圳 大 学 实 验 报 告
课 程 名 称：
实 验 名 称：
学 院： 物理科学与技术
专 业：
指 导 教 师：
报告人：学号：
实 验 时 间：
实验报告提交时间：
1、实验目的
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2、实验原理
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4、试验内容与步骤
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5、数据记录
本底读数（出读数）：_________________
表三
6、数据处理
根据表一描绘出单缝衍射的相对光强分布图。
根据表二计算出狭缝宽。
表三对比测量结果，求出相对误差。
7、思考题
（1）当缝宽增加一倍时，衍射花样的光强和条纹宽度将会怎样样改变？如果缝宽减半，又怎样改变？
（2）激光输出的光强如有变动，对单缝衍射图像和光强分布曲线有无影响？有何影响？
（3）本实验中的方法是否可测量细丝直径？其原理和方法如何？
（4）本实验中，632.8nm，缝宽约为5103cm，屏距L约为50cm，试验证是否满足夫琅和费衍射条件