文档介绍：等厚干涉实验拓展研究+文献综述
摘要等厚干涉实验是大学物理实验中一个基本实验。当平行光以固定角度照射到厚度不均匀的薄膜上时,相同厚度处薄膜前后表面反射光的光程差相同,形成一条亮(暗)干涉条纹,这种同一干涉条纹下对应相同薄膜厚度的干涉称为等厚干涉。因为等厚干涉条纹反映了两个表面夹成的薄层的厚度变化情况,所以在精密测量和光学零件加工中,常利用等厚条纹的条纹形状、条纹数目、条纹移动,以及条纹间距等特征,检验零件表面质量局部误差(表面粗超度),测量微小角度、长度及变化等。有效掌握等厚干涉原理及其实验流程显得非常必要,根据等厚干涉原理,本论文进行了测量曲率半径,细丝直径,折射率,光波波长的实验,包括实验原理,步骤,装置,同时对实验结果的数据所产生的误差原因进行分析,进而对其实验提出改进。9404
关键词等厚干涉牛顿环劈尖
毕业设计说明书(论文)外文摘要
Title Development research on the experiment of equal thickness interference
Abstract
Equal thickness interference experiment is a basic experiment in college physics experiments. When the parallel light with fixed angle irradiated to the uneven thickness film, the optical path difference reflected from the surface of the same thickness film is the same, forming a bright (dark) interference fringe, this interference with same interference fringes corresponding to the same thickness is called equal thickness interference. Because interference fringes can reflect the changes of the thickness of the thin layer placed into two surfaces, so in the process of the precise measurement and optical parts, characteristics of equal thickness fringes, such as shape, number, mobility, space, are usually used to test the surface quality of local error(surface roughness salvation),measure small angle, length and changes. It's very necessary to master the principle of equal thickness interference and the experim