手机和Matlab相结合测量牛顿环的曲率半径  

Measuring the radius of curvature of Newton ring by combining mobile phone and Matlab

作　　者：张晓旭[1] 吴天安[1] 李达 ZHANG Xiao-xu;WU Tian-an;LI Da(College of Science,Information Engineering University, Zhengzhou 450001, China;Academy of Basic Education for Commanding Officers,Information Engineering University, Zhengzhou 450001, China)

机构地区：[1]信息工程大学理学院,河南郑州450001 [2]信息工程大学指挥军官基础教育学院,河南郑州450001

出　　处：《物理实验》2018年第3期18-20,共3页Physics Experimentation

基　　金：河南省重点科技攻关项目(No.152102210012)

摘　　要：介绍了牛顿环曲率半径数据采集与处理的方法.该方法利用手机拍摄牛顿环干涉图像,使用Matlab对图像进行处理,利用视场直径计算出像素和实际物理距离的对应关系,进而完成对牛顿环曲率半径的测量.A method for data acquisition and processing of curvature radius of Newton ring was introduced.This method used mobile phone to take Newton ring interference image,used Matlab to process the image,skillfully used the field of view diameter to calculate the corresponding relationship between the pixel and the actual physical distance,and then the radius of curvature of Newton ring was obtained.

关 键 词：牛顿环 曲率半径 手机 视场直径 

分 类 号：O436.1[机械工程—光学工程]