基于Mathematica改进双棱镜干涉实验  

Improving biprism interference experiment based on Mathematica program

作　　者：陈华[1] 李艳[1] 渠立成[1] 龚洋贞 

机构地区：[1]中国矿业大学理学院,江苏徐州221116

出　　处：《物理实验》2015年第8期25-27,32,共4页Physics Experimentation

摘　　要：针对双棱镜干涉实验中条纹间距不易测量,提出了改进方法,即用Mathematica软件绘制出光强分布图,算出条纹间距.实验结果表明,该方法提高了测量光波波长的精确度,有利于学生对干涉和衍射现象的本质的理解.Aiming at the difficulties of obtaining the fringe spacing in the biprism interference ex- periment, an improved measurement method was put forward. The figure of intensity distribution was drawn using Mathematica and the fringe spacing was calculated. The results showed that the wave- length could be obtained with higher precision compared to traditional measurement methods. This method could help students to understand the nature of interference and diffraction.

关 键 词：双棱镜干涉 条纹间距 波长 光强分布 MATHEMATICA软件 

分 类 号：O436.1[机械工程—光学工程] O439[理学—光学]