迈克尔逊干涉计算光强matlab,迈克尔逊干涉仪的MATLAB仿真

毕业论文关键词：干涉，迈克尔逊干涉仪，MATLAB，仿真

Abstract：Researching on interference of light waves, we can know the property of interference well, and learn more about the process and substance of interference. It is also of great significance for the analysis of spatial distribution of the optical image of the spectrum. However, the adjustment of Michelson interferometer has certain difficulty, at the same time, it is boring to count manually. Take advantages of computer simulation such as good controllability, no damage, easy to observe and low cost, etc., modern optical experiments can be digitized analogued in order to achieve better results. The computer simulation realization of Michelson interference experiment by using MATLAB software is discussesed in this paper. The simulation in which the experiment results can be showed directly can make the Michelson interference theory and experiment combined well with each other. Therefore it has some value of application.

Keywords: interference ，Michelson interferometer，MATLAB，simulation

1  引言4

2  光的干涉4

2.1  相干条件5

2.2  干涉的实现方法5

2.3  实现干涉的实验装置6

2.4  本章小结6

3  迈克尔逊干涉仪7

3.1  干涉条纹性质7

3.2  等倾干涉8

3.3  等厚干涉9

3.4  本章小结10

4  迈克尔逊干涉仪的MATLAB仿真10

4.1等厚干涉的MATLAB仿真10

4.2等倾干涉的MATLAB仿真11

4.3  本章小结14

结 论15

参考文献16

致  谢17

1  引言

光的干涉现象、衍射现象和偏振现象是光波波动过程的基本特征，是波动光学研究的主要对象。1802年Thomas Young(杨氏)最早用实验的方法研究光的干涉现象，之后菲涅尔等物理学家用波动理论完美地解释和说明了干涉产生的各种细节问题，到19世纪末干涉理论已经得到了很好的完善。1881年Michelson为了研究“以太”是否存在的问题设计并发明了迈克尔逊干涉仪。在迈克尔逊干涉仪中，两束相干光的光程差可以通过反射镜的平移来实现改变，因此可以在迈克尔逊干涉仪的其中一个光路中安置待测物体，从而测量物体的折射率。

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