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分立双谱线的杨氏双缝干涉的计算机仿真
引用本文:王立明.分立双谱线的杨氏双缝干涉的计算机仿真[J].光电技术应用,2007,22(4):68-72,84.
作者姓名:王立明
作者单位:廊坊师范学院物理系,河北,廊坊,065000
基金项目:廊坊师范学院校科研和教改项目
摘    要:以分立双谱线的杨氏双缝干涉为研究对象,利用matlab软件对其实验现象进行数值仿真,研究了分立双谱线的线型和线宽对干涉条纹的可见度和强度分布的影响.发现分立双高斯形谱线比双矩形谱线更接近无限窄双谱线的干涉结果,谱线宽度越小,双高斯形或双矩形谱线的干涉图样越接近无限窄双谱线的干涉图样,即谱线宽度越小,谱线线型对干涉条纹的影响越小.

关 键 词:计算机仿真  分立双谱线  可见度  光强分布  干涉图样
文章编号:1673-1255(2007)04-0068-05
收稿时间:2007-06-25
修稿时间:2007-06-25

Computer Simulation of Young Experiment of Discrete Double-lined Spectrum
WANG Li-ming.Computer Simulation of Young Experiment of Discrete Double-lined Spectrum[J].Electro-Optic Technology Application,2007,22(4):68-72,84.
Authors:WANG Li-ming
Affiliation:Department of physics, Langfang Teachers College, Langfang 065000, China
Abstract:Young experiment of discrete double-lined spectrum is simulated by the way of Matlab in order to study how the type or width affects interference pattern. The results of simulation show that interference patterns of discrete double-gaussed spectrum are closer to that of absolute narrow discrete double-lined spectrum than that of double-rectangular spectrum. The width of spectrum is less, the interference pattern of discrete double-gaussed spectrum or double-rectangled spectrum is closer to that of absolute narrow discrete double-lined spectrum, i.e. , the width of spectrum is less, the influence of linetype on interference pattern is fainter.
Keywords:computer simulation  discrete double-lined spectrum  Visibility  intensity distribution of light  interference pattern
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