Fresnel衍射的计算机模拟演示  

Computer Simulation Demonstration of Fresnel Diffraction

作　　者：游开明[1] 刘丹[1] 张登玉[1] 陈列尊[1] 王友文[1] 

机构地区：[1]衡阳师范学院物理与电子信息科学系,湖南衡阳421002

出　　处：《衡阳师范学院学报》2015年第3期15-20,共6页Journal of Hengyang Normal University

摘　　要：基于Huygens-Fresnel衍射积分,利用Hankel变换算法及球面波因子处理方法,在普通PC上使用MFC编程较好地实现了Fresnel衍射的计算机模拟演示。演示中,Fresnel衍射的输入光强剖面分布、输出光强剖面分布和输出光强影射图样分别随光的传输距离和波长及输入光束半腰的改变而变化,光的传输距离和波长及输入光束半腰分别由三个滚动条分别控制。Based on Huygens-Fresnel diffraction integral,applying Hankel transformation algorithm and spherical wave factor method,computer simulation demonstration of Fresnel diffraction can be implemented well in the general PC using MFC pro-gramming.During the demonstration,the sectional plane distribution of input intensity,sectional plane distribution of output intensity,and the diffraction pattern of Fresnel diffraction are changed respectively as the transmission distance and wavelength of light and input beam waist changes.The transmission distance and wavelength of light and input beam waist are controlled by three scroll bars,respectively.

关 键 词：Fresnel衍射 Huygens-Fresnel衍射积分 HANKEL变换 计算机模拟演示 

分 类 号：O432[机械工程—光学工程]