光学实验教学中引入数字全息实验的探讨  

Investigation on introducing digital holography into optical experimental teaching

作　　者：王大勇[1] 崔华坤[1] 王云新[1] 万玉红[1] 江竹青[1] 陶世荃 

机构地区：[1]北京工业大学应用数理学院,北京100124

出　　处：《大学物理》2010年第4期52-54,65,共4页College Physics

基　　金：北京市市属市管高校人才强教计划资助项目;北京市教委科技计划重点项目(KZ200910005001)资助

摘　　要：数字全息技术是一项新型的成像及测量技术,它融合了计算机技术、数字图像处理技术和传统光学全息的特点,具有非常广阔的应用前景,是科学前沿中较为活跃的研究领域.将数字全息实验引入到光学实验教学中,可以使学生掌握CCD图像采集设备及其他光电子器件的使用方法,提高综合实践能力,更能形象地理解光波场传播规律.并且通过将较为抽象的菲涅耳衍射理论、全息图原理、抽样定理及离散傅里叶变换等应用到实验之中,能够进一步激发学生的学习兴趣,加深对理论知识的掌握.Digital holography is a novel technique of optical imaging and measuring, which compromises the merits of computer technology, digital image processing and traditional optical holography. There are many potential applications for digital holography which is the active research field. It is proposed to introduce the digital holography into optical experimental teaching for the undergraduate students so that the students can learn to operate the equipments like CCD and other optoelectronic devices. Also, in this way they ean understand better the physical insight about the diffraction propagation of light waves. In addition, by applying those abstract theories during the experiments, such as the Fresnel diffraction theory, the principle of holograms, the sampling theorem and the discrete Fourier transform, the learning interest of the students will be aroused and their practical capability will be enhanced.

关 键 词：数字全息 实验教学 菲涅耳全息图 数值再现 

分 类 号：O438.1[机械工程—光学工程]