| 计算机制二维全息图的研究 |
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| 引用本文： | 杨上供,甘亮勤,张继艳,林海峰.计算机制二维全息图的研究[J].厦门理工学院学报,2008,16(3):57-60. |
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| 作者姓名： | 杨上供 甘亮勤 张继艳 林海峰 |
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| 作者单位： | 厦门理工学院数理系,福建,厦门,361024 |
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| 基金项目： | 厦门市科技计划指导性项目 |
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| 摘 要： | 结合二维平面图像的特点，提出了用快速傅里叶变换制作菲涅耳计算全息图的快速算法：将菲涅耳衍射光波表示成傅里叶变换的形式，编写计算程序，用快速傅里叶变换进行计算；并研究了傅里叶变换算法中衍射场的取样间隔与计算全息系统取样间隔的关系，给出了理论分析与实验结果．
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| 关 键 词： | 计算全息 傅里叶变换 空间频率 取样间隔 |
Research of Two Dimensional Computer-generated Holography |
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| YANG Shang-gong,GAN Liang-qin,ZHANG Ji-yan,LIN Hai-feng.Research of Two Dimensional Computer-generated Holography[J].Journal of Xiamen University of Technology,2008,16(3):57-60. |
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| Authors: | YANG Shang-gong GAN Liang-qin ZHANG Ji-yan LIN Hai-feng |
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| Institution: | ( Department of Mathematics ＆ Physics, Xiamen University of Technology, Xiamen 361024, China) |
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| Abstract: | Based on the feature of two dimensional image,a new algorithm of Fresnel computer-generated hologram(CGH) is proposed.Firstly,the object beam of Fresnel diffraction is formulated with fast-Fourier-transform,then,the computing program is compiled,the computer-generated Fresnel hologram is calculated by computer using Fast-Fourier-transform,and the sample period of computer generated hologram is researched.The principle and experiment of the technique are given.. |
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| Keywords: | computer generated hologram Fourier transform spatial frequency sampling period |
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