| 光学变换中的离散取样方法 |
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| 引用本文： | 陈岩松,郑师海,王玉堂,董碧珍. 光学变换中的离散取样方法[J]. 物理学报, 1986, 35(10): 1390-1394 |
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| 作者姓名： | 陈岩松 郑师海 王玉堂 董碧珍 |
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| 作者单位： | 中国科学院物理研究所 |
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| 摘 要： | 本文研究了光学变换中的离散取样问题。基于幺正变换的考虑,求得了光学变换中离散取样方法所依据的条件。导出了包含取样单元透光孔作用的光传播矩阵。最后,以自然序Walsh变换为例,具体计算了变换所需全息透镜的振幅与相位分布及相应的误差。关键词：
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| 收稿时间： | 1986-01-18 |
A DISCRETE SAMPLING METHOD IN OPTICAL TRANSFORMATION |
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| Chen Yan-song,Zheng Shi-hai,Wang Yu-tang and Dong Bi-zhen. A DISCRETE SAMPLING METHOD IN OPTICAL TRANSFORMATION[J]. Acta Physica Sinica, 1986, 35(10): 1390-1394 |
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| Authors: | Chen Yan-song Zheng Shi-hai Wang Yu-tang Dong Bi-zhen |
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| Abstract: | A discrete sampling method in optical transformation has been suggested in this article. Based on the consideration of unitary transformation, that is important for opcical transformation, conditions of sampling an optical system are obtained. The expression of propagation matrix including the effect caused by the width of sampling window is derived. As an example, the distributions of holographic amplitude and phase calculated by designing a given Walsh transformation are given. |
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