| 小圆孔的正负焦距与小孔眼镜 |
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| 引用本文： | 关智武. 小圆孔的正负焦距与小孔眼镜[J]. 大学物理, 1999, 18(6): 25-26 |
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| 作者姓名： | 关智武 |
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| 作者单位： | 郑州工业大学数理系,郑州,450002 |
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| 摘 要： | 提出了证明小圆孔具有正，负焦距的一种方法，简要地介绍子关于小孔眼镜的实验研究。
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| 关 键 词： | 圆孔衍射 焦距 小孔眼镜 |
POSITIVE OR MINUS FOCAL DISTANCES OF SMALL CIRCULAR APERTURE'S AND SMALL APERTURE GLASSES |
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| Guan Zhiwu. POSITIVE OR MINUS FOCAL DISTANCES OF SMALL CIRCULAR APERTURE'S AND SMALL APERTURE GLASSES[J]. College Physics, 1999, 18(6): 25-26 |
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| Authors: | Guan Zhiwu |
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| Abstract: | It is proved that a small circular aperture has the positive and minus focal distances,and the research experiments for small aperture glasses are introduced concisely. |
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| Keywords: | circular aperture diffraction focal distance small aperture glasses |
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