| 关于由衍射片的背面反射光形成的衍射图样的讨论 |
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| 引用本文： | 闫亚奇.关于由衍射片的背面反射光形成的衍射图样的讨论[J].物理与工程,2006,16(3):35-36. |
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| 作者姓名： | 闫亚奇 |
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| 作者单位： | 武警广州指挥学院数理教研室,广东,广州,510440 |
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| 摘 要： | 在光的衍射实验中,我们看到的一般是由通过衍射片的直射光形成的衍射图样,但在衍射片的另一面,同样存在着另一个衍射图样,它是由衍射片的背面反射光形成的,两个衍射图样关于衍射片对称.本文给出了这种实验现象,并用巴比涅原理解释了这种现象.
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| 关 键 词： | 光的衍射 衍射片 背面反射光 衍射图样 对称 巴比涅原理 |
| 收稿时间： | 2005-12-26 |
DIFFRACTION PATTERN FORMED FROM THE LIGHT REFLECTED BY THE BACK OF DIFFRACTION SCREEN |
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| Yan Yaqi.DIFFRACTION PATTERN FORMED FROM THE LIGHT REFLECTED BY THE BACK OF DIFFRACTION SCREEN[J].Physics and Engineering,2006,16(3):35-36. |
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| Authors: | Yan Yaqi |
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| Institution: | Department of Mathematics and Physics, Guangzhou Commanding Academy of CAPF, Guangzhou, Guangdong 510440 |
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| Abstract: | In the experiment of diffraction of light, the diffraction pattern formed by the point-blank can be observed. However, on the other side of the diffraction screen, another diffraction pattern is also formed by the light reflected by the back of the diffraction screen. The two diffraction patterns are symmetrical to the diffraction screen. The experimental phenomena are presented, and explained by the Babinet principle. |
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| Keywords: | diffraction of light diffraction screen back reflected light diffraction pattern symmetry Babinet principle |
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