| 分析三角孔光栅的衍射场 |
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| 引用本文： | 刘有菊.分析三角孔光栅的衍射场[J].保山学院学报,2013(5):1-3. |
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| 作者姓名： | 刘有菊 |
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| 作者单位： | 保山学院理工学院,云南保山678000 |
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| 摘 要： | 为了研究三角孔光栅的衍射场,采用波前相因子判断法,得出三角孔衍射场所含基元成份.根据惠更斯-菲涅耳原理,推导出像面上的振幅分布公式及像面上的光强分布公式.并利用数值模拟的方法得出三角孔的衍射图样.结果表明,在验证衍射理论的同时,还拓展了衍射的概念,为深入理解光的衍射提供理论基础.
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| 关 键 词： | 衍射 光栅 波前相因子判断法 惠更斯-菲涅耳原理 三角孔衍射场 |
Analysis of diffraction fields of triangular-pore |
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| Liu Youju.Analysis of diffraction fields of triangular-pore[J].Journal of Baoshan Teachers College,2013(5):1-3. |
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| Authors: | Liu Youju |
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| Institution: | Liu Youju (1.Department of Physics, Baoshan College, Yunnanbaoshan, 678000) |
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| Abstract: | In order to analyze diffraction fields of triangular-pore,Based on the method of wavefron! phase-factors we have analysed out the diffraction and considering of the influence of limited aperture of grating, we have analysed out the diffraction fields by triangular-pore which contain components, According to principle of Huygens-Fresent. Finally the amplitude and the length strenth paramether distribution along axis are obtained. And by using method of numerical simulation of triangular-pore. Results show that the validation of diffraction theory at the same time. Also extend the concept of diffraction. This study may further provide a theoretical foundation to Optical element by combination cosine-grating. |
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| Keywords: | diffraction gratings wavefront phase-factor principle of Huygens-Fresent diffractionfields of triangular-pore |
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