| 与菲涅耳数有关的高斯光束的轴上相对光强分布 |
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| 引用本文： | 刘华,胡渝,刘盛纲. 与菲涅耳数有关的高斯光束的轴上相对光强分布[J]. 电子科技大学学报(社会科学版), 1999, 0(2) |
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| 作者姓名： | 刘华 胡渝 刘盛纲 |
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| 作者单位： | 成都电子科技大学应用物理所!610054 |
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| 摘 要： | 在考虑像差的情况下，得到了与菲涅耳数聚焦激光光学系统的衍射积分公式，并推出了轴上相对光强分布的普遍近似公式，在此基础上得到了初级球差系统的轴上相对光强分布公式，并在不考虑像差因素和截取效应时，对得到的公式进行了简化，所得结果与以前的结论吻合得较好。
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| 关 键 词： | 高斯光束 激光光学系统 菲涅耳数 轴上相对光强 |
On-axis Relative Density for Fresnel Number Related to Aberrant Laser Beam |
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| Liu Hua, Hu Yu, Liu Shenggang. On-axis Relative Density for Fresnel Number Related to Aberrant Laser Beam[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 1999, 0(2) |
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| Authors: | Liu Hua Hu Yu Liu Shenggang |
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| Abstract: | The diffraction integral of small Fresnel number focusing laser system is obtained in the presence of aberration.The general approximate formula for the on-axis relative density distribution is also derived,as well as the on-axis relative density distribution formula for a spherical aberration laser system.In the conditions of aberration-free and non-truncation,the formulae can be simplified which fit wei] with the results obtained by former researchers. |
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| Keywords: | Gaussian beam laser system Fresnel number on-axis relative density |
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