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| 复合金属粒子散射强度分布的计算与分析 | |
| 引用本文： | 徐庆君,张士英,薛冬,韦德泉,田贵才,陈庄明. 复合金属粒子散射强度分布的计算与分析[J]. 原子与分子物理学报, 2012, 29(6): 549-553 |
| 作者姓名： | 徐庆君 张士英 薛冬 韦德泉 田贵才 陈庄明 |
| 作者单位： | 山东省枣庄学院光电工程学院,山东省枣庄学院光电工程学院 |
| 基金项目： | 山东省优秀中青年科学家科研奖励基金项目(2008BS01021);枣庄市科技攻关计划项目(201031-2); 2008年枣庄学院科技计划项目 |
| 摘 要： | 根据Mie散射理论，对金银复合粒子的散射强度和偏振度进行了数值计算与理论分析，得到了散射强度、偏振度与散射角、入射波长及核壳大小之间的关系。结果表明，入射波长越大，前向散射越强，易出现线偏振光；而核壳半径越大，背向散射越弱，易出现退偏振现象。该结论对金银复合材料光学特性方面的开发和应用提供理论参考。 |
| 关 键 词： | Mie散射；散射强度；偏振度；金银复合粒子 |
| 修稿时间： | 2011-07-07 |
Calculation and analysis on the scattering intensity distribution of composite metal particles |
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| Xu Qing-Jun and. Calculation and analysis on the scattering intensity distribution of composite metal particles[J]. Journal of Atomic and Molecular Physics, 2012, 29(6): 549-553 | |
| Authors: | Xu Qing-Jun and |
| Affiliation: | college of opto-electronic engineering, zaozhuang univeristy,college of opto-electronic engineering, zaozhuang univeristy |
| Abstract: | Based on the Mie scattering theory, the light scattering intensity and polarization of gold and silver composite particles were numerically calculated and theoretically analyzed. The relationships between scattering intensity, polarization and scattering angle, incident wavelength, the size of the shell were also obtained. The research results show that the longer incidence wavelength is, the stronger forward scattering intensity is, and line polarized light easily appear; The greater the radius of core and shell, the weaker backward scattering intensity is, and the depolarization phenomenon easily appear. These results can provide theoretical reference for the development and application of gold and silver composite particles at the aspect of optical property. |
| Keywords: | Mie scattering Scattering intensity Polarization Gold and silver composite particles |
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