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Second harmonic generation of centrosymmetric nano- spheres excited by tightly-focused doughnut beams
  • ISSN号：1673-1905
  • 期刊名称：《光电子快报：英文版》
  • 时间：0
  • 分类：O484.41[理学—固体物理;理学—物理] O175.12[理学—数学;理学—基础数学]
  • 作者机构：[1]Key Laboratory of Optical Information Science and Technology, Ministry of Education, Institute of Modern Optics, Nankai University, Tianjin 300071, China
  • 相关基金：This work has been supported by the National High Technology Research and Development Program of China （No.2011AA010205）, the National Natural Science Foundation of China （Nos. 10704043 and 61171027）, the Key Program of the Applied Basic Research of Tianjin （No. 10JCZDJC 15200）, and the Specialized Research Fund for the Doctoral Program of Higher Education of China （No.20090031110033）.
作者： 霍丙忠[1], 王湘晖[1], 常胜江[1]
关键词： 二次谐波产生, 中心对称, 纳米球, 兴奋, 圈梁, 密集, 矢量衍射理论, 二次谐波辐射, Harmonic generation, Nanospheres, Nonlinear optics
中文摘要：

用向量衍射理论和现象学的模型，这份报纸调查集中的油炸圈饼横梁(DB ) 与不同拓扑的费用激动的单个中心对称的 nanosphere 的第二泛音代(SHG ) 。当粒子旁边是激动的时，强壮的向后的 SHG (BSHG ) 出现的结果表演与拓扑的费用集中了 DB ???????????????? ￡吗？

英文摘要：

Using the vector diffraction theory and the phenomenological model, this paper investigates the second harmonic tion （SHG） of a single centrosymmetric nanosphere excited by focused doughnut beams （DBs） with different topological charges. The results show that strong backward SHG （BSHG） appears when the particle is excited by focused DBs with topological charges of ±1. The backward second harmonic radiation can be caused by the depolarized effect of high numerical aperture （NA） objectives due to the strong longitudinal components.

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期刊信息
  • 《光电子快报：英文版》
  • 主管单位:
  • 主办单位:天津理工大学
  • 主编：巴恩旭
  • 地址：天津市西青区宾水西道391号
  • 邮编：300384
  • 邮箱：Oelett@yahoo.com.cn
  • 电话：022-23679707 23657134
  • 国际标准刊号：ISSN：1673-1905
  • 国内统一刊号：ISSN：12-1370/TN
  • 邮发代号:6-198
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国工程索引,英国科学文摘数据库
  • 被引量:147