Theoretical study of nonlinear resonance radiation force exerted on nano-sized objects

机译：施加在纳米物体上的非线性共振辐射力的理论研究

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We theoretically propose laser manipulation utilizing the resonant nonlinear optical response. We calculated the radiation force exerted on a single molecule in a focused laser beam by solving density matrix equations using the non-perturbative method, because the high laser power is necessary for single molecular trapping. As the result, we coherently elucidate certain recently reported puzzling phenomena that contradict the conventional understanding of laser manipulation. Further, we demonstrate unconventional forms of laser manipulation which drastically enhances the number of degrees of freedom to manipulate nano-sized objects. For example, we can "pull" objects by using traveling wave that usually "pushes" them along the direction of traveling wave.

机译：我们从理论上提出利用共振非线性光学响应的激光操纵。我们通过使用非微扰方法求解密度矩阵方程来计算聚焦激光束上单个分子所施加的辐射力，因为单分子捕获需要高激光功率。结果，我们连贯地阐明了某些最近报道的令人困惑的现象，这些现象与对激光操纵的传统理解相矛盾。此外，我们演示了非常规形式的激光操作，它极大地提高了操作纳米级物体的自由度的数量。例如，我们可以通过使用通常沿行波方向“推动”它们的行波来“拉”对象。

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来源
《Optical trapping and optical micromanipulation VIII》|2011年|p.80971A.1-80971A.9|共9页
会议地点 San Diego CA(US)
作者
Tetsuhiro Kudo; Hajime Ishihara;
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作者单位

Department of Physics and Electronics, Osaka Prefecture University, 1-1 Gakuencho Nakaku Sakai, Osaka 599-8531, Japan;

Department of Physics and Electronics, Osaka Prefecture University, 1-1 Gakuencho Nakaku Sakai, Osaka 599-8531, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类光学;
关键词
laser trapping; molecular trapping; resonant nonlinear optical response; nanoparticles;

机译：激光陷波分子陷阱共振非线性光学响应纳米粒子;

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Theoretical study of nonlinear resonance radiation force exerted on nano-sized objects

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