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Rotation of nanowires with radially higher-order Laguerre-Gaussian beams produced by computer-generated holograms

机译:由计算机生成的全息图产生的具有径向高阶Laguerre-Gaussian光束的纳米线的旋转

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摘要

In this paper, the influence of radially higher index p of Laguerre-Gaussian (LG) beams on the rotation of nanowires is studied. Radially higher-order LG beams are produced by computer-generated holograms, which are displayed on a spatial light modulator. A series of experiments on manipulating ZnO nanowires was performed on our holographic optical tweezers platform. The experiments demonstrated that radially higher-order LG beams could effectively rotate nanowires along the innermost bright ring of themselves. Compared with radially low-order LG beams, they have larger torques exerted on nanowires and can make nanowires rotate more quickly.
机译:本文研究了拉格高斯光束的径向较高折射率p对纳米线旋转的影响。径向高阶LG光束由计算机生成的全息图产生,并显示在空间光调制器上。在我们的全息光镊平台上进行了一系列操纵ZnO纳米线的实验。实验表明,径向高阶LG射线可以有效地使纳米线沿着其最内层的亮环旋转。与径向低阶LG光束相比,它们具有更大的扭矩施加在纳米线上,并且可以使纳米线旋转得更快。

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