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Drying-mediated optical assembly of silica spheres in a symmetrical metallic waveguide structure

机译:在对称金属波导结构中干燥介导的二氧化硅球的光学组件

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摘要

We describe the optical trapping application of a simple metallic slab optical waveguide structure, and demonstrate the influence of the excited guided modes on the aggregation behavior of silica particles during the irreversible evaporation process. Periodic horizontal stripes are formed by the highly ordered assemblies of the silica spheres, which is explained via the interference effect between the forward propagating modes and its reflection at the solvent surface. Particularly, several layers consisting of high-density particles are discernible in the stripe zones due to the optical binding, while no particles locate between these stripes. Completely different from the self-assembly patterns in the evaporating solvent without excitation of optical modes, this Letter demonstrates the versatility in the possible patterns of the optical assembly by a coupling waveguide with more complex structures. (C) 2017 Optical Society of America
机译:我们描述了简单的金属板光波导结构的光学诱捕应用,并证明了激发的引导模式对不可逆蒸发过程中二氧化硅颗粒的聚集行为的影响。 周期性水平条纹由二氧化硅球的高度有序的组件形成,这通过前向传播模式与其在溶剂表面的反射之间的干扰效应来解释。 特别地,由于光学结合,在条纹区域中可以辨别出由高密度颗粒组成的几层,而没有颗粒在这些条纹之间定位。 完全不同于蒸发溶剂中的自组装图案而不激发光学模式,通过耦合波导具有更复杂的结构,在光学组件的可能图案中表现出多功能性。 (c)2017年光学学会

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  • 来源
    《Optics Letters》 |2017年第15期|共4页
  • 作者单位

    Nantong Univ Phys Dept 9 Seyuan Rd Nantong 226007 Jiangsu Peoples R China;

    Shanghai Jiao Tong Univ Dept Phys &

    Astron State Key Lab Fiber Opt Local Area Commun Network Shanghai 200240 Peoples R China;

    Hohai Univ Jiangsu Key Lab Power Transmiss &

    Distribut Equip Changzhou 213022 Peoples R China;

    Shenzhen Univ Coll Phys &

    Energy Shenzhen 518060 Peoples R China;

    Hohai Univ Jiangsu Key Lab Power Transmiss &

    Distribut Equip Changzhou 213022 Peoples R China;

    Shanghai Jiao Tong Univ Dept Phys &

    Astron State Key Lab Fiber Opt Local Area Commun Network Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Dept Phys &

    Astron State Key Lab Fiber Opt Local Area Commun Network Shanghai 200240 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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