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Polarized second-harmonic generation optical microscopy for laser-directed assembly of ZnO nanowires

机译：ZnO纳米线激光定向组件的偏振二谐波产生光学显微镜

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摘要

Two-photon polymerization (TPP) based on laser direct writing is currently one of the most prevailing 3D micro/nano fabrication techniques. Nanomaterials can be doped in resins and assembled by TPP for developing advanced 3D functional devices. However, there lacks an effective visualization tool to determine the distribution and orientation of the nanomaterials as-doped in the composite resins. Herein, we present a nondestructive, in situ, and rapid characterization method to determine the orientation and distribution of the nanomaterials within cured resins using polarized second-harmonic generation (p-SHG). The directional assembly of the ZnO nanowires within micro/nanostructures fabricated by TPP is, for the first time to the best of our knowledge, characterized by p-SHG optical microscopy with a fast imaging speed by two orders of magnitude higher than that of the Raman mapping technique. Our method opens a window for nondestructive, rapid, in situ, and polarization-resolved characterization of functional devices made by TPP micro/nanofabrication. (C) 2019 Optical Society of America
机译：基于激光直接写入的双光子聚合（TPP）目前是最普遍的3D微/纳米制造技术之一。纳米材料可以掺杂在树脂中并通过TPP组装，用于开发先进的3D功能装置。然而，缺乏有效的可视化工具，以确定在复合树脂中掺杂的纳米材料的分布和取向。在此，我们呈现非破坏性，原位和快速表征方法，以确定使用偏振的第二谐波产生（P-SHG）固化树脂内纳米材料的取向和分布。通过TPP制造的微/纳米结构内的ZnO纳米线的定向组件是我们的知识首次，其特征在于P-SHG光学显微镜，其数量级比拉曼高的两个数量级映射技术。我们的方法为通过TPP Micro / NaNoFabrication制备的功能装置的非破坏性，快速，原位和极化分辨表征进行了一个窗口。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第17期|共4页
  • 作者

    Wang Ruiqing; Wang Fan; Long Jing; Tao Yufeng; Zhou Linlin; Fu Huange; Liu Yuncheng; Jiao Binzhang; Deng Leimin; Xiong Wei;

  • 作者单位

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei 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;
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