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Optical vortex generation by use of vector beam recorded azo-dye-doped liquid-crystal polymer composites

机译:使用矢量束记录的偶氮染料掺杂液晶聚合物复合材料产生光学涡旋

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摘要

In the present presentation, we report the experimentally and theoretically investigated spatial wavefront conversion properties of an optical vortex (OV) generation system including azo-dye doped liquid crystal (ADDLC) polymer composite and vector beam illuminator, focusing on the abilities of flexibility and achromaticity. Three-dimensional anisotropic structure was induced by recording vector beam in ADDLC and it can convert a polarized Gaussian beam into polarized OVs whose topological charge is depending on the structure of anisotropy. The photo-induced anisotropic structure can be re-initialized by turning it off and changing the illuminating polarization pattern of vector beam. Numerical simulations and experimental results showed that our anisotropic structure can generate OV with broadband spectrum.
机译:在本演示文稿中,我们报告了实验和理论上研究的光学涡旋(OV)生成系统的空间波前转换特性,该系统包括偶氮染料掺杂液晶(ADDLC)聚合物复合材料和矢量束照明器,着重于柔韧性和消色差能力。通过在ADDLC中记录矢量束来诱导三维各向异性结构,它可以将极化的高斯光束转换为极化OV,其拓扑电荷取决于各向异性的结构。可以通过关闭光感应各向异性结构并更改矢量光束的照明偏振图案来重新初始化它。数值模拟和实验结果表明,我们的各向异性结构可以产生宽带光谱的OV。

著录项

  • 来源
    《Complex light and optical forces XI》|2017年|1012006.1-1012006.7|共7页
  • 会议地点 San Francisco(US)
  • 作者单位

    Department of Electrical Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan;

    Department of Electrical Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan;

    Department of Electrical Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan;

    Department of Electrical Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan;

    Department of Applied Chemistry, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan;

    Department of Electrical Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Optical vortex; Vector beam; Liquid crystal; Spatial light modulation;

    机译:光学涡旋矢量束液晶;空间光调制;

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