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首页> 外文期刊>Japanese journal of applied physics >Blazed vector grating liquid crystal cells with photocrosslinkable polymeric alignment films fabricated by one-step polarizer rotation method
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Blazed vector grating liquid crystal cells with photocrosslinkable polymeric alignment films fabricated by one-step polarizer rotation method

机译：一步偏振器旋转法制备的带有光可交联聚合物取向膜的闪耀矢量光栅液晶盒

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摘要

Blazed vector grating liquid crystal (LC) cells, in which the directors of low-molar-mass LCs are antisymmetrically distributed, were fabricated by one-step exposure of an empty glass cell inner-coated with a photocrosslinkable polymer LC (PCLC) to UV light. By adopting a LC cell structure, twisted nematic (TN) and homogeneous (HOMO) alignments were obtained in the blazed vector grating LC cells. Moreover, the diffraction efficiency of the blazed vector grating LC cells was greatly improved by increasing the thickness of the device in comparison with that of a blazed vector grating with a thin film structure obtained in our previous study. In addition, the diffraction efficiency and polarization states of ±1st-order diffracted beams from the resultant blazed vector grating LC cells were controlled by designing a blazed pattern in the alignment films, and these diffraction properties were well explained on the basis of Jones calculus and the elastic continuum theory of nematic LCs.
机译：通过将涂有光可交联聚合物LC（PCLC）的空玻璃玻璃单步暴露于紫外光，可以制造低摩尔质量LC的指向矢呈反对称分布的火焰状矢量光栅液晶（LC）电池。光。通过采用LC液晶盒结构，在闪耀的矢量光栅LC液晶盒中获得了扭曲向列（TN）和同质（HOMO）排列。此外，与我们先前研究中获得的具有薄膜结构的闪耀矢量光栅相比，通过增加器件的厚度可以大大提高闪耀矢量光栅LC单元的衍射效率。此外，通过在取向膜中设计闪耀图案，控制了所得闪耀矢量光栅LC单元的±1阶衍射光束的衍射效率和偏振态，并根据Jones微积分和向列液晶的弹性连续理论。

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  • 来源
    《Japanese journal of applied physics》 |2014年第12期|122601.1-122601.6|共6页
  • 作者

    Kotaro Kawai; Mitsuru Kuzuwata; Tomoyuki Sasaki; Kohei Noda; Nobuhiro Kawatsuki; Hiroshi Ono;

  • 作者单位

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

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

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

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

    Department of Materials Science and Chemistry, University of Hyogo, Himeji, Hyogo 671-2280, Japan;

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

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