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Holographic binary grating liquid crystal cells fabricated by one-step exposure of photocrosslinkable polymer liquid crystalline alignment substrates to a polarization interference ultraviolet beam

机译:通过将可光交联的聚合物液晶取向基板一步暴露于偏振干涉紫外光而制成的全息二元光栅液晶盒

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摘要

Holographic binary grating liquid crystal (LC) cells, in which the optical anisotropy was rectangularly modulated even as the grating was fabricated using holographic exposure, were fabricated by one-step polarization holographic exposure of an empty glass cell, the interior of which was coated with a photocrosslinkable polymer LC (PCLC). The present study is of great significance in that three types of holographic binary grating LC cells containing twisted alignments can be fabricated by simultaneous exposure of two PCLC substrates to the UV interference beams, which are sinusoidally modulated. The polarization conversion properties of the diffracted beams are explained well by theoretical analysis based on Jones calculus. (C) 2015 Optical Society of America
机译:全息二元光栅液晶(LC)单元,通过使用空玻璃单元的一步偏振偏振全息曝光,即使在使用全息曝光制作光栅时也可以对光学各向异性进行矩形调制。光可交联聚合物LC(PCLC)。本研究具有重要意义,因为可以通过将两个PCLC基板同时暴露于正弦调制的UV干涉光束来制造三种包含扭曲取向的全息二元光栅LC液晶盒。通过基于Jones演算的理论分析很好地解释了衍射光束的偏振转换特性。 (C)2015年美国眼镜学会

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