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Optical Textures and Orientational Structures in Cholesteric Droplets with Conical Boundary Conditions

机译:具有锥形边界条件的胆甾粒液滴中的光学纹理和取向结构

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摘要

Cholesteric droplets dispersed in polymer with conical boundary conditions have been studied. The director configurations are identified by the polarising microscopy technique. The axisymmetric twisted axial-bipolar configuration with the surface circular defect at the droplet’s equator is formed at the relative chirality parameter N 0 ≤ 2.9 . The intermediate director configuration with the deformed circular defect is realised at 2.9 < N 0 < 3.95 , and the layer-like structure with the twisted surface defect loop is observed at N 0 ≥ 3.95 . The cholesteric layers in the layer-like structure are slightly distorted although the cholesteric helix is untwisted.
机译:研究了分散在具有锥形边界条件的聚合物中的胆甾醇液滴。导演配置由偏振显微镜技术识别。在液滴赤道处具有表面圆形缺陷的轴对称扭曲轴向 - 双极配置形成在相对手性参数n0≤2.9处。具有变形圆形缺陷的中间导向器配置在2.9

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