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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters & Express Letters >Reorientation of Cholesteric Liquid Crystal Molecules Using Acoustic Streaming
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Reorientation of Cholesteric Liquid Crystal Molecules Using Acoustic Streaming

机译：使用声流对胆固醇液晶分子进行重新取向

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摘要

We have demonstrated the reorientation of cholesteric liquid crystal (CLC) molecules in a thick cell by acoustic streaming. In the thick cell, the initial CLC does not have a planar alignment but a focal conic state in spite of the surface being coated with a planar polyimide and rubbed unidirectionally. The acoustic streaming effect changes the CLC alignment from a focal conic state to a planar alignment. The alignment of the treated cell including its defects is improved by storing the cell at room temperature for several days. Although the focal conic cell shows a low transmittance and a broad stop band due to light scattering, the treated cell reduces scattering and has the sharp band edges in the stop band.
机译：我们已经证明通过声流在厚的单元格中胆甾型液晶（CLC）分子的重新定向。在厚电池中，尽管表面涂有平面聚酰亚胺并单向摩擦，但初始CLC并不具有平面排列，而是焦点圆锥状态。声流效应将CLC排列从焦点圆锥状态更改为平面排列。通过将处理过的电池在室温下存放几天，可以改善处理后的电池（包括其缺陷）的排列。尽管焦点圆锥形电池由于光散射而显示出低透射率和较宽的阻带，但是经处理的电池减少了散射并在阻带中具有尖锐的带边缘。

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