Bipolar configuration with twisted loop defect in chiral nematic droplets under homeotropic surface anchoring

Mikhail N. Krakhalev, Anna P. Gardymova, Oxana O. Prishchepa, Vladimir Yu Rudyak, Alexander V. Emelyanenko, Jui Hsiang Liu, Victor Ya Zyryanov

研究成果: Article同行評審

16 引文 斯高帕斯(Scopus)

摘要

Optical textures and appropriate orientational structures have been studied within droplets of chiral nematic dispersed in polymer assigning the homeotropic anchoring. The helix axis of the chiral structure inside droplets forms the bipolar configuration. The optical droplet textures were analysed in the unpolarised light, analyser switching-off scheme and in crossed polarisers. The twisted loop defect reveals itself convincingly in all schemes. Its appearance at the optical patterns of the chiral nematic droplets has been examined depending on their size and the aspect direction. The existence of the defect has been verified by the structural and optical calculations. The effect of an electric field on both the defect line shape and the orientational structure of chiral nematic has been studied.

原文English
文章編號14582
期刊Scientific reports
7
發行號1
DOIs
出版狀態Published - 2017 十二月 1

All Science Journal Classification (ASJC) codes

  • General

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