Cholesteric Liquid Crystals: Through the Spherical Looking‐Glass: Asymmetry Enables Multicolored Internal Reflection in Cholesteric Liquid Crystal Shells (Advanced Optical Materials 1/2018)
Source abstract
Abstract
In article number 1700923, Jan P. F. Lagerwall, Soo-Young Park, and co-workers show that the cholesteric shells in a microfluidics produced double emulsion enable a sequence of internal reflections if the shells have sufficiently thin top and thick bottom. While such asymmetry is promoted by buoyancy when the internal droplet has lower density than the liquid crystal, the elasticity of the cholesteric helix prefers a symmetric shell geometry, acting against gravity. This subtle balance can hide the internal reflections for long time.
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Research context
OpenAlex topics: Liquid Crystal Research Advancements · Advanced optical system design
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Affiliations
Physics and Materials Science Research Unit University of Luxembourg L‐1511 Luxembourg Grand Duchy of Luxembourg
Key Laboratory of Rubber‐Plastics Ministry of Education Qingdao University of Science and Technology Qingdao 266042 P. R. China
Department of Polymer Science and Engineering Polymeric Nanomaterials Laboratory School of Applied Chemical Engineering Kyungpook National University 80 Daehak‐ro Buk‐gu Daegu 41566 South Korea
References
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