2019
DOI: 10.1080/02678292.2019.1631970
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Laser-written polymeric scaffolds for micro-patterned liquid crystal alignment

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Cited by 10 publications
(14 citation statements)
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“…The orientational structure of the LC medium in a periodic polymeric scaffold as a function of an applied magnetic field is calculated by minimization of the Landau-de Gennes free energy for ferromagnetic LCs [ 34 , 35 ], while optical diffractive properties of the associated diffraction structure are calculated by the use of rigorous coupled-wave analysis (RCWA) [ 36 , 37 , 38 , 39 ]. The results obtained show good agreement with our previously reported experimental data [ 40 , 41 ]. Besides this, we also show that the presented methodology can be used to design new types of DOE based on ferromagnetic LCs and simulate their operation governed by the in-plane magnetic field.…”
Section: Introductionsupporting
confidence: 92%
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“…The orientational structure of the LC medium in a periodic polymeric scaffold as a function of an applied magnetic field is calculated by minimization of the Landau-de Gennes free energy for ferromagnetic LCs [ 34 , 35 ], while optical diffractive properties of the associated diffraction structure are calculated by the use of rigorous coupled-wave analysis (RCWA) [ 36 , 37 , 38 , 39 ]. The results obtained show good agreement with our previously reported experimental data [ 40 , 41 ]. Besides this, we also show that the presented methodology can be used to design new types of DOE based on ferromagnetic LCs and simulate their operation governed by the in-plane magnetic field.…”
Section: Introductionsupporting
confidence: 92%
“…In our previous theoretical modeling of the assembly described above, the LC medium between polymer ribbons was assumed to rotate homogeneously, i.e., independent of the coordinate x , [ 40 , 41 ], which gave only a qualitative description of the observed features. Besides this, no relation between the LC rotation angle and the applied magnetic field was taken into account.…”
Section: Grating Assemblymentioning
confidence: 99%
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“…The initial alignment of NLC-based photoresists can be achieved using a previously printed template, [169][170][171] along rubbing direction, 172 under the influence of an external magnetic field, 173 or under the influence of an external electric field 174,175 . Furthermore, crosslinking of the monomeric functional groups was shown to efficiently freeze the alignment observed in the photoresist.…”
Section: Liquid Crystalline Materialsmentioning
confidence: 99%
“…Известно, что разработка и оптимизация способов ориентирования жидкокристаллических (ЖК) системдовольно сложная и трудоемкая научно-техническая задача [1][2][3][4][5][6][7][8][9][10]. Решение этой задачи связано с рядом технологических и схемных операций, например, с подбором растворителей (если используются органические композиции в качестве ориентирующего покрытия с последующей их натиркой), с выбором голографических подходов (при учете пространственной частоты записи, регулирующей период записанной решетки на создаваемом рельефе поверхности), с УФ-облучением поверхности (при выборе режима и типа ламп или лазерных источников УФ-диапазона спектра), с процессом импринтинга, с методами лазерной направленной обработки (при варьировании мощности лазера и скорости движения лазерного луча) и др.…”
Section: Introductionunclassified