Electro-optic characteristics of de Vries tilted smectic liquid crystals: Analog behavior in the smectic A* and smectic C* phases
Electro-optic characteristics of de Vries tilted smectic liquid crystals: Analog behavior in the smectic A* and smectic C* phases
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德弗里斯倾斜近晶液晶的电光特性：近晶 A* 和近晶 C* 相的模拟行为
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发表时间：
2002
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通讯作者：
S. Lagerwall
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作者：
N. Clark;T. Bellini;R. Shao;D. Coleman;S. Bardon;D. Link;J. Maclennan;X. Chen;M. Wand;D. Walba;P. Rudquist;S. Lagerwall
de弗里斯型（分子相对于层法线倾斜）的手性近晶A型液晶材料表现出伴随双折射增加的模拟场诱导（电斜）光轴旋转。我们确定了两个这样的de弗里斯近晶A* 材料，并使用它们来开发和测试这些特征的电光效应的模型。这些材料还表现出巨大的模拟场诱导的光轴旋转在较低温度近晶C* 相，极化电荷稳定的结果，并在液晶中的应用领域的极化屏蔽。
Chiral smectic A liquid crystal materials of the de Vries type (with molecules tilted relative to the layer normal) exhibit analog field-induced (electroclinic) optic axis rotation accompanied by an increase in birefringence. We identify two such de Vries smectic A* materials and use them to develop and test models for these characteristic electro-optic effects. These materials also exhibit colossal analog field-induced optic axis rotation in the lower temperature smectic C* phase, a consequence of polarization charge stabilization, and of polarization screening of the applied field in the liquid crystal.