Transitions in Liquid Crystals Initiated with Circularly Polarized Light

该建议旨在合成一类新的液体 晶体材料通过以下方式显示出选定性质的变化： 入射光的偏振态。 光化学， 模型手性发色团的物理和手性性质 将作为潜在的可光分解的介晶进行检查， 掺杂剂 相的形成将通过光学或电学方法进行研究。 光学手段，如反射、旋转或铁电 行为，和光诱导的扭曲相照射 圆偏振光将用于检查定向 适当构造的液晶相 光分解介晶

This proposal is aimed at the synthesis of a new class of liquid crystal materials that exhibit changes in selected properties by the polarization states of incident light. Photochemical, physical and chiroptic properties of model chiral chromophores will be examined as potential photoresolvable mesogens or dopants. Phase formation will be studied by optical or electro- optical means such as reflection, rotation, or ferroelectric behavior, and the photoinduction of twisted phases by irradiation with circularly polarized light will be used to examine oriented liquid crystalline phases of appropriately constructed photoresolvable mesogens.