西华大学学报（自然科学版）2006，Vol.25Issue(3)：71-74,4.
全息光栅液晶排列性质与厚度关系相关的研究
Study on the Alignment Properties and the Thickness of Liquid Crystal on Holographic Grating
摘要
Abstract
Using scanning electron microscope and polarizing optical microscope, the author investigates the relationship between the alignment properties of a nematic liquid crystal (LC) and the thickness of the LC layers on a holographic grating. As the thickness of the LC layer (d) increases, the LC alignment properties are found to change dramatically. Unidirectional LC alignment is achieved along the microgrooves only for moderately thick LC layers (1 ＜ d＜10 μm), but not for thin (d＜ 1.0 μm) or thick (d＞10 μm) LC layers. The thickness-dependent LC alignment properties are explained in terms of the competitions between the microgroove-introduced physical confinement effect and the embossed-ridge introduced extra surface anchoring effect.关键词
全息光栅/液晶排列/厚度相关Key words
holographic grating/liquid crystal alignment/thickness-dependent分类
数理科学引用本文复制引用
陈兰莉..全息光栅液晶排列性质与厚度关系相关的研究[J].西华大学学报（自然科学版）,2006,25(3):71-74,4.基金项目
Nanyang Scientific and Technological Development Plan Fund Project(2005PT109 ) （2005PT109 ）
