Diffusion kinetics of formation of holographic polymer-dispersed liquid crystal display materials

被引：147
|
作者：
Bowley, CC [1 ]
Crawford, GP
机构：
[1] Brown Univ, Dept Phys, Providence, RI 02912 USA
[2] Brown Univ, Div Engn, Providence, RI 02912 USA
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 16期
关键词：
D O I：
10.1063/1.126306
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The underlying physical phenomena behind the increased reflection/diffraction efficiency of holographically formed polymer-dispersed liquid crystal gratings formed from blended oligomers are investigated. Using parameters determined by in situ diffraction measurements during grating formation, a phenomenological diffusion model shows that a composition modulation in the polymer network results in blended oligomer systems. Scanning electron microscope studies reveal polymer morphologies consistent with this hypothesis. (C) 2000 American Institute of Physics. [S0003-6951(00)05216-5].
引用
收藏
页码：2235 / 2237
页数：3
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