Holographic grating formation in dye doped polymer dispersed liquid crystals

被引:43
作者
Cipparrone, G [1 ]
Mazzulla, A
Nicoletta, FP
Lucchetti, L
Simoni, F
机构
[1] Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, CS, Italy
[2] Univ Calabria, Ist Nazl Fis Mat, Arcavacata Di Rende, CS, Italy
[3] Univ Calabria, Dipartimento Chim, Arcavacata Di Rende, CS, Italy
[4] Univ Ancona, Dipartimento Sci Mat & Terra, I-60131 Ancona, Italy
[5] Univ Ancona, Ist Nazl Fis Mat, Ancona, Italy
关键词
holographic gratings; optical storage; polymer dispersed liquid crystal;
D O I
10.1016/S0030-4018(98)00033-9
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report a detailed investigation on holographic grating formation in dye-doped polymer dispersed liquid crystals. Both optical and scanning electron microscope measurements have been carried out. All the experimental data support the idea that a photorefractive-like effect is the basic mechanism of the optical storage effect, while it is demonstrated that neither droplets' size or shape effects, nor dye or polymer reorientation are involved in the process. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:297 / 304
页数:8
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