Photoinduced anisotropy measurements in liquid-crystalline azobenzene side-chain polyesters

被引:71
作者
Holme, NCR [1 ]
Ramanujam, PS [1 ]
Hvilsted, S [1 ]
机构
[1] RISO NATL LAB,DEPT SOLID STATE PHYS,DK-4000 ROSKILDE,DENMARK
来源
APPLIED OPTICS | 1996年 / 35卷 / 23期
关键词
azobenzene; holography; optical storage; polymers;
D O I
10.1364/AO.35.004622
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Reversible photoinduced anisotropy in a series of Liquid-crystalline azobenzene side-chain polyesters is investigated as a function of intensity of the write beam and the sample temperature. Measurements reveal that the erasing takes place at a temperature much higher than the glass transition temperature. induced anisotropy can be erased by heating the polyesters to approximately 80 degrees C. (C) 1996 Optical Society of America
引用
收藏
页码:4622 / 4627
页数:6
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