Optimization of the recording scheme for fast holographic response in photorefractive polymers

被引：16
|
作者：
Mecher, E [1 ]
Bittner, R [1 ]
Bräuchle, C [1 ]
Meerholz, K [1 ]
机构：
[1] Univ Munich, Dept Chem Phys, D-80333 Munich, Germany
来源：
SYNTHETIC METALS | 1999年 / 102卷 / 1-3期
关键词：
photorefractive polymers; grating build-up dynamics; four-wave mixing;
D O I：
10.1016/S0379-6779(98)00336-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the recording scheme on the dynamic performance of a photorefractive polymer composite is investigated. In the low-T-g composite studied here, the response time is at first limited by the formation of the photorefractive space-charge field and on a longer time scale by the orientation of the electrooptic chromophores. By in situ pre-poling the devices before writing the hologram a substantial speed enhancement was achieved compared with non-prepoled devices.
引用
收藏
页码：993 / 996
页数：4
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