Reflection holographic gratings in Acrylamide-based photopolymer

被引：4
|
作者：
Pacheco, Katherine [1 ]
Aldea, Gabriela [1 ]
Cassagne, Christophe [1 ]
Nunzi, Jean-Michel [1 ]
机构：
[1] Univ Angers, Lab POMA, UMR 6136, CNRS, Angers, France
来源：
PHOTONICS NORTH 2006, PTS 1 AND 2 | 2006年 / 6343卷
关键词：
photopolymer; acrylamide; holographic data storage; diffraction efficiency; shrinkage;
D O I：
10.1117/12.707737
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We recorded reflection holographic gratings in thick photopolymeric films composed of Eosin (as sensitizer) mixed with acrylamide (as monomer), N,N'-methylenebisacrylamide as cross-linking monomer and Triethanolamine (as coinitiator), all dissolved in a polyvinylalcohol host matrix. The gratings were recorded using argon-ion laser at 514.5 nm. By optimization of all photopolymer compositions, we obtained diffraction efficiency as high as 17% at high spatial frequency of 4800 lines/mm. A comparison was made by replacing Eosin with Rose Bengal in the photopolymer. 10 shrinkage was measured in both systems.
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页数：8
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