On the thermal stability of volume holograms recorded in nanoparticle-polymer composite films

被引：0
|
作者：
Tomita, Yasuo [1 ]
Nakamura, Toshihiro [1 ]
Tago, Atsushi [1 ]
机构：
[1] Univ Electrocommun, Dept Elect Engn, Tokyo 1828585, Japan
来源：
PHOTON MANAGEMENT III | 2008年 / 6994卷
关键词：
photopolymers; holographic recording; nanoparticles; volume holograms; thermal expansion;
D O I：
10.1117/12.783601
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on measurements of thermal expansion coefficients and temperature-dependent refractive indices of nanoparticle-polymer composite films in which plane-wave volume holograms are recorded. These physical constants are evaluated for photopolymer films with the incorporation of inorganic nanoparticles or binder polymer. We show, that the incorporation of inorganic nanoparticles in photopolymer is a very effective method to suppress temperature-dependent film-thickness and refractive-index changes as well as to increase the refractive index modulation and reduce polymerization shrinkage.
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页数：7
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