Comparison on high-density holographic Characteristics of Photopolymers sensitized by two Kinds of Thiazine Dyes

被引：0
|
作者：
Cheng Jianqun [1 ]
Chen Ke [1 ]
Wang Yan [1 ]
Huang Mingju [1 ]
机构：
[1] Henan Univ, Coll Phys & Elect, Inst Photon & Optoelect Tech, Kaifeng 475004, Peoples R China
来源：
EIGHTH INTERNATIONAL SYMPOSIUM ON OPTICAL STORAGE AND 2008 INTERNATIONAL WORKSHOP ON INFORMATION DATA STORAGE | 2009年 / 7125卷
关键词：
Azure I; Azure II; photopolymer; transmittance; diffraction efficiency; thickness; RECORDING MATERIALS; GRATINGS;
D O I：
10.1117/12.822045
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this thesis, two kinds of photopolymer films sensitized by azure I and azure II respectively are fabricated and their important holographic characteristics including the sensitive spectral range of films, transmittance, diffraction efficiency (DE), the thickness of photopolymer films and refractive index modulation are compared. It can be found that the photopolymer film sensitized by azure II(sample 2) has more obvious advantages than the photopolymer film sensitized by azure I (sample 1) on the holographic characteristics from the absorption intensity and the optimum concentration of dye and the inner uniformity of sample to the photochemical reaction velocity and the optimum medium thickness. On the contrary, sample 1 has higher maximum diffraction efficiency and refractive index modulation than sample 2.
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页数：10
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