SiO2 NPs-PQ/PMMA Photopolymer Material Doped with a High-Concentration Photosensitizer for Holographic Storage

被引:18
|
作者
Liu, Ying [1 ,2 ]
Fan, Fenglan [3 ]
Tan, Xiaodi [4 ]
机构
[1] Beihang Univ, Res Inst Frontier Sci, 37th Xueyuan Rd, Beijing 100091, Peoples R China
[2] Res Ctr Quantum Sensing, Zhejiang Lab, 1818th Wenyi West Rd, Hangzhou 310000, Zhejiang, Peoples R China
[3] Hebei Normal Univ Nationalities, Dept Chem & Chem Engn, Chengde 067000, Hebei, Peoples R China
[4] Fujian Normal Univ, Coll Photon & Elect Engn, Fujian Prov Key Lab Photon Technol, Fuzhou 350007, Fujian, Peoples R China
基金
国家重点研发计划; 中国国家自然科学基金;
关键词
nanocomposite photopolymer material; holographic data storage; polarization holography; holographic storage material; VOLUME GRATINGS; POLYMER; NANOPARTICLES; PERFORMANCE; IMPROVEMENT; COMPOSITE; STEP;
D O I
10.3390/polym12040816
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Dispersing nanoparticles and increasing the photosensitizer concentration have been regarded as effective approaches for improving the performance of a holographic storage material. In this paper, SiO2 nanoparticle (NP)-dispersed PQ/PMMA nanocomposite material (SiO2 NP-PQ/PMMA) with a high PQ doping concentration was prepared. By introducing the co-monomer methyl isobutyl ketone (MIBK) that comes from an SiO2 NP colloidal solution, the concentration of PQ in the system increased to 1.2 wt %. We investigated the performance of polarization holographic recordings in both traditional PQ/PMMA and nanocomposite material SiO2 NP-PQ/PMMA with the orthogonally polarized signal and reference waves. With the dispersion of the SiO2 NPs colloidal solution and the increase in the PQ concentration, diffraction efficiency and photoinduced birefringence were multiplied. In addition, high-quality holographic image reconstruction was achieved by our homemade material.
引用
收藏
页数:10
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