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报道了一种新型、双染料共同敏化的非水溶性光致聚合物全息记录材料。该材料由复合单体、复合光敏剂、复合引发剂、链转移剂及成膜物等成分组成,具有防潮、后处理简单、分辨率高、体积收缩小及耐高温等特点。材料能够同时对红、绿光敏感,对两种光的衍射效率均不低于75%,灵敏度均不低于0.025cm2/mJ。存储结果显示,再现图像清晰明亮,信噪比高,说明该光致聚合物具有较好的存储性能,适合双波长复用全息存储。
A novel double-dye co-sensitized water-insoluble photopolymer holographic recording material was reported. The material is composed of composite monomer, compound photosensitizer, compound initiator, chain transfer agent and film-forming material, etc., which has the characteristics of moisture proofness, simple post-treatment, high resolution, small volume shrinkage and high temperature resistance. The material can be sensitive to red and green at the same time, the diffraction efficiency of both light is not less than 75%, the sensitivity is not less than 0.025cm2 / mJ. The results show that the reproduced image is clear and bright, and the signal-to-noise ratio is high, indicating that the photopolymer has better storage performance and is suitable for dual-wavelength multiplexed holographic storage.