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中国物理学会期刊

新型掺偶氮苯聚合物的取向增强及全息存储

CSTR: 32037.14.aps.60.054202

Orientation-enhanced and holographic storage of a novel azobenzene doped polymer

CSTR: 32037.14.aps.60.054202
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  • 研究一种新型的并列式的高密度存储材料ADPA-PVK-PBA-TNF聚合物薄膜.在非吸收区用光抽运测试法研究了薄膜光致双折射,获得光致双折射变化值Δn=1.3×10-3,分析了该聚合物薄膜光致取向增强的物理和化学机理.探讨了抽运光对光致双折射的增强和抑制效应.在此基础上初步实现了多重角度复用信息存储、获得了较为清晰的全息存储图像.并讨论了图象存储的增强/抑制效应,利用这种效应可对存储图像处理或删除.

     

    A novel optical high-density storage material ADPA-PVK-PBA-TNF polymer film was reported. In the nonresonant absorption of sample, we tested and investigated its photo-induced birefringence and obtained the value Δn =1.3×10-3.We analyzed the physico-chemiscal mechanism of orientation-enhancement and discussed the enhancing/restraining effects of photo-induced birefringence in the film. On this basis,multiple angles storage were achieved and clear holographic storage images were gained. The enhancing/restraining effect of image storage was also discussed. And with the help of this effect one can process and remove storage images.

     

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