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Riboflavin Sensitized Photopolymer Materials for Holographic Storage |
| ZHAI Feng-Xiao1;WANG Ai-Rong1;YIN Qiong1;LIU Jun-Hui1;HUANG Ming-Ju1,2 |
| 1College of Physics and Information Optoelectics, Henan University, Kaifeng 475001
2Shanghai Institute of Optical and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| Cite this article: |
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ZHAI Feng-Xiao, WANG Ai-Rong, YIN Qiong et al 2005 Chin. Phys. Lett. 22 2843-2846 |
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Abstract Riboflavin is employed as the photosensitizer of a novel photopolymer material for holographic recording. This material has a broad absorption spectrum range (more than 200nm) due to the addition of this dye. The experimental results show that our material has high diffraction efficiency and large refractive index modulation. The maximum diffraction efficiency of the photopolymer is about 56%. The digital data pages are stored in this medium and the reconstructed data page has a good fidelity, with the bit-error-ratio of about 1.8×10-4. It is found that the photopolymer material is suitable for high-density volume holographic digital storage.
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| Keywords:
42.70.Ln
42.40.Eq
42.30.Wb
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Published: 01 November 2005
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| PACS: |
42.70.Ln
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(Holographic recording materials; optical storage media)
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42.40.Eq
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(Holographic optical elements; holographic gratings)
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42.30.Wb
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(Image reconstruction; tomography)
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