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《Chinese Physics B》 2016年09期
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Holographic storage of three-dimensional image and data using photopolymer and polymer dispersed liquid crystal films

高洪跃  刘攀  曾超  姚秋香  郑志强  刘吉成  郑华东  于瀛洁  曾震湘  孙涛  
【摘要】:We present holographic storage of three-dimensional(3D) images and data in a photopolymer film without any applied electric field.Its absorption and diffraction efficiency are measured,and reflective analog hologram of real object and image of digital information are recorded in the films.The photopolymer is compared with polymer dispersed liquid crystals as holographic materials.Besides holographic diffraction efficiency of the former is little lower than that of the latter,this work demonstrates that the photopolymer is more suitable for analog hologram and big data permanent storage because of its high definition and no need of high voltage electric field.Therefore,our study proposes a potential holographic storage material to apply in large size static 3D holographic displays,including analog hologram displays,digital hologram prints,and holographic disks.

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