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吲哚俘精酰胺的偏振全息图像光存储实验研究

王英利 姚保利 陈懿 樊美公 郑媛 门克内木乐 雷铭 陈国夫 韩勇 闫起强 孟宪娟

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吲哚俘精酰胺的偏振全息图像光存储实验研究

王英利, 姚保利, 陈懿, 樊美公, 郑媛, 门克内木乐, 雷铭, 陈国夫, 韩勇, 闫起强, 孟宪娟

Polarization holographic image storage with indolylfulgimide

Wang Ying-Li, Yao Bao-Li, Chen Yi, Fan Mei-Gong, Zheng Yuan, Menke Nei-Mu-Le, Lei Ming, Chen Guo-Fu, Han Yong, Yan Qi-Qiang, Meng Xian-Juan
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  • 在吲哚俘精酰胺/PMMA薄膜上记录了同偏振全息和正交偏振全息图,获得了它们的再现衍射像.实验结果表明:吲哚俘精酰胺具有光致各向异性,可以进行正交偏振全息记录.在偏振全息中,衍射光的偏振方向依赖于物光和再现光的偏振方向,衍射像的噪声主要来源于再现光照射到样品上引起的散射.正交偏振全息可以得到比同偏振全息更高信噪比的衍射像.存储于样品上的全息图在室温下黑暗处至少可以保存五个月而衍射效率无明显下降.结果表明,吲哚俘精酰胺是一种可用于偏振全息的可擦重写记录介质.
    Co-polarized and cross-polarized holographic gratings were respectively recorded on the indolylfulgimide/PMMA film and their diffracted images were obtained. The experiment indicates that the indolylfulgimide possesses the characteristic of photo-induced anisotropy, therefore it can be used for cross-polarized holographic recording. In polarization holography, the polarization of diffraction beam is dependent on the polarizations of reference beam and object beam. The noise of the diffraction image mainly comes from the diffusion of the readout beam on the sample. Cross-polarized holography can obtain higher signal-to-noise ratio of reconstructed image than that of co-polarized holography. Holographic gratings recorded on the film can be kept for at least five months in darkness at room temperature without decrease of diffraction efficiency. The results show that indolylfulgimide is an erase-rewritable optical storage material that can be used in polarization holography.
    • 基金项目: 国家自然科学基金(批准号: 60007009,60278026),国家重点研究计划“973”(批准号: G1999033004),中国科学院创新方向性研究(批准号: 40001043)资助的课题.
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  • 文章访问数:  6362
  • PDF下载量:  569
  • 被引次数: 0
出版历程
  • 收稿日期:  2002-12-24
  • 修回日期:  2003-04-10
  • 刊出日期:  2004-01-15

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