| A wideband sensitive holographic photopolymer |
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| 作者姓名： | 黄明举 王素莲 王爱荣 弓巧侠 干福熹 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences，Shanghai 201800 Department of Physics，Henan University，Kaifeng 475001，Department of Physics Henan University，Kaifeng 475001，Department of Physics Henan University，Kaifeng 475001，Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences，Shanghai 201800 |
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| 基金项目： | This work was supported by the Natural Science Foundation of Shanghai (No. 03JC140730) and the China Postdoctoral Science Foundation (No. 2004036349). |
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| 摘 要： | A novel wideband sensitive dry holographic photopolymer sensitized by rose bengal (RB) and methylene blue (MB) is fabricated, the holographic storage characteristics of which are investigated under different exposure wavelengths. The result shows that the sensitive spectral band exceeds 200 nm in visible light range, the maximum diffraction efficiency under different exposure wavelengths is more than 40% and decreases with the decrease of exposure wavelength, the exposure sensitivity is not change with the exposure wavelength. This photopolymer is appropriate for wavelength multiplexing or multi-wavelength recording in digital holographic storage.
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