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- W2023232489 abstract "Pr:LiNbO 3 crystal can be used in two-color gated storage process for its special energy-level structure. Compared with other crystals used as volume holographic storage media, it has a great merit that an image recording does not erase the recorded one in multiplex storage process. But its photorefractive effect appears weaker than other crystals in the same conditions. We doped photorefractive sensitizing element Ce into Pr:LibNO 3 to get Ce:Pr:LiNbO 3 crystal with Czochralski method. The structure of crystals has been determined by X-ray powder diffraction method. The results indicate Pr:LiNbO 3 and Ce:Pr:LiNbO 3 keep the same structural characteristics as pure lithium niobate. In the absorption spectra of Pr:LiNbO 3 and Ce:Pr:LiNbO 3 samples with non-polarized light in wavelength of 300 - 900 nm, the absorption edge of Ce:Pr:LiNbO 3 shifts to the red compared with that of Pr:LiNbO 3 . The diffraction efficiency, writing time and especially erasing time of Ce:Pr:LiNbO 3 have been measured. We find that maximum diffraction efficiency of Ce:Pr:LiNbO 3 has increased without at cost of decreasing the erasing time. The effect of doping ions on the optical properties of Ce:Pr:LiNbO 3 crystal as holographic recording media has been studied systematically." @default.
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- W2023232489 date "2003-04-09" @default.
- W2023232489 modified "2023-09-27" @default.
- W2023232489 title "Study on growth and properties of a new holographic storage material: Ce:Pr:LiNO 3 crystal" @default.
- W2023232489 doi "https://doi.org/10.1117/12.510395" @default.
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