Nonvolatile holographic storage in near-stoichiometric Ce：Fe：LiNbO3 crystal
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Department of Photoelectronic Engineering, College of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China
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Corresponding author:
XU Zhao-peng, xuzhaopeng@163.com
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Received Date:
2008-05-10
Accepted Date:
2008-06-13
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Abstract
In order to study nonvolatile holographic storage of near-stoichiometric Ce: Fe: LiNbO3 crystal,the spectrum of near-stoichiometric Ce: Fe: LiNbO3 crystal was tested.The results indicated that the infrared transmission spectra of the near-stoichiometric Ce: Fe:LiNbO3 crystal was narrower than that of congruent Ce:Fe:LiNbO3 crystal.the peak was located at 3466cm-1,and its ultraviolet spectrum shifted forward to violet.With single-photon and two-photon storage methods,nonvolatile
holographic storage of near-stoichiometric Ce:Fe:LiNbO3 crystal was realized in theory and experiment.The results showed that in the single-photon storage experiments,the diffraction efficiency with the presence of mercury lamp became higher than that without mercury lamp.The performance in two-photon storage scheme was better than that in single-photon storage scheme.
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