Photorefractive Zn:Fe:LiNbO3 crystal for volume holographic storage application

Jian Zhao; Jiangang Wang; Qingsheng He; Minxian Wu; Guofan Jin

doi:10.1117/12.483356

17 September 2002 Photorefractive Zn:Fe:LiNbO₃ crystal for volume holographic storage application

Jian Zhao, Jiangang Wang, Qingsheng He, Minxian Wu, Guofan Jin

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483356
Event: Photonics Asia, 2002, Shanghai, China

Abstract

For the application of volume holographic storage with large capacity and high density, the performance of Zn:Fe:LiNbO₃ crystal is studied. Through the study of the absorption spectra and the diffractive efficiency curve of samples with various doping concentrations and oxidation/reduction treatment, some important properties are derived and analyzed in this paper. We find that Zn:Fe:LiNbO₃ crystal has better performance for volume holographic stroage, such as high diffractive efficiency, short response time, broad angle range for multiplexing, and high photo-scattering resistance. The recording schedule for multiplexing holograms with equal diffractive efficiency is also deduced. On the basis of these results, five hundred volume holographic pages, each containing 1024×768 pixels and having same diffractive efficiency, are stored and read out in a common volume of Zn:Fe:LiNbO₃ by using the 90° geometry and angle multiplexing. By improving the multiplexing technology and choosing proper samples, we can realize larger capacity and higher density.

Citation Download Citation

Jian Zhao, Jiangang Wang, Qingsheng He, Minxian Wu, and Guofan Jin "Photorefractive Zn:Fe:LiNbO₃ crystal for volume holographic storage application", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483356

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