8 May 2015 Read-out optical schemes for holographic memory system based on multiplexed computer generated 1D Fourier holograms
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Abstract
Computer holographic synthesis allows to significantly simplify the recording scheme of microholograms in holographic memory system as the classic high precision holographic setup based on two-beam interference is removed by simple scale reduction projection scheme. Application of computer generated 1D-Fourier holograms provides the possibility of selective reconstruction of the multiplexed holograms with different orientation of data lines by corresponding rotation of anamorphic objective (cylindrical lens), used in the read-out systems. Two configurations of read-out optical scheme were investigated by our team: full-page scheme and line-by-line scheme. In the present article we report the specificities of these schemes and consider their advantages and disadvantages. The results of experimental modeling of both read-out configurations are also presented.
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Sergey S. Donchenko, Sergey S. Donchenko, Sergey B. Odinokov, Sergey B. Odinokov, Vladimir I. Bobrinev, Vladimir I. Bobrinev, Alexandr Y. Betin, Alexandr Y. Betin, Evgenie Y. Zlokazov, Evgenie Y. Zlokazov, "Read-out optical schemes for holographic memory system based on multiplexed computer generated 1D Fourier holograms", Proc. SPIE 9508, Holography: Advances and Modern Trends IV, 95080A (8 May 2015); doi: 10.1117/12.2178792; https://doi.org/10.1117/12.2178792
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