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Browsing by Author "Lo, Feng-Hsiang"

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    Gray apertures for holographic data storage system
    (2008-07-01)
    Tarng, Jenn-Hwan
    ;
    Tseng, Chien-Fu
    ;
    Lin, Chip-Ming
    ;
    Lo, Feng-Hsiang
    ;
    電信工程研究所
    In this paper, we propose the idea of gray optical apertures in contrast to the conventional binary apertures for holographic data storage (HDS). A gray aperture can be realized by a liquid crystal display or a binary aperture with a coating near the edge. In our simulation, HDS with a gray aperture shows a better page signal-to-noise ratio and modeling accuracy than HDS using a binary aperture.