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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50985


    Title: Increase of signal-to-noise ratio of a collinear holographic storage system with reference modulated by a ring lens array
    Authors: Yu,YW;Chen,CY;Sun,CC
    Contributors: 光電科學與工程學系
    Keywords: VOLUME HOLOGRAMS;SPREAD FUNCTION
    Date: 2010
    Issue Date: 2012-03-27 18:14:37 (UTC+8)
    Publisher: 國立中央大學
    Abstract: We propose an approach of a reference modulation in a collinear holographic storage system to increase the signal-to-noise ratio (SNR). We derive a solution that shows that the point-spread function is related to the autocorrelation function of the reference pattern times a defocusing phase term. Accordingly, the lens-array phase modulation is proposed and demonstrated theoretically. The SNR of the system can be dramatically enhanced to 63.2, rather than 2.3 in the traditional approach. (C) 2010 Optical Society of America
    Relation: OPTICS LETTERS
    Appears in Collections:[光電科學與工程學系] 期刊論文

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