Compensation for pixel-mismatch errors in shift-multiplexed holographic data storage
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Sungphil Kim1, Seok Ho Song, Jideog Kim
1Department of Physics, Hanyang University, Seoul 133-791, South Korea.
Optics Letters
|April 19, 2005
Abstract:
To read out correct data from shift-multiplexed holographic data storage, we propose a novel method of pixel matching by use of a tiny plane-parallel refraction plate placed in the path of converging readout beams. Tilting the refraction plate produces a shift in the lateral position of the readout beam incident upon the holographic storage disk, leading to compensation for pixel-mismatch errors by an improvement in bit-error rate of 3 orders of magnitude.
