Limit of Angular Compensation Method for Recording Material Shrinkage Effect in Off-Axis Holographic Storage System

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概要

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• For an off-axis holographic data storage system using a plane-wave reference beam and angular multiplexing recording, we define $\alpha_{\text{lim}}$ to show the limit of material thickness shrinkage, which is compensable by shifting the read reference beam angle with a mount of $\Delta\theta$ to prevent the bright pixel intensity of the reconstructed image from becoming lower than a specific threshold $I_{\text{th}}$. In this work, we systematically analyzed the characteristics of $\alpha_{\text{lim}}$ and corresponding $\Delta\theta$ for different recording parameters by the first Born approximation of the scalar diffraction theory.

• 2010-08-25

著者

• Lin Chih-Ming

  Department of Applied Science, National Taitung University, Taitung 950, Taiwan

• Lan Yung-Sung

  Electronics and Optoelectronics Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan

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