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Numerical evaluation of angular multiplexing in reflection-type holographic data storage in photopolymer with shrinkage

机译:收缩型光敏聚合物在反射型全息数据存储中角复用的数值评估

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摘要

We evaluate numerically the effect of shrinkage of photopolymer on the bit error rate or signal-to-noise ratio in a reflection-type holographic data storage system with angular multiplexing. In the evaluation, we use a simple model where the material is divided into layered structures and then the shrinkage rate is proportional to the intensity in each layer. We present the effectiveness of the proposed model from the experimental results in the recording of the plane waves both in a transmission-type hologram and a reflection-type one. Several kinds of shrinkage rates are used to evaluate the characteristics of angular multiplexing in the reflection-type holographic memory.
机译:我们用角度多路复用技术在反射型全息数据存储系统中,通过数值评估了光聚合物收缩对误码率或信噪比的影响。在评估中,我们使用简单的模型,将材料分为分层结构,然后收缩率与每一层的强度成正比。我们从透射波全息图和反射波全息图中记录平面波的实验结果中,提出了所提出模型的有效性。几种收缩率用于评估反射型全息存储器中的角度复用特性。

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