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Holographic Data Storage Media Employing Phase-Change Reflector

机译:使用相变反射器的全息数据存储介质

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摘要

We have proposed a novel structure of holographic data storage media, employing a phase-change (PC) reflector for optical disc applications. The PC layer, which is initially amorphous and has a low reflectivity in a write process, works as an absorber and inhibits reflected stray beam exposure. After the write process, the PC layer is crystallized and its reflectivity is switched to a high state, realizing a sufficient signal beam intensity in a read process. Experimental results show a low noise and a high signal-to-noise ratio, and a potential to have a large multiplexing number in the PC reflector.
机译:我们已经提出了一种全息数据存储介质的新颖结构,该结构将相变(PC)反射器用于光盘应用。 PC层最初是非晶态的,并且在写入过程中具有低反射率,它充当吸收剂并抑制反射的杂散束曝光。在写入过程之后,PC层结晶并且其反射率切换到高状态,从而在读取过程中实现了足够的信号束强度。实验结果表明,低噪声和高信噪比以及在PC反射器中具有大复用数的潜力。

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