Dual-Mode Liquid Crystal Microlens Arrays for Chaotic Encryption
Dual-Mode Liquid Crystal Microlens Arrays for Chaotic Encryption
复制标题
用于混沌加密的双模液晶微透镜阵列
DOI：
10.1142/s0218127416502096
复制
发表时间：
2016-11
影响因子：
2.2
通讯作者：
Xie Changsheng
中科院分区：
文献类型：
--
作者：
Fan Di;Wang Cheng;Tong Qing;Lei Yu;Zhang Xinyu;Sang Hongshi;Wang Haiwei;Xie Changsheng
基于我们以前在电驱动液晶微透镜方面的工作，我们提出了一种新型的用于混沌加密的双模液晶微透镜阵列(DLCMA)。目前，我们研制的DLCMAs由两层控制电极构成的上电极对和下平面电极组成。铝和氧化铟锡(ITO)材料分别沉积在玻璃基板的两侧，用于成形顶部电极对，作为DLCMAS中关键的模式控制部件。另一层ITO层沉积在另一玻璃基板的表面上，用于成形底部公共电极。这两个具有预制电极结构的玻璃基板耦合到一个由一层向列相液晶材料填充的微腔中。本文提出的DLCMA通过加载相对较低的驱动电压信号，表现出优异的光束发散和光会聚性能。实验证明了这些器件的共同光学性质，从而得到了一种混沌光束光调制器或用于功能部件间混沌光耦合的光强调节装置。
Based on our previous works on liquid crystal (LC) microlenses driven electrically, we present a new type of dual-mode liquid crystal microlens arrays (DLCMAs) for chaotic encryption applications. Currently, the DLCMAs developed by us consist of a top electrode couple constructed by two layers of controlling electrode and a bottom planar electrode. Aluminium and Indium-Tin Oxide (ITO) materials are respectively deposited over both sides of a glass substrate for shaping the top electrode couple, which is used to act as a key mode-control-part in the DLCMAs. Another ITO layer is deposited over the surface of another glass substrate for shaping the bottom public electrode. Both glass substrates with fabricated electrode structures are coupled into a microcavity fully filled by a layer of nematic liquid crystal materials. The DLCMAs proposed in this paper present excellent beam divergence and light convergence performances through loading relatively low driving voltage signals. The common optical properties of the devices, leading to a type of optical modulator of chaotic beams or light intensity adjustment devices for chaotic light coupling between functioned components, are demonstrated experimentally.
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