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首页> 外文期刊>Japanese journal of applied physics >Full Phase Encoding For Digital Holographic Encryption Using Liquid Crystal Spatial Light Modulators
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Full Phase Encoding For Digital Holographic Encryption Using Liquid Crystal Spatial Light Modulators

机译:使用液晶空间光调制器进行数字全息加密的全相位编码

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摘要

This work describes a full phase encoding technique for digital holographic encryption based on liquid crystal spatial light modulators, which are operated in the phase modulation mode to perform the phase-encoding object and the double random phase key masks for optical Fresnel encryption. The architecture of four-step phase-shifting digital holography is used to generate the double key holograms for implementing the encryption and decryption. Experimental results show the feasibility of the full phase encoding encryption with double keys for high-data-security properties. The proposed encryption system with electrically addressed spatial light modulators provides the flexibility of the key mask design by on-line processing.
机译:这项工作描述了一种基于液晶空间光调制器的数字全息加密全相位编码技术,该技术在相位调制模式下运行以执行相位编码对象和光学菲涅耳加密的双随机相位密钥掩码。四步相移数字全息的体系结构用于生成双密钥全息图,以实现加密和解密。实验结果表明,使用双密钥进行全阶段编码加密具有高数据安全性的可行性。所提出的具有电寻址的空间光调制器的加密系统通过在线处理提供了密钥掩模设计的灵活性。

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