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Phase-encoded computer-generated-hologram implemented with liquid crystal television

机译:用液晶电视实现的相位编码计算机生成全息图

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摘要

The advantages of phase-encoded computer-generated-hologram (CGH) are high diffraction efficiency and the ability to reconstruct images on-axis. These advantages are very fundamental and important for many applications. The implementation of phase-encoded CGH by using electrical-addressable liquid crystal television (LCTV) with pure phase-modulation provides the ability for programmable optical interconnections, optical neural systems, optical switches etc. In this paper we adopt the iterative Fourier transform algorithm to design a pure phase CGH. We also report the modulation characteristics of LCTV and its application for displaying the phase-encoded CGH. Criterions for evaluating the quality of output images are proposed.
机译:相位编码的计算机生成全息图(CGH)的优点是衍射效率高,并且具有在轴上重建图像的能力。这些优点对于许多应用程序来说都是非常基础的,并且非常重要。通过使用具有纯相位调制的电寻址液晶电视(LCTV)来实现相位编码CGH,为可编程光学互连,光学神经系统,光学开关等提供了能力。在本文中,我们采用迭代傅立叶变换算法设计纯相CGH。我们还报告了LCTV的调制特性及其在显示相位编码CGH中的应用。提出了用于评估输出图像质量的标准。

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