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Augmented reality near-eye display using Pancharatnam-Berry phase lenses

机译:使用Pancharatnam-Berry相位透镜的增强现实近眼显示器

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摘要

An augmented reality (AR) near-eye display using Pancharatnam-Berry (PB) phase lenses is proposed. PB phase lenses provide different optical effects depending on the polarization state of the incident light. By exploiting this characteristic, it is possible to manufacture an AR combiner with a small form factor and a large numerical aperture value. The AR combiner adopted in the proposed system operates as a convex lens for right-handed circularly polarized light and operates as transparent glass for left-handed circularly polarized light. By merging this combiner with a transparent screen, such as diffuser-holographic optical elements (DHOEs), it is possible to make an AR near-eye display with a small form factor and a wide field of view. In addition, the proposed AR system compensates the chromatic aberration that occurs in PB phase lens by adopting three-layered DHOEs. The operating principle of the proposed system is covered, and its feasibility is verified with experiments and analysis.
机译:提出了使用Pancharatnam-Berry(PB)相位透镜的增强现实(AR)近眼显示器。 PB相位透镜根据入射光的偏振态提供不同的光学效果。通过利用该特性,可以制造具有小的形状因子和大的数值孔径值的AR组合器。在所提出的系统中采用的AR合成器用作右旋圆偏振光的凸透镜,并且用作左旋圆偏振光的透明玻璃。通过将该合成器与诸如漫射全息光学元件(DHOE)之类的透明屏幕合并,可以制造出具有小外形尺寸和宽视场的AR近眼显示器。另外,所提出的AR系统通过采用三层DHOE来补偿在PB相位透镜中出现的色差。涵盖了所提出系统的工作原理,并通过实验和分析验证了其可行性。

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