具有计算图像增强功能的混合元光学紧凑型增强现实显示器

IF 6.7 1区物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Photonics Pub Date : 2024-09-06 DOI:10.1021/acsphotonics.4c00989

Qikai Chen, Jiacheng Zhou, Sijie Pian, Jingang Xu, Xingyi Li, Bihua Li, Chentao Lu, Zhuning Wang, Qi Jiang, Shanhe Qin, Hantao Zhan, Benhao Zhang, Xu Liu, Kaiwei Wang, Yaoguang Ma

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引用次数: 0

摘要

减小投影透镜的尺寸、重量和离轴畸变等设计难题往往会对眼镜等增强现实（AR）设备的微型化造成障碍。在这里，我们展示了一种基于元/折射混合透镜（MRL）的 AR 投影显示器，该显示器采用 MicroLED 照明。该紧凑型系统具有商业化能力，入口瞳孔直径为 3.2 毫米，总轨道长度（TTL）小于 7.7 毫米，在 30° 视场（FoV）范围内实现了卓越的分辨率和最小的离轴畸变（失真< 2%）。AR 玻璃结果还采用了一个由硬件启发的校正神经网络，具有明显的点扩散函数（PSF）功能。光源的预卷积进一步修正了残余系统像差，提高了 AR 图像质量。使用这种计算增强方法进行的实验表明，该方法与地面实况的相似度有所提高，从而验证了其在提高紧凑型 AR 设备良品率方面的可靠性和可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Hybrid Meta-Optics Enabled Compact Augmented Reality Display with Computational Image Reinforcement

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Hybrid Meta-Optics Enabled Compact Augmented Reality Display with Computational Image Reinforcement

Design challenges in reducing the size, weight, and off-axis aberrations of projection lenses often pose obstacles to the miniaturization of augmented reality (AR) devices like glasses. Here, we present a meta/refractive hybrid lenses (MRL)-based AR projection display illuminated with a MicroLED. The compact system features commercial ability with an entrance pupil diameter of 3.2 mm and a total track length (TTL) less than 7.7 mm, achieving superior resolution and minimal off-axis aberrations with distortion < 2% across a 30° field of view (FoV). The AR glass result also incorporates a hardware-inspired correction neural network with an apparent point-spread-function (PSF) feature. A predeconvolution from light source further corrects the residual system aberration, reinforcing AR image quality. Experiments with this computational enhancement method demonstrate a promoted similarity to the ground truth, validating its reliability and feasibility in increasing the yield rate of compact AR devices.

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来源期刊

ACS Photonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

11.90

自引率

5.70%

发文量

438

审稿时长

2.3 months

期刊介绍： Published as soon as accepted and summarized in monthly issues, ACS Photonics will publish Research Articles, Letters, Perspectives, and Reviews, to encompass the full scope of published research in this field.