摘 要：文章综述了以传统光学透镜为主和以光波导元件为主的近眼显示设备，前者结构简单，但最终实现较小的视场角 并且设备体积较大；后者使用光波导元件作为近眼显示设备，扩大眼动范围，使用扩瞳技术提升场视角，得到了成像质量更好的 图像。为了提升用户的沉浸式体验感，将全息技术和近眼显示技术相结合，实现动态三维显示，并提出了基于计算全息技术应用 于近眼显示设备所面临的技术挑战。
关键词：增强现实技术；光波导；计算全息；近眼显示；出瞳扩展
DOI:10.19850/j.cnki.2096-4706.2021.21.010
中图分类号：TP391.9；O436 文献标识码：A 文章编号：2096-4706（2021）21-0041-04
Recent Advances in Augmented Reality Related Technologies
ZHU Feifan, TAN Zhongwei
(Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China)
Abstract: This paper summarizes the near eye display equipment based on traditional optical lens and optical waveguide element. The former has simple structure, but finally realizes small field angle and has a large volume; the latter uses the optical waveguide element as the near eye display device to expand the eye movement range, and uses the mydriasis technology to improve the field angle of view,so as to obtain an image with better imaging quality. In order to improve the user’s immersive experience, holographic technology and near eye display technology are combined to realize dynamic three-dimensional display, the technical challenges of applying computergenerated hologram technology to near eye display devices are put forward.
Keywords: augmented reality technology; optical waveguide; computer-generated hologram ; near eye display; exit pupil expansion
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作者简介：朱非凡（1997—），女，汉族，河南漯河人，硕士研究生在读，主要从事增强现实近眼显示的研究；通讯作者：谭中伟（1978—），男，汉族，河南信阳人，博士，教授，主要从事光纤通信、光纤传感和光信息处理方面的研究。