A retinal-scanning-based near-eye display with diffractive optical element

被引：4
|
作者：
Mi, Lantian [1 ]
Chen, Chao Ping [1 ]
Zhang, Wenbo [1 ]
Chen, Jie [1 ]
Liu, Yuan [1 ]
Zhu, Changzhao [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Smart Display Lab, Shanghai, Peoples R China
来源：
OPTICAL ARCHITECTURES FOR DISPLAYS AND SENSING IN AUGMENTED, VIRTUAL, AND MIXED REALITY (AR, VR, MR) | 2020年 / 11310卷
基金：
中国国家自然科学基金;
关键词：
augmented reality; near-eye display; retinal scanning; laser scanning; diffractive optical element; DESIGN; REALITY;
D O I：
10.1117/12.2546941
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We propose a design of a retinal-scanning-based near-eye display for augmented reality. Our solution is highlighted by a laser scanning projector, a diffractive optical element, and a moist eye with gradient refractive indices. The working principles related to each component are comprehensively studied. Its key performance is summarized as follows. The field of view is 122 degrees, angular resolution is 8.09', diffraction efficiency is 57.6%, transmittance is 80.6%, uniformity is 0.91, luminance is 323 cd/m(2), modulation transfer functions are above 0.99999 at 3.71 cycle/degree, contrast ratio is 4878, and distortion is less than 24%.
引用
收藏
页数：11
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