衍射光波导增强现实近眼显示的关键参数

Key Parameters of Augmented Reality Near-to-Eye Display System Based on Diffractive Waveguide

衍射光波导是目前主流的实现增强现实近眼显示的技术方案,具有眼动范围大、体积小、量产性好等优点。但衍射光波导的一些关键参数的评价指标尚缺乏统一的定义。详细介绍了衍射光波导方案的关键参数和测量方法,通过明确这些关键参数来考察衍射光波导的优势和劣势,从而充分挖掘衍射光波导的技术潜力,实现更好的产品性能。

Diffractive waveguide is a mainstream technical solution to realize augmented reality near-to-eye display,which has the advantages of a large eye-box,light volume,and good mass production.However,unified definitions for the evaluation indexes of some key parameters of diffractive waveguides are still lacking.This work provides a detailed introduction to diffractive waveguide scheme main parameters and measurement methods.The advantages and disadvantages of diffractive waveguides are investigated by clarifying key parameters to maximize their technical potential and improve product performances.