增强现实显示衍射光波导的设计

刘明欢; 付秀华; 王菲; 唐健; 冯东洋; 刘风雷

doi:10.37188/CJLCD.2020-0214

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增强现实显示衍射光波导的设计

器件物理及器件制备技术 | 更新时间：2021-03-23

- 增强现实显示衍射光波导的设计
- Design of augmented reality display diffraction optical waveguide
- 液晶与显示 2021年36卷第3期页码：389-397
- 作者机构：
  
  1.长春理工大学光电工程学院, 吉林长春 130022
  2.浙江水晶光电科技股份有限公司中央研究院, 浙江台州 318015
- 作者简介：
  
  [ "刘明欢(1990-)男, 吉林公主岭人, 博士, 2018年于中国科学院大学长春光学精密机械与物理研究所获得博士学位, 主要从事全息液晶/聚合物光栅、全息偏振光栅及增强现实显示等方面的研究。E-mail: liuminghuan13@mails.ucas.edu.cn" ]
- 基金信息：
  
  军委科技委基础加强重点项目(2019-JCJQ-ZD-320-00);国家自然科学基金重点项目(U1937201)
- DOI：10.37188/CJLCD.2020-0214
  中图分类号： O753.2;TP217
- 收稿日期：2020-08-25，
  
  录用日期：2020-10-17，
  
  纸质出版日期：2021-03
- 稿件说明：
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刘明欢, 付秀华, 王菲, 等. 增强现实显示衍射光波导的设计[J]. 液晶与显示, 2021,36(3):389-397.

Ming-huan LIU, Xiu-hua FU, Fei WANG, et al. Design of augmented reality display diffraction optical waveguide[J]. Chinese journal of liquid crystals and displays, 2021, 36(3): 389-397.
刘明欢, 付秀华, 王菲, 等. 增强现实显示衍射光波导的设计[J]. 液晶与显示, 2021,36(3):389-397. DOI： 10.37188/CJLCD.2020-0214.

Ming-huan LIU, Xiu-hua FU, Fei WANG, et al. Design of augmented reality display diffraction optical waveguide[J]. Chinese journal of liquid crystals and displays, 2021, 36(3): 389-397. DOI： 10.37188/CJLCD.2020-0214.

摘要

提出了在波矢

空间中设计衍射光波导片的相关理论，系统仿真并研究了光线波长、光栅周期、光栅时钟角、波导基底折射率以及波导基底折射率色散对衍射光波导视场角以及相关设计参数的影响。设计结果表明，当使用宽光谱光源时，光谱带边缘波长的视场存在切割，对显示效果影响不大，衍射光波导片适用于宽光谱光源。波导基底折射率色散对衍射光波导设计的影响可以忽略。时钟角为40-270-140时，各个光栅区域位置及尺寸合适，适合于实际加工。本工作对衍射光波导的设计提供了积极的指导和借鉴。

Abstract

A design theory was demonstrated to design diffraction optical waveguides in wave-vector space. Systematic simulations were performed to investigate relationships among wavelength

grating period

clocking angle

waveguide substrate refractive index

dispersion to field of view and related parameters. Simulation results showed that light sources with broad bandwidth showed little effect on the design results because of the acceptable result of the edge wavelength FOV cutting. The dispersion of waveguide substrate showed negligible effect on diffraction optical waveguides. It is easy to manufacture to choose 40-270-140 clock-angle in design because of the suitable dimensions and positions of grating areas. The results in this work provide positive guides to design diffraction optical waveguides.

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Keywords

references

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