单片式全息波导双色显示优化设计  

Optimized Design of Single-Plate Dual-Color Holographic Waveguide Display

作　　者：李瑞华 康明武 高阳[1,2] 谢意 相广鑫[1,2] LI Rui-hua;KANG Ming-wu;GAO Yang;XIE Yi;XIANG Guang-xin(Science and Technology on Electro-Optic Control Laboratory,Luoyang 471000,China;Luoyang Institute of Electro-Optic Equipment,AVIC,Luoyang 471000,China)

机构地区：[1]光电控制技术重点实验室,河南洛阳471000 [2]中国航空工业集团公司洛阳电光设备研究所,河南洛阳471000

出　　处：《电光与控制》2019年第2期89-92,共4页Electronics Optics & Control

基　　金：航空科学基金(20165168007)

摘　　要：彩色全息波导显示通常采用复杂的多层光栅耦合或多层波导组合的结构,导致系统的重量和体积较大。针对该问题,提出了一种单片式、单层光栅双色全息波导显示构型,该构型采用三组光栅实现光线的输入、输出及出瞳的二维扩展,并通过严格耦合波理论(RCWA)对光栅槽型和光栅膜系进行了优化设计,使该构型在较大视场范围内实现对红、绿两种色光较好的均匀显示。Full-color holographic waveguide display usually adopts the complex coupling structure of multilayer gratings or the combined structure of multi-layer waveguide,which results in heavy weight and large volume of the system.To solve this problem,a configuration of dual-color holographic waveguide display with single plate and mono-layer grating is proposed.This configuration adopts three gratings to realize the input and output of the light and the two-dimensional expansion of the exit pupil.To display the red and green color with a better uniformity in the wide field of view,the shape and films of grating are designed and optimized by using the theory of Rigorous Coupled-Wave Analysis (RCWA).

关 键 词：全息波导 双色显示 单片式 光栅设计 

分 类 号：V271.4[航空宇航科学与技术—飞行器设计]