液晶与显示2024，Vol.39Issue(6)：735-742,8.DOI:10.37188/CJLCD.2024-0095
对称折射率分布的液晶菲涅耳透镜的仿真研究
Simulation of liquid crystal Fresnel lens with symmetrical refractive index distribution
摘要
Abstract
In this paper,a large aperture liquid crystal Fresnel lens with a diameter of 16 mm is designed.The liquid crystal lens is divided into a central part and 13 Fresnel sidelobes,each of which has the same optical path difference.The structure design and simulation of liquid crystal Fresnel lens are studied.The power electrode is not a complete ring electrode,and the coupling electrode is a complete ring electrode.The non-complete ring electrode is aligned with the complete ring electrode,and the drive signal is transmitted by capacitive coupling to avoid the lead through the hole,which can reduce the difficulty of making liquid crystal lens.A high resistance film with low block resistance is designed in the liquid crystal lens,which can not only shield the crosstalk effect produced by the lead electrode,but also play the role of uniform voltage drop.By adjusting the voltage,the focal power varies from-1 D to+1 D.Liquid crystal Fresnel lens can form a circular symmetric refractive index distribution,and the deviation from the ideal optical path difference is less than λ/4,which satisfies the Rayleigh judgment.关键词
液晶菲涅耳透镜/大孔径/电容耦合/引线串扰/仿真研究Key words
liquid crystal Fresnel lens/large aperture/capacitive coupling/lead crosstalk/simulation study分类
数理科学引用本文复制引用
张广翔,于涛,刘永辉,梁缓缓..对称折射率分布的液晶菲涅耳透镜的仿真研究[J].液晶与显示,2024,39(6):735-742,8.基金项目
国家自然科学基金(No.12004063)Supported by National Natural Science Foundation of China(No.12004063) （No.12004063）
