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Multifunctional metasurface image display enabled by merging spatial frequency multiplexing and near- and far-field multiplexing 融合空频复用和近远场复用的多功能超表面图像显示
Zhou, Yuchong1; Ding, Weijun1; Li, Zile1,2; Liu, Hongchao3; Fu, Rao1; Dai, Qi1,2; Zheng, Guoxing1,2
2023
Source PublicationGuangdian Gongcheng/Opto-Electronic Engineering
ISSN1003-501X
Volume50Issue:8
Abstract

Metasurface can precisely modulate the fundamental properties such as polarization, amplitude, frequency, and phase of optical waves at the subwavelength scale. Based on this background, we propose and experimentally verify a multifunctional metasurface image display technology enabled by merging spatial frequency multiplexing and near- and far-field multiplexing. In near- and far-field multiplexing, the orientation degeneracy of nanostructures is introduced to combine geometric phase modulation and light intensity modulation, which leads to independent coding of near-field grayscale image and far-field holographic image displays by using simulated annealing algorithm. In spatial frequency multiplexing, different spatial frequency components of two images are added together to generate a hybrid image for hologram design. Since people receive different spatial frequency parts when the observation position changes, both high-frequency and low-frequency images can be easily distinguished. In our experiment, three independent images (a grayscale image, a high-frequency image and a low-frequency image) can be displayed simultaneously at different distances, which explains that our multifunctional metasurface has enhanced information storage capacity. This work provides a new path for multifunctional metasurface design, and possesses broad applications in optical encryption, optical anti-counterfeiting, and many other related fields.

KeywordImage Display Metasurface Near- And Far-field Multiplexing Orientation Degeneracy Spatial Frequency Multiplexing
DOI10.12086/oee.2023.230153
URLView the original
Language中文Chinese
PublisherChinese Academy of Sciences
Scopus ID2-s2.0-85172885298
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorDai, Qi; Zheng, Guoxing
Affiliation1.Electronic Information School, Wuhan University, Wuhan, Hubei, 430072, China
2.Peng Cheng Laboratory, Shenzhen, Guangdong, 518055, China
3.Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, 999078, Macao
Recommended Citation
GB/T 7714
Zhou, Yuchong,Ding, Weijun,Li, Zile,等. Multifunctional metasurface image display enabled by merging spatial frequency multiplexing and near- and far-field multiplexing 融合空频复用和近远场复用的多功能超表面图像显示[J]. Guangdian Gongcheng/Opto-Electronic Engineering, 2023, 50(8).
APA Zhou, Yuchong., Ding, Weijun., Li, Zile., Liu, Hongchao., Fu, Rao., Dai, Qi., & Zheng, Guoxing (2023). Multifunctional metasurface image display enabled by merging spatial frequency multiplexing and near- and far-field multiplexing 融合空频复用和近远场复用的多功能超表面图像显示. Guangdian Gongcheng/Opto-Electronic Engineering, 50(8).
MLA Zhou, Yuchong,et al."Multifunctional metasurface image display enabled by merging spatial frequency multiplexing and near- and far-field multiplexing 融合空频复用和近远场复用的多功能超表面图像显示".Guangdian Gongcheng/Opto-Electronic Engineering 50.8(2023).
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