High-efficiency wavefront manipulation of transmission and reflection terahertz wave based on vanadium dioxide integrated metasurface

被引：1
作者：
Su, Xue [1 ]
Huang, Yanhu [1 ]
Chen, Tiejun [1 ]
机构：
[1] Yulin Normal Univ, Guangxi Coll & Univ Key Lab Complex Syst Optimizat, Yulin 537000, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2024年 / 21卷 / 08期
关键词：
metasurface; transmission mode; reflection mode; vanadium dioxide; wavefront manipulation; CONVERSION; LIGHT; LENS;
D O I：
10.1587/elex.21.20240105
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A metasurface which can realize switching between transmission and reflection modes by changing temperature is proposed. The metasurface consists of a dielectric layer and two metal layers with an extremely low profile. At low temperature, it can convert the incident circularly polarized wave into an orthogonal polarization wave; while at high temperature, the incident circularly polarized wave will be completely reflected and keep the same polarization. By appropriately arranging the unit cell structure, a full space focusing lens is realized at 1.0 THz. This work provides a new idea for designing full-space metasurfaces, which has great potential value in the fields of reconfigurable and dynamically controllable device design.
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页数：6
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