From Far-Field to Near-Field: Terahertz Wavefront Control with Metasurface

被引：1

作者：

Zhang Ying ^{[1
]}

Ba Lingli ^{[2
]}

Yang Quanlong ^{[2
]}

Han Jiaguang ^{[3
,4
]}

机构：

[1] Yunnan Normal Univ, Inst Phys & Elect Informat, Kunming 650500, Yunnan, Peoples R China

[2] Cent South Univ, Sch Phys & Elect, Changsha 417100, Hunan, Peoples R China

[3] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China

[4] Guilin Univ Elect Technol, Sch Optoelect Engn, Guilin 541004, Guangxi, Peoples R China

来源：

LASER & OPTOELECTRONICS PROGRESS | 2023年 / 60卷 / 18期

关键词：

terahertz; metasurface; wavefront control; surface wave; DIELECTRIC METASURFACES; PHASE; POLARIZATION; GENERATION; METAMATERIALS; METALENS; LENSES; BEAMS;

D O I：

10.3788/LOP231640

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：

Terahertz, one of the cutting-edge research hotspots in electromagnetic waves, shows enormous application prospects in communication, radar, and biochemical detection and so on. The emergence and development of artificial electromagnetic materials, especially metasurface, provide a new avenue for efficient wavefront control at terahertz frequency. We elaborate on the relevant works of terahertz metasurface for wavefront control from the perspective of the spatial distribution of the terahertz electromagnetic field. We discuss various design details and application scenarios of terahertz far-field and near-field wavefront control and provide the development prospects of terahertz metasurface wavefront control in the future, which provide new ideas for the study of terahertz wavefront control.

引用

页数：18

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