EM Metasurfaces

被引：7

作者：

Grbic, Anthony ^{[1
]}

Maci, Stefano ^{[2
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

[2] Univ Siena, Dept Informat Engn & Math, I-53100 Siena, Italy

来源：

IEEE ANTENNAS AND PROPAGATION MAGAZINE | 2022年 / 64卷 / 04期

关键词：

ELECTROMAGNETIC-FIELDS; FLAT OPTICS; POWER-FLOW; WAVE-FRONT; SURFACES; GAIN; DESIGN; SCALAR; PLATES; PHASE;

D O I：

10.1109/MAP.2022.3178924

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：

Metasurfaces (MTSs) [1], [2], [3], [4], [5] are the surface equivalent of metamaterials (MTMs): arti?cial materials composed of subwavelength inclusions embedded in a host medium tailored to exhibit unconventional electromagnetic (EM) properties. In contrast to MTMs, which are characterized in terms of homogenized material parameters, the EM responses of MTSs are often characterized by homogenized boundary conditions (BCs). MTSs can be designed to exhibit abrupt amplitude and phase discontinuities to perform extreme wavefront transformations. Classical "surface EMs" [3] took on fresh and exciting research directions with MTSs, revealing fascinating phenomena and new applications.

引用

页码：16 / 22

页数：5

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