A Tunable K-Band Reflector

被引：4
|
作者：
Kohlberger, Christoph [1 ]
Kearns, Andrew [1 ]
Stelzer, Andreas [2 ]
机构：
[1] Silicon Austria Labs GmbH, Res Unit Millimeter Wave Technol, A-4040 Linz, Austria
[2] Johannes Kepler Univ Linz, A-4040 Linz, Austria
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 02期
关键词：
Active metamaterial; frequency selective surface; lumped elements; reflect array; tunable reflector;
D O I：
10.1109/LAWP.2022.3210225
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：
This letter presents a concept for a surface exhibiting tunable reflectivity that operates within the K-band using varactor diodes. Thereby, the impedance of a two-layer metasurface is controlled through lumped components at its back side and not at the front, where discrete elements would scatter the incident wave. A reflector's design, verification, and modeling through an equivalent circuit as well as full-wave simulations are presented in detail. Finally, the tunable reflection parameters of the surface as well as its reflection beam pattern under different biasing conditions are shown.
引用
收藏
页码：328 / 332
页数：5
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