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

页码：328 / 332

页数：5

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