Low Loss MEMS-Reconfigurable 1-Bit Reflectarray Cell With Dual-Linear Polarization

被引：91

作者：

Debogovic, Tomislav ^{[1
]}

Perruisseau-Carrier, Julien ^{[2
]}

机构：

[1] Univ Zagreb, Fac Elect Engn & Comp, Zagreb 41000, Croatia

[2] Ecole Polytech Fed Lausanne, Grp Adapt Micronano Wave Syst, CH-1015 Lausanne, Switzerland

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 10期

基金：

瑞士国家科学基金会;

关键词：

Beamscanning; dual-polarization; metasurface; micro-electromechanical systems (MEMS); reconfigurable antenna; reflectarray (RA); RF MEMS; DESIGN; ANTENNA;

D O I：

10.1109/TAP.2014.2344100

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：

We present a X-band 1-bit reconfigurable reflectarray (RRA) cell capable of independent reflection phase control of each linear component of a dual-polarized wave. It presents the lowest loss ever reported in an operational RRA cell at microwave frequencies, thanks to particular design considerations and implementation in a monolithic micro-electromechanical systems (MEMS) process. The average reflection loss, including oblique incidence up to theta = 40 degrees, is below 0.6 dB at the operating frequency. Low phase error and loss are preserved in a 12.5% bandwidth. Measurements demonstrate the viability of the concept as well as very good agreement between simulated and measured results.

引用

页码：5055 / 5060

页数：6

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