Tunable negative refractive index metamaterial phase shifter

被引：19
|
作者：
He, P. [1 ]
Parimi, P. V. [1 ,2 ]
He, Y. [1 ]
Harris, V. G. [1 ]
Vittoria, C. [1 ]
机构：
[1] Northeastern Univ, Dept Elect & Comp Engn, Ctr Microwave Magnet Mat & Integrated Circuits, Boston, MA 02115 USA
[2] Northeastern Univ, Dept Phys, Boston, MA 02115 USA
来源：
ELECTRONICS LETTERS | 2007年 / 43卷 / 25期
关键词：
D O I：
10.1049/el:20072451
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：
A tunable compact phase shifter utilising negative refractive index metamaterial is demonstrated. The negative index metamaterial is composed of a periodic copper wire pattern sandwiched between two slabs of high quality yttrium iron garnet films. Near ferrimagnetic resonance, a phase shift tuning of 160 degrees/kOe is achieved at 24 GHz. The insertion loss varies from 4 to 7 dB for a 1 cm-long composite.
引用
收藏
页码：1440 / 1441
页数：2
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