Dual-band bandpass filter using composite metamaterial resonator

被引：3
|
作者：
Jin, Yu-Ting [1 ]
Si, Li-Ming [1 ]
Zhang, Qing-Le [1 ]
Wu, Yu-Ming [1 ]
Lv, Xin [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing Key Lab Millimeter Wave & Terahertz Techn, Beijing 100081, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2016年 / 30卷 / 07期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Dual-band; bandpass filter; metamaterial; MODEL; COMPACT; DESIGN; PLANAR;
D O I：
10.1142/S0217984916500792
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A dual-band bandpass filter at X-band is proposed using composite rnetarnaterial resonator consisting of an outer square closed-ring resonator (SCRR) and two inner electric inductance capacitance (ELC) resonators. Numerical simulation and microwave measurement reveal that the filter exhibits two passbands centered at 8.76 GHz and 1-1.04 G Hz, with 3 dB bandwidths of-130 MHz and 290 MHz, respectively. The complex dispersion relation of the filter is further derived based on the effective medium theory, where two balanced composite right-/left-handed bands are found, i.e. lines exhibiting two left-handed and two right-handed bands alternating. The proposed filter may find useful in dual-banal or multi-band wireless communication Systems.
引用
收藏
页数：7
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