An Ultrathin Compact Polarization-Sensitive Triple-band Microwave Metamaterial Absorber

被引:49
作者
Jain, Prince [1 ]
Singh, Arvind K. [1 ]
Pandey, Janmejay K. [1 ]
Bansal, Shonak [1 ]
Sardana, Neha [2 ]
Kumar, Sanjeev [3 ]
Gupta, Neena [1 ]
Singh, Arun K. [1 ]
机构
[1] Punjab Engn Coll Deemed Univ, Dept Elect & Commun Engn, Chandigarh, India
[2] IIT Ropar, Dept Met & Mat Engn, Ropar, India
[3] Punjab Engn Coll Deemed Univ, Dept Appl Sci, Chandigarh, India
关键词
Metamaterial absorber; ultrathin; triple-band; polarization sensitive; sensor; normalized impedance; WIDE-ANGLE; RESONATORS; DESIGN; SENSOR; RING;
D O I
10.1007/s11664-020-08680-z
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
In this study, an ultra-compact metamaterial absorber (MMA) has been proposed for microwave applications comprising two modified square-shaped resonators printed on a dielectric substrate and terminated by a metallic plane. The proposed MMA exhibits perfect absorption at 3.36 GHz, 3.95 GHz and 10.48 GHz, covering S- and X-band applications. The absorber is ultra-compact (0.112 lambda) in size and ultra-thin (0.018 lambda) in thickness at the lowest resonating frequency. The normalized impedance, constitutive electromagnetic parameters, electric field and surface current distribution have been studied to understand the physical mechanism of the triple-band absorption. Furthermore, the absorber is analyzed with different polarization and incident angles for transverse electric waves. The proposed MMA has been experimentally demonstrated to verify the results obtained from simulations. Moreover, the effect of over-layer thickness is investigated to examine the sensing application of the absorber.
引用
收藏
页码:1506 / 1513
页数:8
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