Metasurface-based Polarization Insensitive Absorber for C, X, Ku and K bands Applications

被引：0
|
作者：
Zarin, Syed Wahab [1 ]
Ahmed, Afzal [1 ]
Tahir, Farooq A. [1 ]
机构：
[1] Natl Univ Sci & Technol NUST, Res Inst Microwave & Millimeter Wave Studies, Islamabad, Pakistan
来源：
2019 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP 2019) | 2019年
关键词：
absorber; metasurface; polarization insensitive;
D O I：
暂无
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 paper presents a metasurface-based multiband absorber in microwave frequency regime. The proposed metasurface absorbs electromagnetic (EM) waves in four different frequency bands: C-Band (7.75 - 7.88 GHz), X-band (11.084 - 11.183 GHz), Ku Band (13.99 - 14.22 GHz) and Ka Band (18.185 - 18.993 GHz). The unit cell of the periodic metasurface consists of a metallic star-shaped structure printed on 2.4mm thick FR4 substrate backed by a metallic ground plane. The full-wave numerical results show that absorption efficiencies are above 90% in all frequency bands. The C4-symmetry of the unit cell makes the response of metasurface exactly same for both x- and y-polarized incident waves.
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页数：3
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