A Thin Wideband Absorber Using Resistive Frequency Selective Surface

被引：0
作者：
Zhou, Peng [1 ]
Huang, Qiulin [1 ]
Lv, Hanying [1 ]
Shi, Xiaowei [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
2019 IEEE MTT-S INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2019) | 2019年
关键词：
Wideband absorber; resistively loaded; frequency selective surface; DESIGN;
D O I：
10.1109/ieee-iws.2019.8803856
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 thin wideband resistively loaded absorber with frequency selective surface (FSS) is presented. A unit cell of the absorber contains a "c" shaped metallic dipole which printed on the substrate, loaded with a lumped resistor in the middle. A PEC ground plane was under the substrate. The substrate material chosen is FR4, having a dielectric constant of 4.4, a loss tangent of 0.02 and a thickness of 1mm. Simulation results show that the absorption coefficient of the proposed structure is greater than 90% from 4.07GHz to 16.54GHz with 121% operating frequency band, while the thickness is less than 8% of the free space wavelength at the lowest operation frequency. In addition, the effects of structure parameters of the unit cell and various incident angles on the absorption properties were analyzed.
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页数：3
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