Design of a Novel Ultra Broadband Single-Layer Absorber Using Double Fractal Square Loops

被引：0
|
作者：
Basravi, M. [1 ]
Maddahali, M. [1 ]
Firouzeh, Z. H. [1 ]
Ramezani, A. [1 ]
机构：
[1] IUT, Dept Elect & Comp Engn, Esfahan, Iran
来源：
2016 24TH IRANIAN CONFERENCE ON ELECTRICAL ENGINEERING (ICEE) | 2016年
关键词：
frequency selective surface (FSS); ultra broadband absorber; equivalent circuit model; double fractal square loops (DFSL); SURFACES;
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：
In this paper, a new wideband single-layer lossy frequency selective surfaces (FSS) absorber using Double Fractal Square Loops (DFSL) array is proposed. A unit cell of the periodic structure for the absorber is designed and simulated. A simple equivalent circuit model is proposed that predicts the plane wave transmission characteristics for normal incidence. The absorber consists of a copper layer and some lumped resistors. Therefore, the fabrication of the proposed structure is easy and with no resistive sheets. The simulation results show that the fractional bandwidth of 133% is realized for at least 10dB reflectivity reduction illuminated by the normal incidence over the frequency range of 1.98-8.64 GHz.
引用
收藏
页码：621 / 625
页数：5
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