Wideband metamaterial absorber based on CRRs with lumped elements for microwave energy harvesting

被引：38

作者：

Bagmanci, Mehmet ^{[1
]}

Karaaslan, Muharrem ^{[1
]}

Altintas, Olcay ^{[1
]}

Karadag, Faruk ^{[2
]}

Tetik, Erkan ^{[3
]}

Bakir, Mehmet ^{[4
]}

机构：

[1] Iskenderun Tech Univ, Dept Elect & Elect Engn, Iskenderun, Turkey

[2] Cukurova Univ, Dept Phys, Adana, Turkey

[3] Usak Univ, Informat Technol Dept, Usak, Turkey

[4] Bozok Univ, Dept Comp Engn, Fac Engn & Architecture, Yozgat, Turkey

来源：

JOURNAL OF MICROWAVE POWER AND ELECTROMAGNETIC ENERGY | 2018年 / 52卷 / 01期

关键词：

Metamaterial; circle ring resonators; broadband absorber; energy harvesting; SENSOR APPLICATIONS; DESIGN; FREQUENCY; INDEX;

D O I：

10.1080/08327823.2017.1405471

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel metamaterial absorber structure is designed and characterized for microwave energy harvesting. The suggested structure is composed of two circular ring resonators with different dimensions. Due to harvesting application of the proposed structure, the main operation frequency of the suggested structure lies in WIMAX and satellite communication frequency bands and surrounds our environment. The optimum dimensions of the suggested structure are obtained through parametric study by genetic algorithm in order to realize wideband absorption and harvesting response. Simulation results show that the metamaterial-harvester-based resistive loads are useful to absorb and convert microwave energy for the operation frequency. The simulated harvested power across the resistors has been found greater than 0.4 W, which corresponds to 80% efficiency between 7.8 and 14 GHz. In addition, polarization dependence and angular stability of the proposed harvester are investigated at operation frequency to support the simulation of an experimental study for S-parameter measurement. Therefore, simulation and experimental study results show that the proposed design with good absorption and harvesting characteristics can be operated in WIMAX and satellite communication frequency bands.

引用

页码：45 / 59

页数：15

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