Harvesting the Energy of Multi-Polarized Electromagnetic Waves

被引:90
作者
Almoneef, Thamer S. [1 ]
Erkmen, Faruk [2 ]
Ramahi, Omar M. [2 ]
机构
[1] Prince Sattam Bin Abdulaziz Univ, Dept Elect Engn, Al Kharj 11942, Saudi Arabia
[2] Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
来源
SCIENTIFIC REPORTS | 2017年 / 7卷
基金
加拿大自然科学与工程研究理事会;
关键词
ANTENNA-ARRAY; NEGATIVE REFRACTION; MICROWAVE-ENERGY; RECTENNA ARRAY; POWER; DESIGN; INDEX;
D O I
10.1038/s41598-017-15298-5
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We present the idea and design of a dual polarized metasurface for electromagnetic energy harvesting. A 4 x 4 super cell with alternating vias between adjacent cells was designed to allow for capturing the energy from various incident angles at an operating frequency of 2.4 GHz. The collected energy is then channeled to a feeding network that collects the AC power and feeds it to a rectification circuitry. The simulation results yielded a radiation to AC and an AC to DC conversion efficiencies of around 90% and 80%, respectively. As a proof of concept, an array consisting of 9 super cells was fabricated and measured. The experimental results show that the proposed energy harvester is capable of capturing up to 70% of the energy from a planewave having various polarizations and converting it to usable DC power.
引用
收藏
页数:14
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