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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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EFFICIENT METASURFACE RECTENNA FOR ELECTROMAGNETIC WIRELESS POWER TRANSFER AND ENERGY HARVESTING

By M. El Badawe and O. M. Ramahi

Full Article PDF (308 KB)

Abstract:
This work presents a design for a metasurface that provides near-unity electromagnetic energy harvesting and RF channeling to a single load. A metasurface and a feeding network were designed to operate at 2.72 GHz to deliver the maximum power to a single load. Numerical simulations show that the metasurface can be highly efficient delivering the maximum captured power to one load using a corporate feed network reaching Radiation-to-RF conversion efficiency as high as 99%. A prototype was fabricated incorporating a rectification circuit. Measurements demonstrated that the proposed metasurface harvester provides Radiation-to-DC conversion efficiency of more than 55%, which is significantly higher than earlier designs reported in the literature.

Citation:
M. El Badawe and O. M. Ramahi, "Efficient Metasurface Rectenna for Electromagnetic Wireless Power Transfer and Energy Harvesting," Progress In Electromagnetics Research, Vol. 161, 35-40, 2018.
doi:10.2528/PIER18011003
http://www.jpier.org/PIER/pier.php?paper=18011003

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