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Proceedings Paper

Subwavelength resonant antennas enhancing electromagnetic energy harvesting
Author(s): Gabin Oumbe Tekam; Vincent Ginis; Divitha Seetharamdoo; Jan Danckaert
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Paper Abstract

In this work, an electromagnetic energy harvester operating at microwave frequencies is designed based on a cut- wire metasurface. This metamaterial is known to contain a quasistatic electric dipole resonator leading to a strong resonant electric response when illuminated by electromagnetic fields.1 Starting from an equivalent electrical circuit, we analytically design the parameters of the system to tune the resonance frequency of the harvester at the desired frequency band. Subsequently, we compare these results with numerical simulations, which have been obtained using finite elements numerical simulations. Finally, we optimize the design by investigating the best arrangement for energy harvesting by coupling in parallel and in series many single layers of cut-wire metasurfaces. We also discuss the implementation of different geometries and sizes of the cut-wire metasurface for achieving different center frequencies and bandwidths.

Paper Details

Date Published: 18 April 2016
PDF: 6 pages
Proc. SPIE 9884, Nanophotonics VI, 988408 (18 April 2016); doi: 10.1117/12.2227810
Show Author Affiliations
Gabin Oumbe Tekam, Vrije Univ. Brussel (Belgium)
Univ. of Yaounde (Cameroon)
Vincent Ginis, Vrije Univ. Brussel (Belgium)
Divitha Seetharamdoo, IFSTTAR-LEOST (France)
Jan Danckaert, Vrije Univ. Brussel (Belgium)


Published in SPIE Proceedings Vol. 9884:
Nanophotonics VI
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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