The modern development of wireless power transfer (WPT) technologies brings various products that improve the lives of users. It has become an urgent demand to simultaneously charge multiple mobile devices operating under different WPT standards on a charging platform regardless of their position and orientation with respect to each other. Recent advances in metasurfaces make it possible to control the near electromagnetic fields with much more degrees of freedom in comparison to conventional resonators. Here, we develop a compact multi-mode metamaterial-inspired resonator formed as an array of sub-wavelength parallel strip conductors. This resonator aims to replace conventional flat coil resonators and offers multiple modes with different profiles of electromagnetic field distribution for various near-field WPT applications. The first three eigenmodes are numerically and experimentally studied, and their potential applications for design of multi-mode WPT systems capable of charging multiple receivers simultaneously are discussed.
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24 August 2020
Research Article|
August 25 2020
Multi-mode metamaterial-inspired resonator for near-field wireless power transfer
Mingzhao Song
;
Mingzhao Song
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Pavel Smirnov;
Pavel Smirnov
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Ekaterina Puhtina;
Ekaterina Puhtina
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Esmaeel Zanganeh;
Esmaeel Zanganeh
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Stanislav Glybovski
;
Stanislav Glybovski
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Pavel Belov;
Pavel Belov
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
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Polina Kapitanova
Polina Kapitanova
a)
Department of Physics and Engineering, ITMO University
, 197101 Saint Petersburg, Russia
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 117, 083501 (2020)
Article history
Received:
April 28 2020
Accepted:
August 17 2020
Citation
Mingzhao Song, Pavel Smirnov, Ekaterina Puhtina, Esmaeel Zanganeh, Stanislav Glybovski, Pavel Belov, Polina Kapitanova; Multi-mode metamaterial-inspired resonator for near-field wireless power transfer. Appl. Phys. Lett. 24 August 2020; 117 (8): 083501. https://doi.org/10.1063/5.0012006
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