Microwave metamaterial-based superlens for energy focusing applications

Kieu Vu Thang; Nguyen Thanh Tung; Ewald Janssens

doi:10.15625/2525-2518/56/6/12722

Author affiliations

Authors

Kieu Vu Thang School of Physics, Hanoi University of Science and Technology, No 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam
Nguyen Thanh Tung Institute of Materials Science, VAST, No 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
Ewald Janssens Laboratory of Solid State Physics and Magnetism, Department of Physics and Astronomy, KU Leuven, B-3001 Leuven, Belgium

DOI:

https://doi.org/10.15625/2525-2518/56/6/12722

Abstract

Superlens imaging has been known as one of the most intriguing applications of metamaterials due to its capability of sub-wavelength imaging. In this report, we numerically demonstrate the possibility to make an amplifying superlens, which can focus and consequently enhance electromagnetic signals emitted at GHz frequencies. Simulations using the finite integration technique are performed to explore the amplifying mechanism of the proposed superlens. It is found that the focused signals can be considerably intensified at a selected position. The results show potential uses of metamaterial superlenses for future wireless energy transfer devices and novel energy harvesting applications.

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