Sherif Hekal, A. Abdel-Rahman, H. Jia, A. Allam, R. Pokharel, H. Kanaya
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Strong resonant coupling for short-range wireless power transfer applications using defected ground structures
This paper presents a new structure for highly efficient short-range wireless power transfer. The proposed structure is based on strongly coupled resonators using H-slot defected ground structures. An equivalent circuit model for H-slot coupled resonators is introduced. Measurement results for the new proposed structure show a power transfer efficiency of 70% at 15 mm distance between driver and load resonators. Experimental measurements have shown good agreement with electromagnetic and circuit simulations.
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