DocumentCode :
3676093
Title :
Effects of metamaterial slab with negative permeability applied to magnetically-coupled wireless power transfer system
Author :
Gunyoung Kim;Bomson Lee
Author_Institution :
Department of Electronics and Radio Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do, Republic of Korea
fYear :
2015
fDate :
7/1/2015 12:00:00 AM
Firstpage :
113
Lastpage :
114
Abstract :
Effects of a metamaterial slab with negative permeability applied to a magnetically coupled two-loop wireless power transfer system on efficiencies are analyzed. Particularly, the maximum efficiencies are examined as a function of s/d (s: slab width, d: distance between two loops) and the slab loss tangent. They are evaluated in terms of coupling coefficients (k), effective Q-factors of the loop, and optimum loads for maximum efficiencies, considering the slab losses. Using the meta-slab, some enhance-ment of transfer efficiencies can be achieved when s/d ≈0.2 even for the case of considerable loss tangent of 0.2.
Keywords :
"Slabs","Magnetic resonance","Metamaterials","Magnetic materials","Magnetostatics","Magnetostatic waves"
Publisher :
ieee
Conference_Titel :
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015 IEEE International Symposium on
Type :
conf
DOI :
10.1109/APS.2015.7304442
Filename :
7304442
Link To Document :
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