Permeability Measurement of Metamaterials with Split-Ring-Resonators Using Free-Space Calibration-Independent Methods

被引:18
作者
Hasar, Ugur C. [1 ,2 ]
Barroso, Joaquim J. [3 ]
机构
[1] SUNY Binghamton, Dept Elect & Comp Engn, Binghamton, NY 13902 USA
[2] Ataturk Univ, Dept Elect & Elect Engn, Erzurum, Turkey
[3] Natl Inst Space Res, Associated Plasma Lab, BR-12227010 Sao Jose Dos Campos, Brazil
关键词
Metamaterials; Split-ring-resonators; Negative magnetic constant; Calibration-independent measurements; COMPLEX PERMITTIVITY DETERMINATION; SCATTERING PARAMETER MEASUREMENTS; LOW-FREQUENCY PLASMONS; PROPAGATION CONSTANT; TRANSMISSION-LINES; MICROWAVE METHOD; DIELECTRIC-CONSTANT; WAVE-PROPAGATION; NETWORK ANALYZER; INDEX;
D O I
10.1007/s10762-011-9859-5
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A calibration-independent microwave method is proposed for complex permeability extraction of metamaterial structures composed of periodic split-ring resonators. For the retrieval process, uncalibrated (raw) complex scattering parameter measurements of three measurement configurations in free-space are utilized. Two metric functions are derived for retrieval of complex permeability of homogeneous metamaterial slabs even when their lengths are unknown. The method is validated by retrieving the magnetic properties of some homogeneous SRR metamaterial slabs with a pre-assigned magnetic resonant frequency.
引用
收藏
页码:218 / 227
页数:10
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