Analysis of the power dependent tuning of a varactor-loaded metamaterial at microwave frequencies

被引：55
|
作者：
Huang, Da [1 ]
Poutrina, Ekaterina [1 ]
Smith, David R. [1 ]
机构：
[1] Duke Univ, Pratt Sch Engn, Ctr Metamat & Integrated Plasmon, Dept Elect & Comp Engn, Durham, NC 27708 USA
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 10期
关键词：
NONLINEAR PROPERTIES;
D O I：
10.1063/1.3356223
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present an analysis of the nonlinear, power-dependent resonance frequency shift for two metamaterial mediums consisting of arrays of varactor-loaded split ring resonators (VLSRRs). We confirm that, over a limited range of power, a VLSRR medium can be described by its second and third order nonlinear susceptibilities, making it a useful analog medium for the quantitative investigation of other nonlinear phenomena that might be achieved using inherently nonlinear materials integrated into metamaterials. Experimental measurements of the resonance frequency shift with power from fabricated VLSRR samples are found to be in excellent agreement with the analytical model. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3356223]
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页数：3
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