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Exact Design of Evanescent-Wave Amplication Using Bilayer Periodic Circuit Structures
Xianqi Lin 1,Huifeng Ma 1,Ruopeng Liu 1,Qiang Cheng 1 #,Tiejun Cui 2 *
1.Mid 607, Li-Wen-Zheng Building, Radio department, Southeast University
2.Mid 601, Li-Wen-Zheng Building, Radio department, Southeast University
*Correspondence author
#Submitted by
Subject:
Funding: 国家自然科学基金,国家自然科学基金,国家自然科学基金,国家重点基础发展计划,东南大学（No.60496317,60671015,60621002,2004CB719800,）
Opened online:18 January 2008
Accepted by: none
Citation: Xianqi Lin,Huifeng Ma,Ruopeng Liu.Exact Design of Evanescent-Wave Amplication Using Bilayer Periodic Circuit Structures[OL]. [18 January 2008] http://en.paper.edu.cn/en_releasepaper/content/18211
 
 
An efficient method is presented to design the evanescent wave amplification exactly by cascading two layers of periodic series-shunt capacitors and and inductors, which simulate a bilayer of magnetic and electric plasmas. Based on the presented method, equivalent lumped parameters of circuit structures are retrieved, from which the evanescent-wave amplification (EWA) is obtained at a designed frequency. Full-wave simulations show that the relative offset of the EWA frequency is less than 0.1%. The structure has been fabricated and measured, and the measurement results have good agreements with the simulation results. The proposed method can be used to design other periodic circuit structures, and the exact design of EWA can be used in the fabrication of novel components.
Keywords:Evanescent wave amplication, periodic series shunt capacitors, periodic series-shunt inductors, equivalent lumped parameters
 
 
 

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