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Research on absorption of the near-field superlens

Xiao Pei,Lin Jizi(Foundation Department of Zhangjiagang District,Jiangsu University of Science and Technology,Zhangjiagang Jiangsu 215600,China)  
Based on the perfect imaging principle of Ag film by Pendry and through theoretical derivation,the characteristics of propagating and evanescent waves of incident p-light are investigated,and the conditions of the tunable near-field superlens are obtained.The paper also analyzes the effect of material absorption on forming images and calculates the influence of silver particles on the superlens′ resolution on nano-scale.The calculation shows that the resolution of superlens is increased by multi-layer cermets.
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