Abstract
The possibility of near-field imaging by a multi-layer structure with alternate layers of right-handed materials (RHM) and left-handed materials (LHM) is investigated. By means of the transfer-matrix method, we carry out the recovery rate and phase shift of evanescent waves arriving at the image plane. It is found that the multi-layer structure is very useful to decrease the influence of the necessary absorption in left-handed materials (LHM) on the image quality. We also show that the absorption may be useful to enhance the image quality when the real parts of the permittivity and permeability of left-handed materials (LHM) deviates from the perfect lens conditions.
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