18 May 2011 Metamaterial coatings for subwavelength-resolution imaging
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Abstract
Coating lenses are membranes made of materials exhibiting negative index of refraction and deposited on other media with high dielectric constant ε3. Unfortunately far-field imaging suffers from centrosymmetric aberrations. We propose a simple procedure to compensate partially deviations from ray-tracing perfect imaging in asymmetric metamaterial lenses. We also show that, under some circumstances, coating superlens may recover subwavelength information transmitted in a relative spatial spectrum ranging from 1 to √ε3.
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Carlos J. Zapata-Rodríguez, David Pastor, Juan J. Miret, "Metamaterial coatings for subwavelength-resolution imaging", Proc. SPIE 8070, Metamaterials VI, 807014 (18 May 2011); doi: 10.1117/12.886623; https://doi.org/10.1117/12.886623
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