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In this communication we present technical details of performance of recently proposed silver nanolens which transforms a far-field source into a far-field focus [P. Wrobel, J. Pniewski, T.J. Antosiewicz, T. Szoplik, ldquoFocusing radially polarized light by concentrically corrugated silver film without a holerdquo Phys. Rev. Lett., in print (2009)]. The nano-lens is a free standing silver nanolayer...
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