Diffraction-managed superlensing using metallodielectric heterostructures

Carlos J. Zapata-Rodríguez; David Pastor; María T. Caballero; Juan J. Miret

doi:10.1117/12.921882

1 May 2012 Diffraction-managed superlensing using metallodielectric heterostructures

Carlos J. Zapata-Rodríguez, David Pastor, María T. Caballero, Juan J. Miret

Proceedings Volume 8423, Metamaterials VII; 84230U (2012) https://doi.org/10.1117/12.921882
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

We show that subwavelength diffracted wave fields may be managed inside multilayered plasmonic devices to achieve ultra-resolving lensing. For that purpose we first transform both homogeneous waves and a broad band of evanescent waves into propagating Bloch modes by means of a metal/dielectric (MD) superlattice. Beam spreading is subsequently compensated by means of negative refraction in a plasmon-induced anisotropic effective-medium that is cemented behind. A precise design of the superlens doublet may lead to nearly aberration-free images with subwavelength resolution in spite of using optical paths longer than a wavelength.

Citation Download Citation

Carlos J. Zapata-Rodríguez, David Pastor, María T. Caballero, and Juan J. Miret "Diffraction-managed superlensing using metallodielectric heterostructures", Proc. SPIE 8423, Metamaterials VII, 84230U (1 May 2012); https://doi.org/10.1117/12.921882

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