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Dresden 2014 – scientific programme

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O: Fachverband Oberflächenphysik

O 37: Posters: Plasmonics, Electronic Structure and Spin-Orbit Interaction, Semiconductor and Insulator Surfaces, Nanostructures

O 37.99: Poster

Tuesday, April 1, 2014, 18:30–22:00, P2

Composite wire metamaterial for broadband infrared superlensing — •Mike Prämassing, Tobias Maß, and Thomas Taubner — I. Institute of Physics, RWTH Aachen University

Superlenses can either consist of natural [1] or metamaterials and enable subwavelength imaging beyond Abbes diffraction limit. Thereby, the evanescent near-fields are preserved and subwavelength information is transported [2]. We investigate a composite wire metamaterial consisting of parallel aligned metallic nanowires in a dielectric host medium. Its superlensing effect originates from strongly anisotropic optical properties [3,4]. Our theoretical investigations of the imaging properties concern the mid-infrared spectral range from 1 - 10µm. Furthermore we provide first fabrication attempts by means of electrochemical deposition [5].
[1] Taubner et al. Science 2006 313(5793) 1595.

[2] Li et al. ACS nano 2012 6(11), 10107-10114.

[3] Belov et al. Phys. Rev. 2006 E73, 056607.

[4] Elser et al. Appl. Phys. Lett. 2006 89(26), 261102-261102.

[5] Noginov et al. Appl. Phys. Lett. 2009 94(15), 151105.

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