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Proceedings Paper

Studies of plasmonic hot-spot translation by a metal-dielectric layered superlens
Author(s): Mark D. Thoreson; Rasmus B. Nielsen; Paul R. West; Arian Kriesch; Zhengtong Liu; Jieran Fang; Alexander V. Kildishev; Ulf Peschel; Vladimir M. Shalaev; Alexandra Boltasseva
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Paper Abstract

We have studied the ability of a lamellar near-field superlens to transfer an enhanced electromagnetic field to the far side of the lens. In this work, we have experimentally and numerically investigated superlensing in the visible range. By using the resonant hot-spot field enhancements from optical nanoantennas as sources, we investigated the translation of these sources to the far side of a layered silver-silica superlens operating in the canalization regime. Using near-field scanning optical microscopy (NSOM), we have observed evidence of superlens-enabled enhanced-field translation at a wavelength of about 680 nm. Specifically, we discuss our recent experimental and simulation results on the translation of hot spots using a silver-silica layered superlens design. We compare the experimental results with our numerical simulations and discuss the perspectives and limitations of our approach.

Paper Details

Date Published: 9 September 2011
PDF: 20 pages
Proc. SPIE 8093, Metamaterials: Fundamentals and Applications IV, 80931J (9 September 2011); doi: 10.1117/12.894225
Show Author Affiliations
Mark D. Thoreson, Purdue Univ. (United States)
Univ. Erlangen-Nürnberg (Germany)
Rasmus B. Nielsen, Technical Univ. of Denmark (Denmark)
Paul R. West, Purdue Univ. (United States)
Arian Kriesch, Univ. Erlangen-Nürnberg (Germany)
Max Planck Institute for the Science of Light (Germany)
Zhengtong Liu, Institute of High Performance Computing (Singapore)
Jieran Fang, Purdue Univ. (United States)
Alexander V. Kildishev, Purdue Univ. (United States)
Ulf Peschel, Max Planck Institue for the Science of Light (Germany)
Univ. Erlangen-Nürnberg (Germany)
Vladimir M. Shalaev, Purdue Univ. (United States)
Alexandra Boltasseva, Purdue Univ. (United States)
Univ. Erlangen-Nürnberg (Germany)
Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 8093:
Metamaterials: Fundamentals and Applications IV
Allan D. Boardman; Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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