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Experimental demonstration of near-infrared negative-index metamaterials

Zhang, S; Fan, WJ; Panoiu, NC; Malloy, KJ; Osgood, RM; Brueck, SRJ; (2005) Experimental demonstration of near-infrared negative-index metamaterials. PHYS REV LETT , 95 (13) , Article 137404. 10.1103/PhysRevLett.95.137404. Green open access

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Abstract

Metal-based negative refractive-index materials have been extensively studied in the microwave region. However, negative-index metamaterials have not been realized at near-IR or visible frequencies due to difficulties of fabrication and to the generally poor optical properties of metals at these wavelengths. In this Letter, we report the first fabrication and experimental verification of a transversely structured metal-dielectricmetal multilayer exhibiting a negative refractive index around 2 mu m. Both the amplitude and the phase of the transmission and reflection were measured experimentally, and are in good agreement with a rigorous coupled wave analysis.

Type: Article
Title: Experimental demonstration of near-infrared negative-index metamaterials
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.95.137404
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.95.137404
Language: English
Additional information: © 2005 The American Physical Society
Keywords: PHOTONIC CRYSTALS, HOLE ARRAYS, REFRACTION, LENS
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/142189
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