Frankfurt 2006 – wissenschaftliches Programm
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Q: Quantenoptik und Photonik
Q 18: Photonik in komplexen und periodischen Strukturen II
Q 18.5: Vortrag
Montag, 13. März 2006, 18:00–18:15, H14
Left-Handed Metamaterials with Gold Nanorods — •Frank Garwe1, Carsten Rockstuhl2, Christoph Etrich2, Uwe Hübner1, Ulf Bauerschäfer3, Frank Setzpfandt2, Markus Augustin2, Thomas Pertsch2 und Falk Lederer2 — 1IPHT Jena — 2Friedrich-Schiller-Universität Jena — 3GmBU Halle
Metallic optical nanostructures are believed to be the key for tailoring the dispersion relation of light in an artificial kind of matter, frequently termed optical metamaterials [1,2]. The desired material properties can be achieved by controlling the resonances associated with a single nanostructure.
In this contribution we investigate the electromagnetic properties of nanorods, consisting of a pair of gold nanowires and a PMMA spacing [3]. Transmission and reflection spectra have been measured in amplitude and phase. In all cases rigorous diffraction theory is used to compare experimental with theoretical results. By changing the geometry of the nanorods the electric and magnetic resonances can be independently tuned. This approach is applied to engineer the negative index behavior of the metamaterial.
[1] J.B.Pendry and D.R.Smith, Physics Today June, 37-43 (2004).
[2] S.Linden, C.Enkrich, M.Wegener, J.Zhou, T.Koschny, and C.M.Soukoulis, Science 306, 1351-1353 (2004).
[3] V.A.Podolskiy, A.K.Sarychev, and V.M.Shalaev, Opt. Express 11, 735-745 (2003).