Elongated gold nanostructures in silica for metamaterials: Technology and optical properties

F. Garwe; U. Huebner; T. Clausnitzer; E.-B. Kley; U. Bauerschaefer

doi:10.1117/12.626854

27 September 2005 Elongated gold nanostructures in silica for metamaterials: Technology and optical properties

F. Garwe, U. Huebner, T. Clausnitzer, E.-B. Kley, U. Bauerschaefer

Proceedings Volume 5955, Metamaterials; 59550T (2005) https://doi.org/10.1117/12.626854
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Nanowire composites are considered as a challenge in design and making of left-handed materials. We established several arrangements on silica glass substrate and show transmission measurements on fields of single nanowires. The results can be interpreted in such a way that the incident electromagnetic wave effectively couple to plasmon modes and lead to negative dielectric permittivity in a particular infrared spectrum. These effects depend on the structure, the topological and geometrical properties of the nanowires and their orientation relative to the wave. Transmission measurements with fields of parallel pairs of nanowires on both sides of the isolating show results that can be well interpreted as negative magnetic permeability and negative dielectric permittivity in the infrared spectra. This arrangement of nanowire pairs can act as a so- called left-handed metamaterial with a negative index of refraction in the infrared and visible spectral ranges.

Citation Download Citation

F. Garwe, U. Huebner, T. Clausnitzer, E.-B. Kley, and U. Bauerschaefer "Elongated gold nanostructures in silica for metamaterials: Technology and optical properties", Proc. SPIE 5955, Metamaterials, 59550T (27 September 2005); https://doi.org/10.1117/12.626854

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