Bottom-up metamaterials with an isotropic magnetic response in the visible

Stefan Mühlig; José Dintinger; Alastair Cunningham; Toralf Scharf; Thomas Bürgi; Carsten Rockstuhl; Falk Lederer

doi:10.1117/12.928930

15 October 2012 Bottom-up metamaterials with an isotropic magnetic response in the visible

Stefan Mühlig, José Dintinger, Alastair Cunningham, Toralf Scharf, Thomas Bürgi, Carsten Rockstuhl, Falk Lederer

Proceedings Volume 8455, Metamaterials: Fundamentals and Applications V; 84551G (2012) https://doi.org/10.1117/12.928930
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

Abstract

A theoretical framework to analyze the optical properties of amorphous metamaterials made from meta-atoms which are amenable for a fabrication with bottom-up technologies is introduced. The achievement of an isotropic magnetic resonance in the visible is investigated by suggesting suitable designs for the meta-atoms. Furthermore, two meta-atoms are discussed in detail that were fabricated by self-assembling plasmonic nanoparticles using techniques from the field of colloidal nanochemistry. The metamaterials are experimentally characterized by spectroscopic means and the excitation of the magnetic dipole moment is clearly revealed. Advantages and disadvantages of metamaterials made from such meta-atoms are discussed.

Citation Download Citation

Stefan Mühlig, José Dintinger, Alastair Cunningham, Toralf Scharf, Thomas Bürgi, Carsten Rockstuhl, and Falk Lederer "Bottom-up metamaterials with an isotropic magnetic response in the visible", Proc. SPIE 8455, Metamaterials: Fundamentals and Applications V, 84551G (15 October 2012); https://doi.org/10.1117/12.928930

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