Title :
On the isotropic magnetic response of fabricated core-shell clusters and its ability to cloak
Author :
Mühlig, Stefan ; Cunningham, Alastair ; Farhat, Mohamed ; Rockstuhl, Carsten ; Bürgi, Thomas ; Lederer, Falk
Author_Institution :
Inst. of Solid State Theor. & Condensed Matter Opt., Friedrich-Schiller-Univ. Jena, Jena, Germany
Abstract :
We investigate a scatterer comprising a dielectric core and randomly distributed metallic nanoparticles forming a shell. We show that it acts as an isotropic magnetic meta-atom and as a cloak to conceal the core.
Keywords :
conducting polymers; dielectric materials; filled polymers; gold; invisibility cloaks; magnetic moments; magnetic particles; magnetic resonance; metal clusters; metamaterials; nanofabrication; nanomagnetics; nanoparticles; plasmonics; self-assembly; silver; visible spectra; Ag; Au; cloaking; dielectric core; fabricated core-shell clusters; isotropic magnetic meta-atom; isotropic magnetic response; magnetic dipole resonance; metamaterials; plasmonic nanoparticles; positive charged polymers; randomly distributed metallic nanoparticles; self-assembly; visible spectra; Dielectrics; Magnetic cores; Magnetic materials; Magnetic resonance; Metamaterials; Optical scattering;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4