Title :
Metamaterial circular polarizers based on metal N-helices
Author :
Kaschke, Johannes ; Gansel, Justyna K. ; Fischer, J. ; Wegener, Martin
Author_Institution :
Center for Functional Nanostruct. (CFN), Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany
Abstract :
Polarization conversion of metal-helix based metamaterials can be eliminated by recovering four-fold rotational symmetry. Symmetry considerations and current progress in the fabrication of N-helix optical metamaterials as broadband circular polarizers is presented.
Keywords :
optical fabrication; optical metamaterials; optical polarisers; N-helix optical metamaterial fabrication; broadband circular polarizers; four-fold rotational symmetry; metal N-helices; metal-helix based metamaterials; metamaterial circular polarizers; polarization conversion; Gold; Metamaterials; Optical device fabrication; Optical polarization; Polarization;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
