Title :
Imaging performance of metamaterial wire media at terahertz frequencies: A simple local approach
Author :
Tuniz, Alessandro ; Ireland, David ; Argyros, Antonis ; Poladian, Leon ; de Sterke, C.M. ; Kuhlmey, Boris T.
Author_Institution :
Inst. of Photonics & Opt. Sci. (IPOS), Univ. of Sydney, Sydney, NSW, Australia
Abstract :
Metamaterial wire media support sub-diffraction imaging, however images deteriorate near Fabry-Perot slab resonances. Using simple, local models, we show that image aberrations originate from cavity resonances in anisotropic media with large absolute axial permittivity.
Keywords :
aberrations; optical images; optical metamaterials; permittivity; Fabry-Perot slab resonances; absolute axial permittivity; anisotropic media; cavity resonances; image aberrations; imaging performance; metamaterial wire media; subdiffraction imaging; terahertz frequencies; Cavity resonators; Imaging; Media; Metamaterials; Permittivity; Resonant frequency; Wires;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
