Title :
Experimental demonstration of near-infrared epsilon-near-zero multilayer metamaterial slabs
Author :
Changyu Hu ; Huixu Deng ; Rosenmann, Daniel ; Czaplewski, David A. ; Xiaodong Yang ; Jie Gao
Author_Institution :
Dept. of Mech. & Aerosp. Eng., Missouri Univ. of Sci. & Technol., Rolla, MO, USA
Abstract :
Near-infrared epsilon-near-zero metamaterial slabs based on Ag-Ge multilayers are experimentally demonstrated and numerically analyzed. A post-annealing process and multilayer grating structures are introduced to reduce the optical loss and also tune the epsilon-near-zero wavelength.
Keywords :
diffraction gratings; germanium; optical losses; optical metamaterials; optical multilayers; optical tuning; silver; Ag-Ge; Ag-Ge multilayers; epsilon-near-zero wavelength; multilayer grating structures; near-infrared epsilon-near-zero multilayer metamaterial slabs; optical loss; optical tuning; post-annealing process; Metamaterials; Nonhomogeneous media; Optical device fabrication; Optical refraction; Optical variables control; Optical variables measurement; Slabs;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
