Title :
Broadband epsilon-near-zero metamaterials with step-like metal-dielectric multilayer structures with gain media
Author :
Lei Sun ; Xiaodong Yang ; Jie Gao
Author_Institution :
Dept. of Mech. & Aerosp. Eng., Missouri Univ. of Sci. & Technol., Rolla, MO, USA
Abstract :
The broadband epsilon-near-zero metamaterials consisting of step-like metal-dielectric multilayer structures with gain media is proposed. Low-loss functional optical devices including prisms for broadband directional emission and S-shaped lenses for phase front shaping are demonstrated.
Keywords :
lenses; multilayers; optical metamaterials; optical prisms; S-shaped lenses; broadband directional emission; broadband epsilon-near-zero metamaterials; gain media; low-loss functional optical devices; phase front shaping; prisms; step-like metal-dielectric multilayer structures; Broadband communication; Lenses; Metamaterials; Nonhomogeneous media; Permittivity;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
