Flat metasurfaces to focus electromagnetic waves in reflection geometry

Gradient-index meta-surfaces as a bridge linking propagating waves and surface waves

(2012) Shulin Sun et al.   NATURE MATERIALS

Extraordinary light focusing and Fourier transform properties of gradient-index metalenses

(2011) Changbao Ma et al.   PHYSICAL REVIEW B

Light Propagation with Phase Discontinuities: Generalized Laws of Reflection and Refraction

(2011) N. Yu et al.   SCIENCE

Gradient index metamaterial based on slot elements

(2010) Oliver Paul et al.   APPLIED PHYSICS LETTERS

A super resolution metalens with phase compensation mechanism

(2010) Changbao Ma et al.   APPLIED PHYSICS LETTERS

Plasmonic Lenses Formed by Two-Dimensional Nanometric Cross-Shaped Aperture Arrays for Fresnel-Region Focusing

(2010) Ling Lin et al.   NANO LETTERS

Metamaterial-based gradient index lens with strong focusing in the THz frequency range

(2010) J. Neu et al.   OPTICS EXPRESS

Gradient index circuit by waveguided metamaterials

(2009) Ruopeng Liu et al.   APPLIED PHYSICS LETTERS

Extreme-angle broadband metamaterial lens

(2009) Nathan Kundtz et al.   NATURE MATERIALS

Controlling electromagnetic waves using tunable gradient dielectric metamaterial lens

(2008) Xian Qi Lin et al.   APPLIED PHYSICS LETTERS

Planar Lenses Based on Nanoscale Slit Arrays in a Metallic Film

(2008) Lieven Verslegers et al.   NANO LETTERS