In the modern world, the ability to manipulate and control electromagnetic waves has greatly
changed people's lives. Novel optical and electromagnetic phenomena and devices will …

Metasurfaces are thin two-dimensional metamaterial layers that allow or inhibit the
propagation of electromagnetic waves in desired directions. For example, metasurfaces …

One of the long-standing problems in antenna engineering is the realization of highly
directive beams using low-profile devices. In this paper, we provide a solution to this …

The gradient-index (GRIN) Luneburg lens antenna offers significant benefits, eg high
aperture efficiency, low-power, minimal cost, wide beam scanning angle and broad …

A compact and small electric-size aperture directive broadband Luneburg lens antenna is
presented. The substrate-integrated lens antenna is based on embedding a Vivaldi antenna …

The emerging field of transformation optics, with its powerful ability to manipulate and control
electromagnetic waves, represents a promising new approach to tailor the radiation …

Recent advancements in transformation optics (TO) and metamaterials have inspired
tremendous interest in the electromagnetic community, creating a variety of novel antennas …

Gradient refractive index (GRIN) materials are of interest for various applications where
transformation optic principles can be applied to the design of improved photonic and …

Transformation optics (TO) concept well known for its huge possibility in patterning the path
of electromagnetic waves is exploited to design a beam steering lens. The broadband …

A high-gain reduced-profile antenna is designed by combining the effects of a near-zero-
index volumetric metamaterial lens and an artificial magnetic conducting (AMC) ground …