We study the interference and diffraction of light when it propagates through a metamaterial
medium mimicking the spacetime of a cosmic string—a topological defect with curvature …

In this study, we design an implementable high-performance wideband flat reflector based
on conformal transformation optics. By eliminating sharp edges in the virtual space, the …

In this paper, we design an implementable high-performance flat reflector based on
conformal transformation optics. In the proposed 2-dimensional device, the rescaling …

[eng] In physics, it is common to find different phenomena being described by similar
equations. A good analogy can make us look at a problem from a different point of view. In …

A broadband fixed-beam leaky-wave antenna is presented in this thesis. The proposed
antenna consists of a graded dielectric superstrate placed on top of a closely-spaced thin …