In the last few years, a rapid development has been achieved in a subject area, so called
optical transformation, which is based on the property of metric invariance in Maxwell's …

Transformation electromagnetics provides a practical approach to control electromagnetic
fields at will. Based on this principle, novel devices such as the invisible cloak have been …

In the last decade, a technique termed transformation optics has been developed for the
design of novel electromagnetic devices. This method defines the exact modification of …

Transformation optics is widely associated with the design of unconventional
electromagnetic devices, such as electromagnetic cloaks or concentrators. However, a wide …

Transformation of space coordinates can be used as a convenient tool for producing a
controlled electromagnetic field pattern. In this paper, using a conformal transformation, the …

A zone plate lens utilizing a refractive instead of diffractive approach is presented for
broadband operation. By utilizing transformation optics, we compress the conventional …

Recently, the covariance property of the Maxwell equations under a coordinate
transformation has been exploited for controlling the flow of electromagnetic waves in an …

With the explosion of wireless networks and automotive radar systems, there is an acute
need for new materials and technologies that would not only minimize the size of these …

Spatial coordinate transformation is used as a reliable tool to control electromagnetic fields.
In this paper, we derive the permeability and permittivity tensors of a metamaterial able to …

Spatial coordinate transformation is a suitable tool for the design of complex electromagnetic
structures. In this paper, we define three spatial coordinate transformations which show the …