We review mechanically reconfigurable reflectarray (RA) and transmitarray (TA) antennas.
We categorize the proposed approaches into three major groups followed by a hybrid …

A machine learning technique is applied to the design and optimization of reflectarray
antennas to considerably accelerate computing time without compromising accuracy. In …

This paper describes a general framework for the optimization of very large reflectarrays for
space applications. It employs the generalized intersection approach as optimizing …

This article presents some recent developments in multiplebeam antennas (MBAs) based on
reflectarrays for communication satellites in the Kurz (K) and Kurz-above (Ka) bands. The …

Large format focal plane arrays (FPAs) of dielectric lenses are promising candidates for wide
field-of-view submillimeter imagers. In this work, we optimize the scanning gain of such …

This paper presents a novel approach to synthesizing curved reflectarrays using
Geometrical Optics (GO). It introduces the concepts of virtual normal and path length shift …

Transmitarray (TA) antenna has great research value based on its unique advantages of low
profile, high gain, and flexible performance, especially in the field of spaceborne, airborne …

In this study, unwanted additional resonances are analyzed and a method is developed to
eliminate them for wideband offset dual reflectarray antenna at sub-millimeter waves. In the …

In this work, the procedure for the design of innovative reflectarray (RA) antennas able to
radiate multiple Orbital Angular Momentum (OAM) modes is introduced. Extending the …

Examples disclosed herein relate to reflectarray antenna for enhanced wireless
applications. The reflectarray antenna has a ground conductive plane, a dielectric substrate …