Extreme beam-forming with impedance metasurfaces featuring embedded sources and auxiliary surface wave optimization
We present the end-to-end design of compact passive and lossless metasurface antennas
with integrated feeds. The complete low-profile system consists of a single-layered reactive …
with integrated feeds. The complete low-profile system consists of a single-layered reactive …
Unit cell design for aperiodic metasurfaces
A technique is presented for the design of printed unit cells in aperiodic metasurface
environments. The method begins with a solved matrix equation governing electromagnetic …
environments. The method begins with a solved matrix equation governing electromagnetic …
Fast and accurate optimization of metasurfaces with gradient descent and the woodbury matrix identity
A fast metasurface optimization strategy for finite-size metasurfaces modeled using integral
equations is presented. The metasurfaces considered are constructed from finite, patterned …
equations is presented. The metasurfaces considered are constructed from finite, patterned …
Wide-angle beam-steering and adaptive impedance matching with reconfigurable nonlocal leaky-wave antenna
We present a simple reconfigurable leaky-wave antenna (LWA) capable of fixed-frequency
continuous beam-scanning, along with an efficient optimization procedure with which its …
continuous beam-scanning, along with an efficient optimization procedure with which its …
Patterned unit cell design in aperiodic metasurfaces
A technique is presented for the design of printed-circuit unit cells in aperiodic metasurface
environments. The method begins with a matrix equation governing electromagnetic …
environments. The method begins with a matrix equation governing electromagnetic …
Analytical Method for Metasurface-Based Cloaking Under Arbitrary Oblique Illumination
The performance of antennas can severely deteriorate in the presence of adjacent
electrically-large scatterers. In this work, we use a conducting hollow cylinder to shield the …
electrically-large scatterers. In this work, we use a conducting hollow cylinder to shield the …
Transparent, cascaded-sheet metasurfaces for field transformations
Integral equations are used to design transparent, cascaded-sheet, metasurfaces for
arbitrary field transformations. Commonly used techniques such as the local periodicity …
arbitrary field transformations. Commonly used techniques such as the local periodicity …
Design of 3D Conformal Metasurfaces
A general synthesis technique for 3D conformal metasurfaces is presented which utilizes
integral equation-based modeling techniques and rapid optimization methods. The …
integral equation-based modeling techniques and rapid optimization methods. The …
Wide-angle Beam-steering with Electronically-scanned Leaky Wave Antenna
We discuss the design of a reconfigurable leaky wave antenna capable of one-dimensional
wide-angle beam-steering. It has a simple architecture consisting of a microstrip line loaded …
wide-angle beam-steering. It has a simple architecture consisting of a microstrip line loaded …