|Posted on February 5, 2019 at 7:50 AM|
Congratulations to Oshri Rabinovich, a Ph.D. student in our group, who has been selected to receive an IEEE Antennas and Propagation Society Doctoral Research Grant.
Way to go, Oshri!
|Posted on November 24, 2017 at 1:45 AM|
Our recent paper “Unveiling the Properties of Metagratings via a Detailed Analytical Model for Synthesis and Analysis” has just been published in Physical Review Applied, and was chosen as “Editors’ Suggestion”.
The paper explores the novel concept of metagratings, periodic arrays consisting of one or two subwavelength polarizable particles (meta-atoms) per period. Surprisingly, despite the utmost simplicity, these structures allow highly-efficient implementation of intricate beam-manipulating functionalities, such as perfect anomalous reflection. In our manuscript, we rigorously investigate metagratings based on capacitively loaded conduting wires for perfect wide-angle beam splitting, via a detailed analytical model. We show that based on this architecture, compatible with printed-circuit-board (PCB) manufacturing techniques, the synthesis can be completed almost completely analytically, prescribing the copper trace geometry required for reaching unitary coupling efficiencies.
Furthermore, the formulation allows analytical examination of the device susceptibility to conductor losses, fabrication imperfections, and frequency shifts. This examination reveals that metagratings feature distinct preferable working points, in which the sensitivity to these non-idealities is minor, directly realted to fundamental interference processes taking place within the device.
|Posted on March 28, 2017 at 2:50 AM|
Two of our papers (with Prof. Eleftheriades and Dr. Abdo-Sanchez) have made it to the top 5 best paper award contest finalists of EuCAP2017, in the Electromagnetics and Antenna Theory category.
Ariel Epstein and George V. Eleftheriades, “Emulating Arbitrary Antenna Arrays with Low-Profile Probe-Fed Cavity-Excited Omega-Bianisotropic Metasurface Antennas”.
Elena Abdo-Sánchez, Ariel Epstein, and George V. Eleftheriades, “Bianisotropic Huygens’ Metasurface Leaky-Wave Antenna with Flexible Design Parameters”.
|Posted on July 9, 2016 at 9:25 PM|
Our invited review paper “Huygens’ metasurfaces via the equivalence principle: design and applications” featured the “10 top downloaded papers in JOSA B” for 4 months in a row (Jan, Feb, Mar, Apr 2016).