Explanipedia

Broadband H-Plane Horn Antenna Design Based on Ridge Gap Waveguide Open

Mohsen Khalily, Alireza Mallahzadeh, Shadi Danesh, Eva Rajo‐Iglesias, Rahim Tafazolli , et al. · 2025

2-D FEM-Based Simulation and Optimization of Concentric Ring GRIN Lens Antennas Open

José-Manuel Poyanco, R. Alcalá, Francisco Pizarro, Eva Rajo‐Iglesias, J.M. Gil , et al. · 2024

Versión aceptada del artículo publicado en IEEE Antennas and Wireless Propagation Letters, vol. 24, no. 1, pp. 182-186, Jan. 2025, doi: 10.1109/LAWP.2024.3489426.

IEEE Transactions on Antennas and Propagation Open

Konstantina S. Nikita, Asimina Kiourti, Μαρία Αθανασίου, Francesco P. Andriulli, Goutam Chattopadhyay , et al. · 2024

IEEE Transactions on Antennas and Propagation Open

Konstantina S. Nikita, Asimina Kiourti, Μαρία Αθανασίου, Francesco P. Andriulli, Goutam Chattopadhyay , et al. · 2024

IEEE Transactions on Antennas and Propagation Open

Konstantina S. Nikita, Asimina Kiourti, Μαρία Αθανασίου, Francesco P. Andriulli, Goutam Chattopadhyay , et al. · 2024

IEEE Transactions on Antennas and Propagation Open

Konstantina S. Nikita, Asimina Kiourti, Μαρία Αθανασίου, Francesco P. Andriulli, Goutam Chattopadhyay , et al. · 2024

Working Hard and Laughing Loud [Women in Engineering] Open

Eva Rajo‐Iglesias, Francesca Vipiana · 2023

When my friend Francesca Vipiana asked me to write an article for this column, I immediately agreed, driven by my natural impulse to embrace work-related opportunities. This request came four years ago, but unfortunate circumstances preven…

Circular polarized 3D-printed cylindrical DRA using parasitic dielectric helix Open

Sebastián Díaz, Marcos Díaz, Eva Rajo‐Iglesias, Francisco Pizarro · 2023

Wide Band Interaction Impedance and Mode Excitation in Glide Symmetric Double Corrugated Waveguides for mm-wave TWTs Open

Nelson Castro, Miguel Saavedra-Melo, Eva Rajo‐Iglesias, Filippo Capolino · 2023

Focusing on traveling wave tube (TWT) applications, the interaction impedance between an electron beam and electromagnetic modes in three distinct, but related, corrugated waveguides that operate at millimeter waves is investigated togethe…

3-D-Printed Spiral Leaky Wave Antenna With Circular Polarization Open

Tomás Lira-Valdés, Eva Rajo‐Iglesias, Francisco Pizarro · 2023

This article presents the design, manufacturing and measurement of a fully dielectric leaky wave antenna operating at 18 GHz. The antenna is composed of a grounded dielectric substrate with a top dielectric Archimedean spiral corrugation, …

Dual-functional communication and sensing antenna system Open

Tanjir Alam, Michael Cheffena, Eva Rajo‐Iglesias · 2022

High gain low profile horn array with circular polarization using a 3D printed anisotropic dielectric composite material at 38 GHz Open

Nelson Castro, Francisco Pizarro, Eva Rajo‐Iglesias · 2022

In this work, the design of a fully 3D-printed dielectric polarizer based on anisotropic engineered material operating at 38 GHz is presented. The anisotropy conditions to obtain circular polarization are achieved by using an array of diel…

Cost-effective wideband dielectric planar lens antenna for millimeter wave applications Open

José-Manuel Poyanco, Francisco Pizarro, Eva Rajo‐Iglesias · 2022

This article presents a fully 3D-printed dielectric planar lens operating in the entire Ka-band manufactured using additive manufacturing and a relatively low-cost 3D-printer. The lens consists of ten concentric rings implemented using low…

Potential Use of Cold Plasma Discharges for Frequency Reconfigurability in a Sievenpiper Mushroom Metasurface Open

Francisco Pizarro, Pablo Stuardo, Ricardo Olivares, Eva Rajo‐Iglesias · 2021

This article presents a parametric study using full-wave simulations about the potential use of cold plasma discharges to achieve frequency reconfiguration on a Sievenpiper mushroom metasurface. The study was done by inserting plasma tubes…

On the Use of Ridge Gap Waveguide Technology for the Design of Transverse Stub Resonant Antenna Arrays Open

Javier Benavides-Vazquez, José‐Luis Vázquez‐Roy, Eva Rajo‐Iglesias · 2021

This paper presents some considerations on the design of a novel antenna consisting of the combination of a transverse stubs (TS) array excited by Ridge Gap Waveguides (RGWs), as well as a discussion of the experimental results obtained fr…

Ka-band planar slotted waveguide array based on groove gap waveguide technology with a glide-symmetric holey metasurface Open

L.F. Herrán, Astrid Algaba Brazález, Eva Rajo‐Iglesias · 2021

Array of stacked leaky-wave antennas in groove gap waveguide technology Open

Nafsika Memeletzoglou, Eva Rajo‐Iglesias · 2021

Ka-Band Diplexer for 5G mmWave Applications in Inverted Microstrip Gap Waveguide Technology Open

Carlos Sánchez‐Cabello, L.F. Herrán, Eva Rajo‐Iglesias · 2020

A new cost-efficient, low-loss Ka-band diplexer designed in inverted microstrip gap waveguide technology is presented in this paper. Gap waveguide allows to propagate quasi-TEM modes in the air between two metal plates without the need for…

Design of a Planar Array of Low Profile Horns at 28 GHz Open

Jou-Yi Wang, Malcolm Ng Mou Kehn, Eva Rajo‐Iglesias · 2020

A planar array of low profile horns fed by a transverse slotted waveguide array in the low millimeter-wave regime (28 GHz) is presented. The array of transverse slots cannot be directly used as antenna as it has grating lobes due to the fa…

Glide-Symmetric Holey Structures Applied to Waveguide Technology: Design Considerations Open

Zvonimir Šipuš, Katarina Cavar, Marko Bosiljevac, Eva Rajo‐Iglesias · 2020

Recently, there has been an increased interest in exploring periodic structures with higher symmetry due to various possibilities of utilizing them in novel electromagnetic applications. The aim of this paper is to discuss design issues re…

Periodic Structures With Higher Symmetries: Their Applications in Electromagnetic Devices Open

Óscar Quevedo-Teruel, Guido Valerio, Zvonimir Šipuš, Eva Rajo‐Iglesias · 2020

Higher symmetries frequently amaze human beings because of the illusions and incredible landscapes such symmetries can produce. For example, imagine the unearthly pictures of the Dutch graphic artist M.C. Escher. He made use of glide symme…

Ka band microstrip fed slot array antenna with PMC packaging Open

Carlos Sánchez‐Cabello, L.F. Herrán, Ashraf Uz Zaman, Eva Rajo‐Iglesias · 2020

A wideband slot array antenna fed by perfect magnetic conductor (PMC) packaged microstrip lines at 28 GHz frequency range is presented. The slot array is designed with conventional microstrip technology and a PMC layer is used as a packagi…

Array of Horns Fed by a Transverse Slotted Groove Gap Waveguide at 28 GHz Open

Malcolm Ng Mou Kehn, Chih-Kai Hsieh, Eva Rajo‐Iglesias · 2020

An array of low profile horns fed by transverse slots on a groove gap waveguide (GGWG) is presented. The GGWG is implemented with glide symmetrical holes and the design frequency is 28 GHz. The low profile horns are integrated in the same …

Design and Realization of a Band Pass Filter at D-band Using Gap Waveguide Technology Open

José‐Luis Vázquez‐Roy, Eva Rajo‐Iglesias, Giacomo Ulisse, Viktor Krozer · 2020

Considerations of impedance sensitivity and losses in designing inverted microstrip gap waveguides Open

Francisco Pizarro, Carlos Sánchez‐Cabello, José‐Luis Vázquez‐Roy, Eva Rajo‐Iglesias · 2020

3D-Printing for Transformation Optics in Electromagnetic High-Frequency Lens Applications Open

José-Manuel Poyanco, Francisco Pizarro, Eva Rajo‐Iglesias · 2020

This article presents the design, construction and analysis of a 3D-printed transformed hyperbolic flat lens working on the 30 GHz band. The transformed lens was printed using only one ABS dielectric filament of relative permittivity of 12…

3D-Printed Sievenpiper Metasurface Using Conductive Filaments Open

Pablo Stuardo, Francisco Pizarro, Eva Rajo‐Iglesias · 2020

This article presents the design, construction and measurement of different 3D-printed Sievenpiper metasurfaces. The structures were printed using a conductive filament combined with regular polylactic acid PLA. Measurement shows a good ag…

Comparison study of 4×4 Butler matrices in microstrip technologies for Ka-band Open

Francisco Pizarro, David Ramírez-Gil, Astrid Algaba Brazález, Luis Fernando Herrán-Ontanón, Eva Rajo‐Iglesias · 2020

Roadmap on metasurfaces Open

Óscar Quevedo-Teruel, Hongsheng Chen, Ana Díaz‐Rubio, Gurkan Gok, Anthony Grbic , et al. · 2019

Metasurfaces are thin two-dimensional metamaterial layers that allow or inhibit the propagation of electromagnetic waves in desired directions. For example, metasurfaces have been demonstrated to produce unusual scattering properties of in…

$Ka$ -Band Fully Metallic TE<sub>40</sub> Slot Array Antenna With Glide-Symmetric Gap Waveguide Technology Open

Qingbi Liao, Eva Rajo‐Iglesias, Óscar Quevedo-Teruel · 2019

Gap waveguide has recently been proposed as a low-loss and low-cost technology for millimeter-wave components. The main advantage of the gap waveguide technology is that the microwave components can be manufactured in two metallic pieces t…

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