Jorge A. Ruiz‐Cruz
YOU?
Author Swipe
View article: Advanced Multipactor Testing With Enhanced Power Efficiency for Space Applications
Advanced Multipactor Testing With Enhanced Power Efficiency for Space Applications Open
View article: Theory and Design of Waveguide Dual Polarization-Plane Rotators Based on Rotational Corrugations
Theory and Design of Waveguide Dual Polarization-Plane Rotators Based on Rotational Corrugations Open
This work presents a framework for the introduction of reciprocal dual polarization-plane rotators in waveguide technology. This concept is presented using rotational and longitudinal unit cells (rotational corrugations), stating rigorousl…
View article: Gysel combiners with high-selectivity filtering characteristics: analysis and design
Gysel combiners with high-selectivity filtering characteristics: analysis and design Open
This paper provides the details of a novel systematic design methodology for two-way in-phase filtering Gysel splitter/combiner networks with high selectivity, which finds application in high power amplifier modules. It simultaneously real…
View article: Advanced Modeling of Circular Waveguide-Based Devices With Smooth Profiles Using Transformation Optics and Hierarchical Model Reduction
Advanced Modeling of Circular Waveguide-Based Devices With Smooth Profiles Using Transformation Optics and Hierarchical Model Reduction Open
A powerful and accurate analysis method for the full-wave analysis of circular waveguide-based devices is introduced. The method uses transformation optics, hierarchical model reduction, and the finite element method. First, transformation…
View article: Modeling Transmission Lines With Open Boundaries via Infinite Mapping Layer
Modeling Transmission Lines With Open Boundaries via Infinite Mapping Layer Open
In this paper we introduce the use of several different Infinite Mapping Layers to model open boundaries in the 2-D Finite Element Method for the computation of transmission line parameters. The transformation maps a semi-infinite interval…
View article: Modal Spectrum Shaping and Rotational Unit-Cell Design of Second-Order Symmetric Waveguides
Modal Spectrum Shaping and Rotational Unit-Cell Design of Second-Order Symmetric Waveguides Open
© 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, cre…
View article: Selective Laser Sintering of Waveguide Devices for 5G and 6G Communication Systems
Selective Laser Sintering of Waveguide Devices for 5G and 6G Communication Systems Open
This article presents an overview of different waveguide devices implemented by additive manufacturing using the Selective Laser Sintering technique showing high performances for both terrestrial and space applications. Firstly, two types …
View article: Dual-Mode Conical Horn Antenna with 2-D Azimuthal Monopulse Pattern for Millimeter-Wave Applications
Dual-Mode Conical Horn Antenna with 2-D Azimuthal Monopulse Pattern for Millimeter-Wave Applications Open
In this paper, a novel concept of a three-dimensional full metal system including a Dual-Mode Converter (DMC) network integrated with a high-gain Conical Horn Antenna (CHA) is presented. This system is designed for 5G millimeter wave appli…
View article: A Novel Multi-Resonant Rectangular Waveguide Junction and Its Applications in Compact Waveguide Multi-Band Filters and Multiplexers
A Novel Multi-Resonant Rectangular Waveguide Junction and Its Applications in Compact Waveguide Multi-Band Filters and Multiplexers Open
This paper presents a novel multi-resonant rectangular waveguide junction suitable for the design of multi-band filters and multiplexers. The junction can have multiple posts to realize up to four resonant modes. The compact designs, enabl…
View article: A Novel Compact Six-Pole Filtering Gysel Combiner
A Novel Compact Six-Pole Filtering Gysel Combiner Open
This paper presents a novel two-way in-phase filtering Gysel splitter/combiner realized through a network of six-pole compact cross-coupled resonators. The network simultaneously realizes a filtering function and a two-way splitter/combine…
View article: Rectangular Waveguide Radial Combiners With Coaxial or Circular Intermediate Waveguide Sections Based on Stub Matching
Rectangular Waveguide Radial Combiners With Coaxial or Circular Intermediate Waveguide Sections Based on Stub Matching Open
This article presents a systematic design approach and a novel configuration for compact radial combiners with rectangular waveguide ports. The design approach relies on utilizing short-circuited stubs to match the rectangular waveguide po…
View article: Beam Steering 3D Printed Dielectric Lens Antennas for Millimeter-Wave and 5G Applications
Beam Steering 3D Printed Dielectric Lens Antennas for Millimeter-Wave and 5G Applications Open
Two types of cost-efficient antennas based on dielectric gradient index dielectric lens have been designed for 5G applications at 28 GHz. The first is a linearly polarized flat lens antenna (LP-FLA) for terrestrial 5G communications. The s…
View article: A New Class of Filtering Coupler Networks in Both Co-Directional and Contra-Directional Configurations Based on Cross-Coupled Resonators
A New Class of Filtering Coupler Networks in Both Co-Directional and Contra-Directional Configurations Based on Cross-Coupled Resonators Open
This article presents a comprehensive treatment and a systematic design methodology of filtering couplers based on canonical coupled resonator networks. A theoretical framework for the network design process is first presented, paving the …
View article: Normal Incidence Scattering of Waveguide-Like Periodic Structures in Scalar 2D-FEM Mode-Matching Extracting the Frequency Dependence
Normal Incidence Scattering of Waveguide-Like Periodic Structures in Scalar 2D-FEM Mode-Matching Extracting the Frequency Dependence Open
The problem of scattering by periodic structures composed of waveguide-like unit cells can be tackled from a Mode-Matching perspective. Existing approaches for hybridisation through this technique using Floquet modes and the 2D Finite Elem…
View article: Advanced Modeling of Rectangular Waveguide Devices With Smooth Profiles by Hierarchical Model Reduction
Advanced Modeling of Rectangular Waveguide Devices With Smooth Profiles by Hierarchical Model Reduction Open
We present a new method for the analysis of smoothly varying tapers, transitions, and filters in rectangular waveguides. With this aim, we apply a hierarchical model (HiMod) reduction to the vector Helmholtz equation. We exploit a suitable…
View article: Native 2-D-FEM/Mode-Matching Formulation for Second-Order Symmetric Waveguide Devices
Native 2-D-FEM/Mode-Matching Formulation for Second-Order Symmetric Waveguide Devices Open
© 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, cre…
View article: Application of FSS-cells Stacking to the Conception of Compact Inline Waveguide Polarizers Lucas
Application of FSS-cells Stacking to the Conception of Compact Inline Waveguide Polarizers Lucas Open
International audience
View article: Dual Mode Monopulse Conical Horn Antenna for 5G Millimeter-Wave band Applications
Dual Mode Monopulse Conical Horn Antenna for 5G Millimeter-Wave band Applications Open
A dual mode monopulse network at K-band is presented for 5G space applications. This network consists of two mode converters from rectangular to circular waveguide. The first converter excites the TE11° mode and the second excites the TE01…
View article: Ink-jet Implementation of Stacked Planar and Conformal Array Antennas for Wireless Applications
Ink-jet Implementation of Stacked Planar and Conformal Array Antennas for Wireless Applications Open
This work addresses a double stacked array antenna with linear and circularly conformal disposition of patch elements. The single patch element is designed in the 5 GHz band based on the inkjet-printing technique. The idea is to generate a…
View article: Numerical Study on the Orthogonality of the Fields Radiated by an Aperture
Numerical Study on the Orthogonality of the Fields Radiated by an Aperture Open
This work studies the orthogonality of the fields radiated by the different modes of a radiating aperture. Waveguide modes exhibit an orthogonality property at the aperture cross-section that can be used to simplify calculations. However, …
View article: Advanced Modeling of Rectangular Waveguide Devices with Smooth Profiles by Hierarchical Model Reduction
Advanced Modeling of Rectangular Waveguide Devices with Smooth Profiles by Hierarchical Model Reduction Open
We present a new method for the analysis of smoothly varying tapers, transitions and filters in rectangular waveguides. With this aim, we apply a Hierarchical Model (HiMod) reduction to the vector Helmholtz equation. We exploit a suitable …
View article: Uncertainty Budget in Microwave High-Power Testing
Uncertainty Budget in Microwave High-Power Testing Open
Space-borne radio frequency (RF) systems must cope with hard qualification procedures, including the evaluation of high-power handling capability of equipment for space applications. Whatever the electrical parameter is being measured, the…
View article: Modular Design of Pyramidal Radial Combiners Based on Nonuniform Parallel Plate Waveguide Sections With Constant Impedance
Modular Design of Pyramidal Radial Combiners Based on Nonuniform Parallel Plate Waveguide Sections With Constant Impedance Open
“© 1963-2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purpose…
View article: On the Use of Quadrilateral Meshes for Enhanced Analysis of Waveguide Devices with Manhattan-Type Geometry Cross-Sections
On the Use of Quadrilateral Meshes for Enhanced Analysis of Waveguide Devices with Manhattan-Type Geometry Cross-Sections Open
This work addresses the suitability of using structured meshes composed of quadrilateral finite elements, instead of the classical unstructured meshes made of triangular elements. These meshes are used in the modal analysis of waveguides w…
View article: Manufacturing Guidelines for W-Band Full-Metal Waveguide Devices: Selecting the most appropriate technology
Manufacturing Guidelines for W-Band Full-Metal Waveguide Devices: Selecting the most appropriate technology Open
International audience
View article: Waveguide Manufacturing Technologies for Next-Generation Millimeter-Wave Antennas
Waveguide Manufacturing Technologies for Next-Generation Millimeter-Wave Antennas Open
Some recent waveguide-based antennas are presented in this paper, designed for the next generation of communication systems operating at the millimeter-wave band. The presented prototypes have been conceived to be manufactured using differ…
View article: Design of Ridge Waveguide Radial Combiners
Design of Ridge Waveguide Radial Combiners Open
“© 1963-2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purpose…
View article: Degeneracy-Discriminating Modal FEM Computation in Higher Order Rotationally Symmetric Waveguides
Degeneracy-Discriminating Modal FEM Computation in Higher Order Rotationally Symmetric Waveguides Open
© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, cre…
View article: Additive manufacturing of a compact Ku-band orthomode transducer
Additive manufacturing of a compact Ku-band orthomode transducer Open
This work presents a compact ortho-mode transducer (OMT) built by additive manufacturing in a single-block, reducing the number of parts and flanges and improving the losses and power handling capability. The single-block approach also red…
View article: Triple-Radiation Pattern Monopulse Horn Feed With Compact Single-Layer Comparator Network
Triple-Radiation Pattern Monopulse Horn Feed With Compact Single-Layer Comparator Network Open
© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, cre…