Microstrip to Double Ridge Empty Substrate Integrated Waveguide Transitions Based on Exponential and Superelliptical Dielectric Taper. - David Herraiz; Héctor Esteban; Darío Herraiz; Ana Vidal-Pantaleoni; Angel Belenguer; Vicente E. Boria (IEEE Access, 2021)

Dielectricless Floating-Patch Antenna at 28 GHz Fed With an Empty Substrate Integrated Waveguide. - Marcos D. Fernandez; Darío Herraiz; David Herraiz; Akram Alomainy; Angel Belenguer (IEEE Access, 2023)

Simplified High-Efficiency Soldering Method for the Fabrication of Devices on Empty Substrate Integrated Waveguides. - Marcos D. Fernandez; Angel Belenguer; Darío Herraiz; Leticia Martinez; José A. Ballesteros (IEEE Access, 2024)

Low-Loss Periodically Air-Filled Substrate Integrated Waveguide (SIW) Band-Pass Filters. - Raúl García; Angela M. Coves; Darío Herraiz; Ángel Antonio San-Blas; Maurizio Bozzi (IEEE Access, 2024)

High-Directivity and Low-Loss Directional Couplers Based on Empty Substrate Integrated Coaxial Line Technology. - David Herraiz; Héctor Esteban; Darío Herraiz; Juan J. De Dios; Marcos D. Fernandez; Angel Belenguer; Vicente E. Boria (IEEE Access, 2024)