E. Alfonso

Local Metamaterial-Based Waveguides in Gaps Between Parallel Metal Plates

Per-Simon Kildal, E. Alfonso, Alejandro Valero‐Nogueira et al. · IEEE Antennas and Wireless Propagation Letters · 2009 · 875 citations

Engineering, Acoustic Metamaterial, Metasurfaces +18

Design and experimental verification of ridge gap waveguide in bed of nails for parallel-plate mode suppression

P.-S. Kildal, Ashraf Uz Zaman, Eva Rajo‐Iglesias et al. · IET Microwaves Antennas & Propagation · 2011 · 412 citations · Full text

Ridge Gap Waveguide, Electrical Engineering, Experimental Verification +12

Experimental Demonstration of Local Quasi-TEM Gap Modes in Single-Hard-Wall Waveguides

Alejandro Valero‐Nogueira, E. Alfonso, José I. Herranz-Herruzo et al. · IEEE Microwave and Wireless Components Letters · 2009 · 72 citations

Photonics, Engineering, Physics +15

Gap Waveguides Using a Suspended Strip on a Bed of Nails

Alejandro Valero‐Nogueira, José I. Herranz-Herruzo, E. Alfonso et al. · IEEE Antennas and Wireless Propagation Letters · 2011 · 57 citations · Full text

Ridge Gap Waveguide, Engineering, New Type +11

Resemblance between gap waveguides and hollow waveguides

Hasan Raza, Jian Yang, Per‐Simon Kildal et al. · IET Microwaves Antennas & Propagation · 2013 · 55 citations · Full text

Numerical Analysis, Photonics, Waveguides +10