Browsing by Author "Maagt, Peter de"
Now showing items 1-20 of 24
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Análisis de efecto de un superestrato left-handed en la apertura de una guía rectangular
Sáenz Sáinz, Elena
; Gonzalo García, Ramón 
; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena 
In this paper, results showing the experimental verification of the gain improvement of a rectangular waveguide antenna when a left-handed material (LHM) is used as superstrate are presented. The improvement has been ... -
Boresight radiation of a dipole antenna with a uniform or non-uniform left handed superstrate
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper measurements of the radiation performances of a dipole fed by a coaxial balun and a dipole with a left handed superstrate based on a finite periodic repetition of a unit cell are compared. Two types ... -
Broadband radar cross-section reduction using AMC technology
Iriarte Galarregui, Juan Carlos ; Tellechea Pereda, Amagoia ; Martínez de Falcón, José Luis ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2013)
Artículo / Artikulua
This paper presents the design, fabrication and characterization of a planar broadband chessboard structure to reduce the radar cross-section (RCS) of an object. The chessboard like configuration is formed by combining two ... -
A dedicated numerical technique for field simulations of antennas on electromagnetic band-gap substrates
Hon, B.P. de; Beurden, M.C. van; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Azcona, L.; Alderman, B.; Huggard, P.G.; Marchand, L.; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
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Design of a multifrequency antenna array with the use of left-handed superstrates
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performances of different antenna configuration based on Left-Handed superstrates are presented. First of all, the behaviour of a Left- Handed (LH) unit cell is analysed, showing a resonant ... -
Design of a planar meta-surface based on dipoles and wires for antenna applications
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the design of a planar meta-surface based on dipoles and wires is presented. The unit cell is formed by three independent layers, which contain two parallel dipoles and one wire. The behaviour of these ... -
Dipolos y metamateriales: mejora de las características de radiación
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
Domain integral equations for electromagnetic band-gap slab simulations
Hon, B.P. de; Beurden, M.C. van; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Azcona, L.; Alderman, B.; Huggard, P.G.; Maagt, Peter de; Marchand, L. (2004)
Contribución a congreso / Biltzarrerako ekarpena
Electromagnetic band-gap substrates o er advantages regarding cross-coupling in sub-mm range imaging array applications. Electromagnetic scattering by such substrates may e ectively be formulated in terms of integro- di ... -
Electromagnetic band gap technology for millimetre wave applications
Ederra Urzainqui, Íñigo (2004)
Tesis doctoral / Doktoretza tesia
En esta tesis se ha estudiado el uso de estructuras Electromagnetic Bandgap (EBG) para frecuencias en la banda de las millimétricas. Estas frecuencias son muy apropiadas para aplicaciones de generación de imágenes ... -
Enhanced radiation properties of a rectangular waveguide by means of a left handed media
Sáenz Sáinz, Elena; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the results of experimental investigations to improve the gain between two antennas by means of a Left Handed Material (LHM) are presented. The basic idea is the use of a LHM media acting as a resonator ... -
Enhancement of the power radiated by a dipole antenna at boresight by means of a left handed superstrate
Sáenz Sáinz, Elena; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a comparison between the measured radiation performances of a single dipole and a dipole with a left handed superstrate based on a finite periodic repetition of a unit cell is presented. First of all the ... -
High efficient dipole antennas by using left-handed superstrates
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
This paper deals with pass band properties of Left Handed Media (LHM) to enhance dipole antenna performances. The LHM properties have been used in order to make high directivity antennas with good return loss features. The ... -
Low profile multi-frequency dipole antenna array based on planar meta-surfaces
Sáenz Sáinz, Elena; Ikonen, Pekka; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Tretyakov, Sergei A.; Maagt, Peter de (IEEE, 2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performance of a low profile multi-frequency dipole antenna array with a planar meta-surface is presented. The meta-surface consists of two closely located parallel grids of short dipoles and ... -
Manufacture and characteristics of wide bandwith, 3-D, EBG crystals for sub-millimetre antenna substrates
Azcona, L.; Alderman, B.; Huggard, P.G.; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Hon, B.P. de; Beurden, M.C. van; Marchand, L.; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
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A metamaterial T-junction power divider
Sáenz Sáinz, Elena; Cantora Álvarez, Alejandro; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2007)
Artículo / Artikulua
A metamaterial based compact microstrip T-junction power divider working at 10 GHz is proposed. The metamaterial unit cell consists of microstrip gaps and via holes whose behavior is equivalent to the combination of ... -
Metamaterials as super-substrate to enhance dipole antenna performances
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
Planar DNG superstrate for dipole antenna gain enhancement
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Ikonen, Pekka; Tretyakov, Sergei A.; Maagt, Peter de (2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a volumetric double-negative (DNG) superstrate based on grids of dipoles and wires for dipole antenna applications is proposed. -
Radiation performances of a dipole array configuration inserted in a left-handed media
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the radiation improvements achieved when Left Handed Media (LHM) are combined with dipole antennas has been analysed. The behavior of two dipole antennas in array configuration when a Left Handed superstrate ... -
Radiation performances of a multifrequency dipole antenna array with a left handed superstrate
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performances of a multifrequency antenna array (MFAA) which consists of two dipoles (1 and 3) that are radiating at 9.57 GHz and other one (dipole 2) radiating at 11.98 GHz are presented. In ... -
Research on metamaterials for antenna applications
Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Iriarte Galarregui, Juan Carlos ; Martínez Pascual, Beatriz ; Sáenz Sáinz, Elena ; Cantora Álvarez, Pablo; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
During the last 20 years a lot of attention has been paid to apply Electromagnetic Band Gap (EBG) technology in different frequency ranges, from microwaves to optics. EBG technology is based on the use of periodic structures ...
