Browsing by UPNA Author "Torres Landívar, Víctor"
Now showing items 1-15 of 15
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Accurate circuit modeling of fishnet structures for negative-index-medium applications
Torres Landívar, Víctor
; Mesa, Francisco; Navarro Cía, Miguel 
; Rodríguez Berral, Raúl; Beruete Díaz, Miguel ; Medina, Francisco (IEEE, 2016)
Artículo / Artikulua 
Metallic plates with a two-dimensional (2D) periodic distribution of sub-wavelength apertures are known to exhibit extraordinary transmission of electromagnetic waves. Stacking two or more of such plates gives place to the ... -
All-metallic ε-near-zero (ENZ) lens based on ultra-narrow hollow rectangular waveguides: experimental results
Orazbayev, Bakhtiyar ; Torres Landívar, Víctor ; Pacheco-Peña, Víctor ; Falcone Lanas, Francisco Javier ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Engheta, Nader (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
Here we perform numerical and experimental investigation of plano-concave all-metallic ε-near-zero (ENZ) lens with operational frequency f = 144 GHz. The ENZ lens is achieved by stacking an array of narrow hollow rectangular ... -
Análisis del comportamiento de esquemas de modulación adaptativos en LTE
Torres Landívar, Víctor; Esparza Alfaro, Fermín ; Falcone Lanas, Francisco Javier (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the behaviour of several modulation schemes used in 3GPP R8 or Long Term Evolution (LTE) Systems is analyzed. In order to increase the capacity of future mobile networks, high order modulation schemes like ... -
Compact dual-band terahertz quarter-wave plate metasurface
Torres Landívar, Víctor; Etayo Salinas, David ; Ortuño Molinero, Rubén ; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IEEE, 2014)
Artículo / Artikulua
A dual-band quarter-wave plate based on a modified extraordinary transmission hole array is numerically analyzed and experimentally demonstrated at terahertz frequencies. To control independently orthogonal polarizations, ... -
Evalución de dosimetría de campos electromagnéticos en el entorno interior doméstico
Esparza Alfaro, Fermín; Carranza, Noemí; Torres Landívar, Víctor ; Falcone Lanas, Francisco Javier ; Ramos González, Victoria (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the evaluation of radiofrequency exposure in a domestic environment is analyzed. 3D raytracing simulation results are compared with dossimetry measurement results in a probe household in a dense urban area ... -
Experimental demonstration of a millimeter-wave metallic ENZ lens based on the energy squeezing principle
Torres Landívar, Víctor; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario (IEEE, 2015)
Artículo / Artikulua
The performance of an epsilon-near zero (ENZ) plano-concave lens is experimentally demonstrated and verified at the D-band of the millimeter-waves. The lens is comprised of an array of narrow metallic waveguides near cut-off ... -
Experimental demonstration of lossy mode and surface plasmon resonance generation with Kretschmann configuration
Del Villar, Ignacio ; Torres Landívar, Víctor ; Beruete Díaz, Miguel (Optical Society of America, 2015)
Artículo / Artikulua
Lossy mode resonances (LMRs) and surface plasmon resonaces (SPRs) are obtained experimentally with a Kretschmann configuration using a BK7 glass prism with all sides polished and coated with indium tin oxide (ITO). The ... -
Indium tin oxide refractometer in the visible and near infrared via lossy mode and surface plasmon resonances with Kretschmann configuration
Torres Landívar, Víctor; Beruete Díaz, Miguel ; Sánchez Zábal, Pedro ; Del Villar, Ignacio (AIP Publishing, 2016)
Artículo / Artikulua
An indium tin oxide (ITO) refractometer based on the generation of lossy mode resonances (LMRs) and surface plasmon resonances (SPRs) is presented. Both LMRs and SPRs are excited, in a single setup, under grazing angle ... -
Mechanical 144GHz beam steering with all-metallic epsilon-near-zero lens antenna
Pacheco-Peña, Víctor ; Torres Landívar, Víctor ; Orazbayev, Bakhtiyar ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Engheta, Nader (AIP Publishing, 2014)
Artículo / Artikulua
An all-metallic steerable beam antenna composed of an ε-near-zero (ENZ) metamaterial lens is experimentally demonstrated at 144 GHz (λ0 = 2.083 mm). The ENZ lens is realized by an array of narrow hollow rectangular waveguides ... -
Mid-infrared plasmonic inductors: enhancing inductance with meandering lines
Torres Landívar, Víctor; Ortuño Molinero, Rubén ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Griol, Amadeu; Martínez, Alejandro; Navarro Cía, Miguel (Nature Publishing Group, 2014)
Artículo / Artikulua
We present a mid-infrared inductor that when applied to an extraordinary transmission hole array produces a strong redshift of the resonant peak accompanied by an unprecedented enlargement of the operation bandwidth. The ... -
Plasmonics and metamaterials at terahertz frequencies
Torres Landívar, Víctor (2014)
Tesis doctoral / Doktoretza tesia
The research presented in this manuscript falls under the framework of metamaterials and plasmonics. It is mainly focused on applications at terahertz (THz) frequencies, a spectral band located between microwaves and ... -
A slow light fishnet-like absorber in the millimeter-wave range
Navarro Cía, Miguel ; Torres Landívar, Víctor ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (EMW Publishing, 2011)
Artículo / Artikulua
A novel route to achieve a narrowband free-space electromagnetic absorber in any range of the spectrum based on stacked subwavelength hole arrays is proposed. The absorption is obtained by means of a slow light mode inside ... -
Terahertz epsilon-near-zero graded-index lens
Torres Landívar, Víctor; Pacheco-Peña, Víctor ; Rodríguez Ulibarri, Pablo ; Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Engheta, Nader (Optical Society of America, 2013)
Artículo / Artikulua
An epsilon-near-zero graded-index converging lens with planar faces is proposed and analyzed. Each perfectly-electric conducting (PEC) waveguide comprising the lens operates slightly above its cut-off frequency and has ... -
Ultra-compact planoconcave zoned metallic lens based on the fishnet metamaterial
Pacheco-Peña, Víctor ; Orazbayev, Bakhtiyar ; Torres Landívar, Víctor ; Beruete Díaz, Miguel ; Navarro Cía, Miguel (AIP Publishing, 2013)
Artículo / Artikulua
A 1.5λ0 -thick planoconcave zoned lens based on the fishnet metamaterial is demonstrated experimentally at millimeter wavelengths. The zoning technique applied allows a volume reduction of 60% compared to a full fishnet ... -
ε-near-zero (ENZ) graded index quasi-optical devices: steering and splitting millimeter waves
Pacheco-Peña, Víctor ; Torres Landívar, Víctor ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Engheta, Nader (IOP Publishing, 2014)
Artículo / Artikulua
Graded index ε near-zero (GRIN-ENZ) quasi-optical components such as beam steerers and power splitters are designed, simulated and analyzed. The GRIN-ENZ medium is realized using stacked narrow hollow waveguides whose ...
