Listar por tema "Terahertz"
Mostrando ítems 1-19 de 19
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Design and characterization of terahertz CORPS beam forming networks
Biurrun Quel, Carlos
; Haddad, Thomas; Sievert, Benedikt; Kress, Robin; Weimann, Nils; Erni, Daniel; Rennings, Andreas; Stöhr, Andreas; Teniente Vallinas, Jorge ; Río Bocio, Carlos del (Springer, 2023)
Artículo / Artikulua 
This work reviews the design and applicability of beam-forming networks based on Coherently Radiating Periodic Structures (CORPS-BFN) at Terahertz (THz) frequency bands. These versatile networks offer two operation modes: ... -
Design of terahertz sensors based on metasurfaces for fungal infection detection
(2016) Trabajo Fin de Grado/Gradu Amaierako Lana
El trabajo propuesto trata sobre el diseño de sensores en la banda de terahercios para la detección de “thin films” y microorganismos, en particular de hongos. En primer lugar, se ha realizado un estudio profundo de ... -
Design of THz metasurfaces for thin-film sensing
(2018) Trabajo Fin de Máster/Master Amaierako Lana
El trabajo propuesto trata sobre el diseño de metasuperficies en la banda de los terahercios para su uso como sensores de películas muy delgadas. En primer lugar, se ha llevado a cabo un estudio profundo ... -
Dual-band and integrated detectors for submillimetre applications
Torres García, Alicia E. (2020)
Tesis doctoral / Doktoretza tesia
La primera parte de este trabajo está enfocada en el diseño de detectores multibanda asequibles e integrados en el rango de los terahercios. De esta manera se puede obtener información de diferentes rangos espectrales en ... -
Experimental realization of an epsilon-near-zero graded-index metalens at terahertz frequencies
Pacheco-Peña, Víctor ; Engheta, Nader; Kuznetsov, Sergei A.; Gentselev, Alexandr; Beruete Díaz, Miguel (American Physical Society, 2017)
Artículo / Artikulua
The terahertz band has been historically hindered by the lack of efficient generators and detectors, but a series of recent breakthroughs have helped to effectively close the “terahertz gap.” A rapid development of terahertz ... -
Extraordinary THz transmission with a small beam spot: the leaky wave mechanism
Navarro Cía, Miguel ; Pacheco-Peña, Víctor ; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (Wiley, 2018)
Artículo / Artikulua
The discovery of extraordinary optical transmission (EOT) through patterned metallic foils in the late 1990s was decisive for the development of plasmonics and cleared the path to employ small apertures for a variety of ... -
Integration of a photodiode for THz generation in the framework of TERALINKS Project
(2018) Trabajo Fin de Máster/Master Amaierako Lana
El crecimiento en la demanda de mayores velocidades en redes inalámbricas lleva a incrementar los recursos asignados al usuario, lo que se traduce en necesidad de mayores anchos de banda. La banda de Terahercios resulta ... -
Labyrinth absorber based on metageometries metasurface for fungi detection
Jáuregui López, Irati ; Rodríguez Ulibarri, Pablo ; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a labyrinth metasurface based in the new paradigm of metageometries is designed to operate in the Terahertz (THz) band as a biosensor. First, a numerical study is carried out to study the performance of the ... -
Labyrinth metasurface absorber for ultra-high-sensitivity terahertz thin film sensing
Jáuregui López, Irati ; Rodríguez Ulibarri, Pablo ; Urrutia Azcona, Aitor ; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (Wiley, 2018)
Artículo / Artikulua
In this work, a labyrinth metasurface sensor operating at the low‐frequency edge of the THz band is presented. Its intricate shape leads to a high electric field confinement on the surface of the structure, resulting in ... -
Labyrinth metasurface for biosensing applications: numerical study on the new paradigm of metageometries
Jáuregui López, Irati ; Rodríguez Ulibarri, Pablo ; Kuznetsov, Sergei A.; Quemada Mayoral, Carlos ; Beruete Díaz, Miguel (MDPI, 2019)
Artículo / Artikulua
The use of metasurfaces operating in the terahertz regime as biosensor devices has attracted increased interest in recent years due to their enhanced sensitivity and more accurate detection capability. Typical designs are ... -
Leaky wave antennas, plasmonics and metamaterials in the terahertz
Beaskoetxea Gartzia, Unai (2017)
Tesis doctoral / Doktoretza tesia
La demostración del fenómeno de EOT en el rango de las milimétricas y las microondas y la presentación de la antena BE de onda de fuga en [53], propició el desarrollo de diversas antenas BE corrugadas, cada una de ellas ... -
Metageometries for polycyclic aromatic hydrocarbons detection at THz range in food systems
Jáuregui López, Irati ; Insausti Barrenetxea, Kizkitza ; Beriain Apesteguía, María José ; Beruete Díaz, Miguel (IEEE, 2021)
Artículo / Artikulua
Polycyclic aromatic hydrocarbons, when present in food systems, have been shown to have a detrimental effect on human health, producing carcinogenic elements. So, the implementation of processes for their detection and ... -
Perfeccionamiento de dispositivos a alta frecuencia usando metamateriales: lente binaria de Fresnel y lente super-oscilatoria
(2017) Trabajo Fin de Grado/Gradu Amaierako Lana
El trabajo propuesto trata en primer lugar del diseño, simulación, construcción y medición experimental de dos lentes binarias cuadradas zonadas de Fresnel (BSFZPL, por sus siglas en inglés) utilizando metamateriales ... -
Silicon-based 0.450-0.475 THz series-fed double dielectric resonator on-chip antenna array based on metamaterial properties for integrated-circuits
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
The antenna array designed to operate over 0.450-0.475 Terahertz comprises two dielectric resonators (DRs) that are stacked vertically on top of each other and placed on the surface of the slot antenna fabricated on a ... -
A study of super-oscillatory lenses of high frecuencies using metamaterials
(2020) Trabajo Fin de Máster/Master Amaierako Lana
The first part of this work deals with the design, numerical demonstration and experimental characterization of an ultra-thin super-oscillatory lens (SOL) based on metamaterials (MTMs) at the Terahertz range, with a ... -
Super-oscillatory metalens at terahertz for enhanced focusing with reduced side lobes
Legaria Lerga, Santiago; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (MDPI, 2018)
Artículo / Artikulua
In this paper, we design and numerically demonstrate an ultra-thin super-oscillatory metalens with a resolution below the diffraction limit. The zones of the lens are implemented using metasurface concepts with hexagonal ... -
Suppressing open stopband for terahertz periodic microstrip leaky-wave antennas
Haddad, Thomas; Biurrun Quel, Carlos ; Lu, Peng; Kaya, Hacer; Mohammad, Israa; Stöhr, Andreas (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
This paper reports on a periodic microstrip Leaky-wave antenna (LWA). The open stopband issue is suppressed by altering the unit cell using a matching stub. The developed LWA is based on a grounded InP-substrate of 50 ... -
THz sensing with anomalous extraordinary optical transmission hole arrays
Jáuregui López, Irati ; Rodríguez Ulibarri, Pablo ; Kuznetsov, Sergei A.; Nikolaev, Nazar A.; Beruete Díaz, Miguel (MDPI, 2018)
Artículo / Artikulua
Subwavelength hole array (HA) metasurfaces support the so-called extraordinary optical transmission (EOT) resonance that has already been exploited for sensing. In this work, we demonstrate the superior performance of a ... -
Tripod-loop metasurfaces for terahertz-sensing applications: a comparison
Jáuregui López, Irati ; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (MDPI, 2020)
Artículo / Artikulua
The high electric field intensity achieved on the surface of sensors based on metasurfaces (metasensors) makes them an excellent alternative for sensing applications where the volume of the sample to be identified is tiny ...
