Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por título
Mostrando ítems 226-245 de 391
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Multicolor layer-by-layer films using weak polyelectrolyte assisted synthesis of silver nanoparticles
Rivero Fuente, Pedro J.
; Goicoechea Fernández, Javier ; Urrutia Azcona, Aitor ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Springer, 2013)
Artículo / Artikulua 
In the present study, we show that silver nanoparticles (AgNPs) with different shape, aggregation state and color (violet, green, orange) have been successfully incorporated into polyelectrolyte multilayer thin films using ... -
Multifrequency focusing and wide angular scanning of terajets
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Minin, Igor V.; Minin, Oleg V. (Optical Society of America, 2015)
Artículo / Artikulua
In the past, it has been demonstrated that it is possible to produce terajets with high resolution at its focus using 3D dielectric cuboids under plane-wave illumination. Here, a systematic study of the harmonic and angular ... -
Multiplexing of six micro-displacement suspended-core Sagnac interferometer sensors with a Raman-Erbium fiber laser
Bravo Acha, Mikel ; Fernández Vallejo, Montserrat ; Echapare Zabaleta, Mikel; López-Amo Sáinz, Manuel ; Kobelke, J.; Schuster, K. (Optical Society of America, 2013)
Artículo / Artikulua
This work experimentally demonstrates a long-range optical fiber sensing network for the multiplexing of fiber sensors based on photonic crystal fibers. Specifically, six photonic crystal fiber sensors which are based ... -
A multipolar analysis of near-field absorption and scattering processes
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Ziolkowski, Richard W. (IEEE, 2013)
Artículo / Artikulua
A multipolar formulation is adopted to investigate the absorption and scattering processes involved in near-field interactions. This approach allows one to determine the upper bounds for the absorbed and radiated powers ... -
Multiwavelength Raman fiber lasers using Hi-Bi photonic crystal fiber loop mirrors combined with random cavities
Rodrigues Pinto, Ana Margarida; Frazão, Orlando; Santos, José Luís; López-Amo Sáinz, Manuel (IEEE / OSA, 2011)
Artículo / Artikulua
Different multiwavelength Raman fiber lasers based on a hybrid cavity set-up are proposed. The lasing schemes are based in highly birefringent photonic crystal fiber loop mirrors combined with random cavities. The Hi-Bi ... -
Nanodeposition of materials with complex refractive index in long period fiber gratings
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Achaerandio, Miguel (IEEE, 2005)
Artículo / Artikulua
An overlay of higher refractive index than the cladding is deposited on a Long Period Fiber Grating (LPFG). This permits to improve in a great manner the sensitivity of the device to ambient and overlay refractive index ... -
Nanofabrication of phase-shifted Bragg gratings on the end facet of multimode fiber towards development of optical filters and sensors
Gallego Martínez, Elieser Ernesto; Ascorbe Muruzabal, Joaquín ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (Elsevier, 2018)
Artículo / Artikulua
This work describes the process of nanofabrication of phase-shifted Bragg gratings on the end facet of a multimode optical fiber with a pulsed DC sputtering system based on a single target. Several structures have been ... -
Nanofilms on a hollow core fiber
Matías Maestro, Ignacio ; Bravo Larrea, Javier ; Arregui San Martín, Francisco Javier ; Corres Sanz, Jesús María (SPIE, 2006)
Artículo / Artikulua
We experimentally study the behavior of one multimode fiber–hollow core fiber–multimode fiber structure when nanofilms are deposited on it with the aim of developing practical evanescent field-based devices, such as sensors, ... -
Nanomaterials for functional textiles and fibers
Rivero Fuente, Pedro J. ; Urrutia Azcona, Aitor ; Goicoechea Fernández, Javier ; Arregui San Martín, Francisco Javier (Springer US, 2015)
Artículo / Artikulua
Nanoparticles are very interesting because of their surface properties, different from bulk materials. Such properties make possible to endow ordinary products with new functionalities. Their relatively low cost with ... -
Narrow-linewidth multi-wavelength random distributed feedback laser
Leandro González, Daniel ; Rota Rodrigo, Sergio ; Ardanaz, Diego; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
In this work, narrow-band emission lines are generated by means of two random distributed feedback fiber laser schemes. Spectral line-widths as narrow as 3.2 pm have been measured, which significantly improves previous ... -
Near-field electromagnetic trapping through curl-spin forces
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Ziolkowski, Richard W. (American Physical Society, 2013)
Artículo / Artikulua
Near-field electromagnetic trapping of particles is generally obtained bymeans of gradient forces. In this paper, we discuss the attractive behavior of curl-spin forces, as well as their potential for near-field ... -
Negative refraction in a prism made of stacked subwavelength hole arrays
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2008)
Artículo / Artikulua
Metamaterial structures are artificial materials that show unconventional electromagnetic properties such as negative refraction index, perfect lenses, and invisibility. However, losses are one of the big challenges to be ... -
Negative refraction through an extraordinary transmission left-handed metamaterial slab
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (American Physical Society, 2009)
Artículo / Artikulua
In this work we present numerical and experimental results of negative refraction through a negative index metamaterial based on miniaturized extraordinary transmission stacked subwavelength hole arrays, also known as ... -
A new muscle architecture model with non-uniform distribution of muscle fiber types
Navallas Irujo, Javier ; Malanda Trigueros, Armando ; Gila Useros, Luis; Rodríguez Falces, Javier ; Rodríguez Carreño, Ignacio (World Academy of Science, Engineering and Technology, 2007)
Artículo / Artikulua
According to previous studies, some muscles present a non-homogeneous spatial distribution of its muscle fiber types and motor unit types. However, available muscle models only deal with muscles with homogeneous ... -
Nonbianisotropic complementary split ring resonators as angular selective metasurfaces
Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel (Optical Society of America, 2017)
Artículo / Artikulua
In this work, a metasurface with unconventional angular performance and composed by a nonbianisotropic complementary split ring resonator (NB-CSRR) is analyzed numerically and experimentally. A numerical study comparing ... -
Nonlinear dynamics of vertical-cavity surface-emitting lasers
Panajotov, Krassimir; Sciamanna, Marc; Gatare, Ignace; Arizaleta Arteaga, Mikel ; Thienpont, Hugo (Hindawi / Wiley, 2011)
Artículo / Artikulua
Nonlinear dynamics of Vertical-Cavity Surface-Emitting Lasers (VCSELs) induced by optical injection, optical feedback, current modulation and mutual coupling is reviewed. Due to the surface emission and cylindrical symmetry ... -
Novel highly sensitive protein sensors based on tapered optical fibres modified with Au-based nanocoatings
Urrutia Azcona, Aitor ; Bojan, Kartheka; Marques, Leonel; Mullaney, Kevin; Goicoechea Fernández, Javier ; James, Stephen; Clark, Matt; Tatam, Ralph; Korposh, Sergiy (Hindawi Publishing Corporation, 2016)
Artículo / Artikulua
Novel protein sensors based on tapered optical fibres modified with Au coatings deposited using two different procedures are proposed. Au-based coatings are deposited onto a nonadiabatic tapered optical fibre using (i) a ... -
Novel sensor design using photonic crystal fibres for monitoring the onset of corrosion in reinforced concrete structures
McCague, Colum; Fabian, Matthias; Karimi, Mohammad; Bravo Acha, Mikel ; Jaroszewicz, Leszek R. (IEEE, 2014)
Artículo / Artikulua
In this paper, a novel sensing technique has been designed and investigated for the direct, in situ detection of steel corrosion distributed in reinforced concrete structures. At present, structural health monitoring in ... -
On the performance of the zoned fishnet metamaterial lens with positive and negative reference phase
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (IEEE, 2016)
Artículo / Artikulua
In this letter, several converging fishnet metalenses are designed using both the zoning and reference phase techniques. They are engineered with a focal length of 1.5λ0 at the design frequency of 55 GHz (λ0 = 5.45 mm) at ... -
On the testing, characterization, and evaluation of PV inverters and dynamic MPPT performance under real varying operating conditions
Sanchis Gúrpide, Pablo ; López Taberna, Jesús ; Ursúa Rubio, Alfredo ; Gubía Villabona, Eugenio ; Marroyo Palomo, Luis (Wiley, 2007)
Artículo / Artikulua
The increasing number of photovoltaic inverters that are coming on to the PV marketstresses the need to carry out a dynamic characterization of these elements and theirmaximum power point tracking (MPPT) algorithms under ...
