Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por autor UPNA "Matías Maestro, Ignacio"
Mostrando ítems 41-60 de 72
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Mode transition in complex refractive index coated single-mode–multimode–single-mode structure
Socorro Leránoz, Abián Bentor
; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2013)
Artículo / Artikulua 
By coating a single-mode–multimode–single-mode (SMS) structure with a high refractive index thin-film it is possible to obtain a transition of modes for specific combinations of thin-film thickness, thinfilm refractive ... -
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 ... -
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, ... -
Optical fiber resonance-based pH sensors using gold nanoparticles into polymeric layer-by-layer coatings
Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio ; Socorro Leránoz, Abián Bentor ; Hernáez Sáenz de Zaitigui, Miguel ; Goicoechea Fernández, Javier ; Rivero Fuente, Pedro J. (Springer-Verlag, 2016)
Artículo / Artikulua
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Optical sensors based on lossy-mode resonances
Matías Maestro, Ignacio ; Ascorbe Muruzabal, Joaquín ; Acha Morrás, Nerea de ; López Torres, Diego ; Zubiate Orzanco, Pablo ; Sánchez Zábal, Pedro ; Urrutia Azcona, Aitor ; Socorro Leránoz, Abián Bentor ; Rivero Fuente, Pedro J. ; Hernáez Sáenz de Zaitigui, Miguel ; Elosúa Aguado, César ; Goicoechea Fernández, Javier ; Bariáin Aisa, Cándido ; Corres Sanz, Jesús María ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Del Villar, Ignacio (Elsevier Science, 2017)
Artículo / Artikulua
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Optimization in nanocoated D-shaped optical fiber sensors
Del Villar, Ignacio ; Zubiate Orzanco, Pablo ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2017)
Artículo / Artikulua
Nanocoated D-shaped optical fibers have been proven as effective sensors. Here, we show that the full width at half minimum (FWHM) of lossy mode resonance can be reduced by optimizing the nanocoating width, thickness and ... -
Optimization of sensitivity in long period fiber gratings with overlay deposition
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Lalanne, Philippe (Optical Society of America, 2005)
Artículo / Artikulua
The deposition of an overlay of higher refractive index than the cladding in a Long Period Fiber Grating (LPFG) permits to improve the sensitivity to ambient refractive index changes in a great manner. When the overlay is ... -
Optimization of sensors based on multimode interference in single-mode–multimode– single-mode structure
Del Villar, Ignacio ; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2013)
Artículo / Artikulua
By coating a single-mode–multimode–single-mode (SMS) structure with a complex refractive index thin-film the central wavelength of the transmission and attenuation bands of the optical spectrum can be shifted. By adequate ... -
An optimized method based on digitalized Lissajous curve to determine lifetime of luminescent materials on optical fiber sensors
Ridruejo Muro, Adrián; Acha Morrás, Nerea de ; Elosúa Aguado, César ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Hindawi, 2016)
Artículo / Artikulua
A method is proposed to determine lifetime of luminescent emissions based on the phase shift measurement employing the digitalized Lissajous representation: this diagram has been typically used with analogical algorithms, ... -
Optimized strain long-period fiber grating (LPFG) sensors operating at the dispersion turning point
Del Villar, Ignacio ; Fuentes Lorenzo, Omar ; Chiavaioli, Francesco; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (IEEE, 2018)
Artículo / Artikulua
Two phenomena for enhancing the sensitivity of longperiod fiber gratings are combined toward an increase of the sensitivity to strain of this type of devices: the dispersion turning point (DTP) and the cladding diameter ... -
Photonic crystal fiber temperature sensor based on quantum dot nanocoatings
Larrión Zabaleta, Beatriz; Hernáez Sáenz de Zaitigui, Miguel ; Arregui San Martín, Francisco Javier ; Goicoechea Fernández, Javier ; Bravo Larrea, Javier ; Matías Maestro, Ignacio (Hindawi / Wiley, 2009)
Artículo / Artikulua
Quantum dot nanocoatings have been deposited by means of the Layer-by-Layer technique on the inner holes of Photonic Crystal Fibers (PCFs) for the fabrication of temperature sensors. The optical properties of these sensors ... -
Pyridine vapors detection by an optical fibre sensor
Elosúa Aguado, César ; Bariáin Aisa, Cándido ; Matías Maestro, Ignacio ; Rodríguez, Antonio; Colacio, Enrique; Salinas Castillo, Alfonso; Segura Carretero, Antonio; Fernández Gutiérrez, Alberto (MDPI, 2008)
Artículo / Artikulua
An optical fibre sensor has been implemented towards pyridine vapors detection; to achieve this, a novel vapochromic material has been used, which, in solid state, suffers a change in colour from blue to pink-white in ... -
Recent developments in fiber optics humidity sensors
Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
A wide range of applications such as health, human comfort, agriculture, food processing and storage, and electronic manufacturing, among others, require fast and accurate measurement of humidity. Sensors based on optical ... -
Refractometric sensors based on multimode interference in a thin-film coated singlemode– multimode–single-mode structure with reflection configuration
Del Villar, Ignacio ; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2014)
Artículo / Artikulua
Thin-film coated single-mode–multimode–single-mode (SMS) structures have been analyzed both theoretically and experimentally with the aim of detecting different refractive indices. By adequate selection of the thickness ... -
Resonances in coated long period fiber gratings and cladding removed multimode optical fibers: a comparative study
Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Hernáez Sáenz de Zaitigui, Miguel ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2010)
Artículo / Artikulua
Two optical fiber devices have been coated in parallel: a long period fiber grating (LPFG) and a cladding-removed multimode optical fiber (CRMOF). The progressive coating of the LPFG by means of the layer-by-layer ... -
Sensitivity enhancement experimental demonstration using a low cutoff wavelength SMS modified structure coated with a pH sensitive film
Rodríguez Rodríguez, Wenceslao Eduardo; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Rodríguez Rodríguez, Adolfo Josué; Domínguez Cruz, René (Elsevier, 2018)
Artículo / Artikulua
The multimode interference (MMI) effect in a single mode-multimode-single mode (SMS) can be used fordevelopment of wavelength shift detection based sensors. In this work, the focus is centered on obtainingwavelength shifts ... -
Sensitivity improvement of a humidity sensor based on silica nanospheres on a long-period fiber grating
Viegas, Diana; Goicoechea Fernández, Javier ; Santos, José Luís; Araújo, Francisco Moita; Ferreira, Luis Alberto; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (MDPI, 2009)
Artículo / Artikulua
This work addresses a new configuration that improves the sensitivity of a humidity sensor based on a long-period fiber grating coated with a SiO(2)-nanospheres film. An intermediate higher refractive index overlay, ... -
Sensitivity optimization with cladding-etched long period fiber gratings at the dispersion turning point
Del Villar, Ignacio ; Cruz, José Luis; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (Optical Society of America, 2016)
Artículo / Artikulua
This work presents a refractive index sensor based on a long period fiber grating (LPFG) made in a reduced cladding fiber whose low order cladding modes have the turning point at large wavelengths. The combination of ...
