Browsing Artículos de revista DIEE - IEES Aldizkari artikuluak by Author "6918"
Now showing items 21-40 of 45
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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 ... -
Influence in cladding mode distribution of overlay deposition on long-period fiber gratings
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Optical Society of America, 2006)
Artículo / Artikulua
A thin overlay of higher refractive index than that of the cladding of a long-period fiber grating induces in cladding modes strong variations in effective index, mode profile, cross-coupling coefficient with the core ... -
Label-free wavelength and phase detection based SMS fiber immunosensors optimized with cladding etching
Cardona-Maya, Yamile; Socorro Leránoz, Abián Bentor; Del Villar, Ignacio ; Cruz, José Luis; Corres Sanz, Jesús María ; Botero-Cadavid, Juan F. (Elsevier, 2018)
Artículo / Artikulua
The performance of E-SMS (Etched Singlemode-Multimode-Singlemode) optical fiber structures as immunosensors has been assessed by the implementation of antibody/antigen immunoassays. Through this procedure it has been ... -
Long period fiber grating for biosensing: an improved design methodology to enhance add-layer sensitivity
Bandyopadhyay, Sankhyabrata; Del Villar, Ignacio; Basumallick, Nandini; Biswas, Palas; Dey, Tanoy Kumar; Bandyopadhyay, Somnath (IEEE, 2018)
Artículo / Artikulua
We present our theoretical study on the design of LPFG sensor where its add-layer sensitivity is enhanced. addlayer sensitivity quantifies the sensitivity of the sensor to the changes taking place within few tens of ... -
Long period fiber gratings with overlay of variable refractive index
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (IEEE, 2005)
Artículo / Artikulua
A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the ... -
Lossy mode resonance generation with indium tin oxide coated optical fibers for sensing applications
Del Villar, Ignacio; Ruiz Zamarreño, Carlos ; Hernáez Sáenz de Zaitigui, Miguel ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2010)
Artículo / Artikulua
Surface plasmon resonances and lossy mode resonances can be generated with Indium Tin Oxide (ITO) coated optical fibers. Both phenomena are analyzed and compared. Lossy mode resonances present important advantages: ... -
Micro and nanostructured materials for the development of optical fibre sensors
Elosúa Aguado, César; Arregui San Martín, Francisco Javier ; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Corres Sanz, Jesús María ; Bariáin Aisa, Cándido ; Goicoechea Fernández, Javier ; Hernáez Sáenz de Zaitigui, Miguel ; Rivero Fuente, Pedro J. ; Socorro Leránoz, Abián Bentor ; Urrutia Azcona, Aitor ; Sánchez Zábal, Pedro ; Zubiate Orzanco, Pablo ; López Torres, Diego ; Acha Morrás, Nerea de ; Ascorbe Muruzabal, Joaquín ; Ozcariz Celaya, Aritz ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
The measurement of chemical and biomedical parameters can take advantage of the features exclusively offered by optical fibre: passive nature, electromagnetic immunity and chemical stability are some of the most relevant ... -
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 ... -
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, E.E.; 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 ... -
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 ... -
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 ... -
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)
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, W.E.; Del Villar, Ignacio; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Rodríguez Rodríguez, Adolfo Josué; Domínguez-Cruz, R.F. (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 enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction
Del Villar, Ignacio; Partridge, Matthew; Rodríguez, Wenceslao; Fuentes Lorenzo, Omar ; Socorro Leránoz, Abián Bentor ; Díaz Lucas, Silvia ; Corres Sanz, Jesús María ; James, Stephen; Tatam, Ralph (MDPI, 2017)
Artículo / Artikulua
The diameter of long-period fiber gratings (LPFGs) fabricated in optical fibers with a low cutoff wavelength was be reduced by hydrofluoric acid etching, enhancing the sensitivity to refractive index by more than a factor ... -
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 ... -
Sensors based on thin-film coated cladding removed multimode optical fiber and single-mode multimode single-mode fiber: a comparative study
Del Villar, Ignacio; Socorro Leránoz, Abián Bentor ; Hernáez Sáenz de Zaitigui, Miguel ; Corres Sanz, Jesús María ; Ruiz Zamarreño, Carlos ; Sánchez Zábal, Pedro ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Hindawi Publishing Corporation, 2015)
Artículo / Artikulua
Two simple optical fibre structures that do not require the inscription of a grating, a cladding removed multimode optical fibre (CRMOF) and a single-mode multimode single-mode structure (SMS), are compared in terms of ...
