Información del autor
Autor Esteban Martínez, Óscar |
Documentos disponibles escritos por este autor (30)
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Esteban Martínez, Óscar ; González Cano, Agustín ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz | Optical Society of America | 2006-11-01A new concept of surface plasmon resonance fiber optic sensor is presented. By tuning the plasmon resonance to a wavelength for which the outer medium is absorptive, a significant variation of the spectral transmittance of the device is produced[...]texto impreso
Rodriguez Schwendtner, Eva María ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar | IEEE | 2019-05-10An advanced plasmonic sensor for high sensitivity measurement of magnetic field is presented. It is based on the combination of a SPR refractometer (doubly-deposited tapered optical fiber) with magnetic fluids used as transducers. The device is [...]texto impreso
Leite, I. ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2011In this work we present experimental results that confirm the influence of an absorptive surrounding medium in the behavior of conventional SPR fiber sensors. It can be observed that when a plasmon resonance coincides with a wavelength absorbed [...]texto impreso
En la memoria presentada, se aborda el problema de las estructuras híbridas formadas por una fibra óptica de sección cilíndrica a la que se elimina parcialmente el revestimiento mediante un pulido lateral de la misma, junto con una estructura de[...]texto impreso
González Cano, Agustín ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; Esteban Martínez, Óscar | SPIE--The International Society for Optical Engineering | 2007Although many optical fiber sensors have been proposed for chemical, environmental or biological measurements, it seems that the potential of this kind of devices has not been fully exploited. In this paper we discuss the possibilities of doubly[...]texto impreso
Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2013In this work we experimentally show how the technology of surface plasmon resonance (SPR) in doubly deposited uniform-waist tapered optical fiber sensors (DLUWTs) can be extended into the visible region (around 520 nm) by changing the thicknesse[...]texto impreso
Díaz Herrera, Natalia ; Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; González Cano, Agustín | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2004An optical-fiber salinometer has been evaluated during a two-week measurement campaign in the Baltic Sea. The obtained results in three different tests are presented in comparison with those obtained with a standard electric CTD sonde commercial[...]texto impreso
Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; González Cano, Agustín ; Bernabeu Martínez, Eusebio | SPIE--The International Society for Optical Engineering | 2000The degree of salinity of water is measured by determining its refractive index with a fiber-optics sensor. The physical principle of the device is the attenuation of the optical power guided by the fibre by the resonant coupling with surface pl[...]texto impreso
Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; Esteban Martínez, Óscar ; González Cano, Agustín | IOP Publishing Ltd. | 2004-02A fibre-optic sensor has been developed for the measurement of temperature, especially of liquids. The device is conceived as part of an all-optical CTD probe for the control of the physical parameters of a marine medium. The dependence on tempe[...]texto impreso
Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; Mizaikoff, Boris | Springer Science+Business Media | 2012-12A technique is proposed to extend the application of surface-plasmon-based spectroscopy into the mid-infrared spectral regime, which is of substantial interest in the field of chemical analysis and biosensing. Surface plasmons can be excited for[...]texto impreso
Esteban Martínez, Óscar ; Díaz Herrera, Natalia ; Naranjo Vega, Fernando Bernabé ; Valdueza Felip, Sirona ; Navarrete Fernández, María Cruz ; González Cano, Agustín | Elsevier Science S A | 2011-11-15In this work, an Indium Nitride (InN) dielectric overlay has been used to develop a surface plasmon resonance optical fiber sensor. Although InN is a very promising material in electronics industry, this is the first time that this kind of mater[...]texto impreso
Esteban Martínez, Óscar ; Naranjo Vega, Fernando Bernabé ; Díaz Herrera, Natalia ; Valdueza Felip, Sirona ; Navarrete Fernández, María Cruz ; González Cano, Agustín | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2011In this work, the performance of uniform-waist tapered optical fiber sensors based on SPR with Indium Nitride (InN) as dielectric layer has been experimentally studied. The obtained results show that the overall performance in terms of reliabili[...]texto impreso
Díaz Herrera, Natalia ; Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; González Cano, Agustín ; Benito Peña, María Elena ; Orellana Moraleda, Guillermo | Elsevier Sci. Ltd. | 2011-08We present the results of a chemical attack on the optical fiber surface previous to the deposition of the double layer (metal plus dielectric) in Double-layer uniform-waist tapered fibers (DLUWTs) used for the development of SPR sensors. It is [...]texto impreso
Díaz Herrera, Natalia ; Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; Le Haitre, Michel ; González Cano, Agustín | IOP Publishing Ltd. | 2006-08We have successfully proved the feasibility of an optical salinity meter for marine applications in a two-week measurement campaign, carried out for the realization of in situ salinity measurements in seawater. An optical instrument (optode), in[...]texto impreso
Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; González Cano, Agustín ; Bernabeu Martínez, Eusebio | The Optical Society Of America | 1999-09-01A fiber-optic sensor based on surface-plasmon resonance for the determination of the refractive index is used for measuring the degree of salinity of water. The transducing element consists of a multilayer structure deposited on a side-polished [...]texto impreso
Rodriguez Schwendtner, E. ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; Esteban Martínez, Óscar ; González Cano, Agustín | Elsevier Science S A | 2016-02We present a new technique for exciting and collecting fluorescence with all-fiber devices, consisting of two different tapered fibers, a microfiber used as illuminating source and a polymer optical fiber where a fluorophore has been deposited a[...]texto impreso
Díaz Herrera, Natalia ; González Cano, Agustín ; Viegas, Diana Catarino das Neves ; Santos, Jose Luis ; Navarrete Fernández, María Cruz ; Esteban Martínez, Óscar | SPIE--The International Society for Optical Engineering | 2010It is shown how the design possibilities offered by double-layer uniform-waist tapered optical fibers (DLUWTs) permit to move the wavelength detection range to adapt the response of the sensors to varied conditions. In particular, we have obtain[...]texto impreso
Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Bernabeu Martínez, Eusebio | International Society Offshore & Polar Engineers | 2004A new type of multiparametric optical sensor system for in-situ measurements in seawater was tested under real conditions. Central to the system is an underwater core instrument (CI) which contains light sources and a multichannel spectrometer w[...]texto impreso
González Cano, Agustín ; Bueno Guillén, Francisco Javier ; Esteban Martínez, Óscar ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz | The Optical Society Of America | 2005-02-01Novel devices consisting of uniform-waist tapered optical fibers with asymmetric double-layer (metal plus dielectric) depositions have been recently proposed as refractive-index sensors. We study the properties of light transmission by use of th[...]texto impreso
Rodriguez Schwendtner, E. ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; González Cano, Agustín ; Esteban Martínez, Óscar | Elsevier | 2017-09-01We present a new sensor based on the combination of Surface Plasmon Resonance (SPR) with magneto-refractive materials. We use doubly-deposited uniform-waist tapered optical fibers (DLUWTs), that have shown their good performance and versatility [...]texto impreso
Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar | Springer Science+Business Media | 2010-03The resonance of surface plasma waves in metallic layers is a strongly polarization-dependent phenomenon by the very nature of the physical effect responsible of that resonance. This implies the necessity of polarization-controlling elements to [...]texto impreso
Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar ; Leite, Ivo | Elsevier Science S A | 2011-12-15Conventional surface plasmon resonance (SPR) fiber sensors show selective behavior when resonance wavelengths are tuned to absorption peaks of the surrounding medium, as it is experimentally shown and evaluated in this paper by using a doubly-de[...]texto impreso
Bueno Guillén, Francisco Javier ; Esteban Martínez, Óscar ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; González Cano, Agustín | The Optical Society Of America | 2004-03-10A novel, to our knowledge, device based on a tapered optical fiber with a double-layer deposition including a metallic media is presented, and its properties are studied. The main novelty of the device consists of the introduction of a dielectri[...]texto impreso
Rodriguez Schwendtner, Eva María ; González Cano, Agustín ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; Esteban Martínez, Óscar | Elsevier | 2018-09-01The importance of Surface Plasmon Resonance (SPR)-based devices in the field of chemical and biological sensing and the expectations created in terms of sensitivity and resolution impose the necessity of developing an adequate methodology for th[...]texto impreso
Esteban Martínez, Óscar ; Navarrete Fernández, María Cruz ; González Cano, Agustín ; Bernabeu Martínez, Eusebio | Elsevier Sci. Ltd. | 2000-03In this work we present an application of a simple quasi-geometrical model to analyze the behavior of compound waveguide structures used as fiber-optic sensors. This theoretical model is based on the adjustment of the parameters of the structure[...]texto impreso
Esteban Martínez, Óscar ; Alonso Esteban, Rafael ; Navarrete Fernández, María Cruz ; González Cano, Agustín | IEEE - Inst. Electrical Electronics Engineers Inc. | 2002-03A theoretical method for the study of surface plasmon excitation in metallic layers, as used in fiber-optics sensors, is presented. It is based in the calculation of the propagated fields in the waveguide structure and allows us to compute the l[...]texto impreso
Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Esteban Martínez, Óscar | Elsevier Science S A | 2014-01Doubly deposited uniform-waist tapered optical fibers (DLUWTs) have shown their versatility and good performance as basis for surface plasmon resonance (SPR) sensors for a variety of wavelength ranges. In this work we experimentally show how the[...]texto impreso
Esteban Martínez, Óscar ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; González Cano, Agustín | The Optical Society Of America | 2006-10-01We present a configuration for surface plasmon resonance sensors based on uniform-waist tapered optical fibers and reflective elements. Once the fiber is tapered fulfilling the adiabatic criterion, a multilayer including a metallic medium is asy[...]texto impreso
Theoretical method for the study of plasmon generation in hybrid multilayer-optical fiber structures
A theoretical method is presented for the determination of the behavior of devices based on the deposition of multilayer structures on polished optical fibers. Plasmon generation in metallic layers is modeled. The method is based on the Rayleigh[...]texto impreso
González Cano, Agustín ; Díaz Herrera, Natalia ; Navarrete Fernández, María Cruz ; Esteban Martínez, Óscar ; Bueno Guillén, Francisco Javier | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2004Novel devices consisting of uniform-waist tapered optical fibers with a double layer (metal plus dielectric) deposition are presented and their properties in terms of optical transmission are studied. Excitation of surface plasmons in the metall[...]