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Autor Navarrete Fernández, María Cruz |
Documentos disponibles escritos por este autor (41)
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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[...]![]()
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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 [...]![]()
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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 [...]![]()
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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[...]![]()
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Rodriguez Schwendtner, Eva María ; Álvarez Herrero, Alberto ; Mariscal Jiménez, Antonio ; Serna Galán, Rosalía ; González Cano, Agustín ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia | AVS Science and Technology Society; American Vacuum Society | 2019-11-01The authors present the results of the ellipsometric characterization of thin layers of bismuth and aluminum oxide deposited over the waist of a tapered optical fiber by pulsed laser deposition. The characteristics of the deposits are studied by[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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Navarrete Fernández, María Cruz ; Bernabeu Martínez, Eusebio | Wissenschaftliche Verlag GMBH | 1995-09Two fiber-optic gyro configuration (interferometric and resonator fiber-optic gyro) are considered and their, response functions are derived by means of graph theory. These response functions are compared with previous results.![]()
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Díaz Herrera, Natalia ; Viegas, Diana Catarino das Neves ; Jorge, Pedro A. S. ; Araújo, Francisco Manuel Moita ; Santos, Jose Luis ; Navarrete Fernández, María Cruz ; González Cano, Agustín | Elsevier Science S A | 2010-01-29In this work a new configuration of a refractometric sensor for aqueous solutions based on the combination of surface plasmon resonance (SPR) with fibre Bragg gratings (FBG) is presented. Two FBGs are selected having reflection maxima in each si[...]![]()
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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[...]![]()
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This paper presents a fibre-optic sensor to measure weight in motion based on a multiple fibre-optic interferometer. The differential phase between the arms of the interferometer produced by the pressure is compensated by a feedback system, thus[...]![]()
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Rodriguez Schwendtner, E. ; Navarrete Fernández, María Cruz ; Esteban, Óscar ; Díaz Herrera, Natalia ; González Cano, Agustín | SPIE | 2015In this work, we show the feasibility of using the evanescent field of a microfiber to excite the fluorescence of a fluorophore deposited on the surface of a polymer optical fiber. The fluorescence intensity gathered by the polymer optical fiber[...]![]()
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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[...]![]()
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Bernabeu Martínez, Eusebio ; Navarrete Fernández, María Cruz | Wissenschaftliche Verlag GMBH | 1994-09The study of an optical network can be simplified with the help of signal flow graph theory. In this work a brief overview of this theory, and its application to some simple optical networks is given. The graph theory is particularly useful in t[...]![]()
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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[...]![]()
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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[...]![]()
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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 [...]![]()
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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[...]![]()
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Navarrete Fernández, María Cruz | Universidad Complutense de Madrid, Servicio de Publicaciones | 1994-03-21En este trabajo hemos estudiado los dispositivos interferométricos en fibra óptica y en concreto un interferómetro de tres brazos. Hemos desarrollado este dispositivo y estudiado su aplicación como sensor de dos magnitudes externas que actúan si[...]![]()
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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 [...]![]()
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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[...]![]()
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Viegas, Diana Catarino das Neves ; Navarrete Fernández, María Cruz ; Díaz Herrera, Natalia ; González Cano, Agustín ; Santos , Jose Luis ; Araújo, Fernanda Mendes | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2011A miniature fiber Bragg grating strain rosette is presented. The proposed design is made possible through the development of low curvature radius lossless tapers, thus offering advantages in miniaturization of the rosette configuration. We repor[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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 [...]![]()
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González Cano, Agustín ; Navarrete Fernández, María Cruz ; Esteban, Óscar ; Díaz Herrera, Natalia | MDPI | 2014A review of the surface plasmon resonance (SPR) transducers based on tapered fibers that have been developed in the last years is presented. The devices have proved their good performance (specifically, in terms of sensitivity) and their versati[...]![]()
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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 [...]![]()
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Díaz Herrera, Natalia ; González Cano, Agustín ; Viegas, Diana Catarino das Neves ; Santos, Jose Luis ; Navarrete Fernández, María Cruz | Elsevier Sci. Ltd. | 2010-04-08Experimental results are shown demonstrating that multiple surface plasma waves can be excited in optical fibres at the 1.5 ?m optical communications region for the range of refractive indices of aqueous media using doubly deposited tapered fibr[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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A three-branch all-fibre optic interferometer (3B-FOI) based on a Mach-Zehnder configuration is proposed. We have studied the feasibility of using it to measure two phase perturbations. Results are presented which show the linearity of the detec[...]![]()
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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[...]