Listar por autor UPNA "Leandro González, Daniel"
Mostrando ítems 1-20 de 40
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All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
In this work, a new all-polarization maintaining (PM) fiber loop mirror interferometer is proposed and validated as temperature and mechanical vibration sensor. The scheme employs the arms of a PM coupler as communication ... -
Anomalous relative intensity noise transfer in ultralong random fiber lasers
We present, for the first time, an experimental demonstration of RIN noise transfer dampening at low frequencies in random distributed feedback ultralong Raman fibre lasers based on conventional telecommunication fibres. ... -
Distributed humidity sensor for moisture-front monitoring in soils
In this contribution, high spatial resolution distributed humidity sensing was demonstrated for moisture-front monitoring in soils by using polyimide coated optical fiber. -
Effect of linewidth on the relative intensity noise in random distributed feedback raman fiber lasers
We experimentally explore the relation between spectral linewidth and RIN transfer in half-open cavity random distributed feedback Raman lasers, demonstrating for the first time the possibility of adjusting the pump-to-signal ... -
Enhanced optical fiber lasers and optical fiber sensors assisted by micro-drilled optical fibers
Enhanced OFS assisted by micro-drilled optical fibers acting as mirrors are demonstrated. Strain sensitivity improved more than one order of magnitude in comparison with FBG sensors using a 50 μm-waist micro-drilled taper ... -
Fiber optic mirror fabrication using general-purpose metallic pigments
In this work, the potential of using general-purpose paints to fabricate highly reflective, low-cost optical mirrors is evaluated. The study shows that high-reflectivity mirrors can be created in standard single-mode fiber ... -
High resolution polarization-independent highbirefringence fiber loop mirror sensor
In this work, two all polarization-maintaining (PM) highbirefringence (Hi-Bi) fiber loop mirrors (FLM) which are immune to external polarization perturbations are validated both theoretically and experimentally. Simplified ... -
High sensitivity fiber-optic liquid level sensor using biconical tapered fibers
A liquid level sensor is presented using a biconical tapered standard single-mode fiber, being its main characteristic an outstanding sensitivity for a low cost transducer. Temperature compensation is enabled with the same ... -
High-resolution transversal load sensor using a random distributed feedback fiber laser
In this work, a new application of random distributed feedback lasers to fiber optic sensing has been presented. The particular properties of these lasers, such as the lack of longitudinal modes and high stability, have ... -
In-field torsion measurements on solar trackers using fiber optic sensors
In-field torsion measurements on solar trackers using fiber Bragg gratings are presented. 45 FBG sensors have been deployed in an operational solar energy plant to study the mechanical response of the structure to wind. -
Interferometric vs wavelength selective optical fiber sensors for cryogenic temperature measurements
In this work, a preliminary study of the behavior of two different interferometric fiber optic sensors and two different wavelength selective fiber optic sensors is performed. A photonic cristal fiber Fabry-Pérot interferometer, ... -
L-band multiwavelength single-longitudinal mode fiber laser for sensing applications
In this work, a novel single-longitudinal-mode (SLM) four-wavelength laser configuration for sensing applications in the L-band is proposed and experimentally demonstrated. The sensor system presented here is based on ring ... -
Medida de torsión en seguidores solares con sensores de fibra óptica
En este trabajo se ha monitorizado la torsión sufrida por una estructura de seguidores solares empleando sensores de fibra óptica. Estas medidas de campo se han obtenido con una red de sensores formada por 45 redes de ... -
Micro-drilled optical fiber for enhanced laser strain sensors
In this work, we present an experimental measurement of temperature and strain sensitivities of a micro-drilled optical fiber (MDOF). The MDOF consisted of a quasi-randomly distributed reflector along a single mode fiber ... -
Microdrilled tapers to enhance optical fiber lasers for sensing
In this work, an experimental analysis of the performance of different types of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror is presented. These artificially-controlled ... -
Multicore fiber sensors for strain measurement towards traffic monitoring
In this work, two new interferometric sensors based on multicore optical fibers for the measurement of strain with the ultimate goal of traffic monitoring are presented. The operating principle of each sensor relied on ... -
Multiparameter sensor based on a multiinterferometric serial configuration for temperature and strain measurements
In this work, a multi-parameter point sensor based on the combination of Fabry-Perot (FP) and the anti-resonant (AR) reflecting guidance in cascade configuration is proposed and experimentally demonstrated. This structure, ... -
Multiplexing optical fiber Fabry-Perot interferometers based on air-microcavities
In this work we demonstrate the multiplexing capability of new optical fiber Fabry-Perot interferometers based on airmicrocavities using a commercial FBG interrogator. Three optimized air-microcavity interferometer sensors ... -
Narrow-linewidth multi-wavelength random distributed feedback laser
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 ... -
New multiplexing structures for fiber optic sensors
El campo de la fibra óptica ha sufrido una rápida evolución durante las últimas décadas debido a sus buenas prestaciones en aplicaciones de telecomunicaciones. Aprovechando este avance científico y técnico en componentes ...