Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por autor UPNA "López-Amo Sáinz, Manuel"
Mostrando ítems 21-40 de 80
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Fiber optic sensor networks
Pérez Herrera, Rosa Ana
; López-Amo Sáinz, Manuel (Elsevier, 2013)
Artículo / Artikulua 
One of the main goals in fiber optic sensor technology is to multiplex together a high number of sensorsin the same network in order to share expensive terminal equipment and develop a system including multiple measuring ... -
Frequency modulated continuous wave system for optical fiber intensity sensors with optical amplification
Pérez Herrera, Rosa Ana ; Frazão, Orlando; Santos, José Luís; Araújo, Francisco Moita; Ferreira, Luis Alberto; Baptista, José Manuel; López-Amo Sáinz, Manuel (IEEE, 2009)
Artículo / Artikulua
We report on the use of erbium doped fiber (EDF) amplification to enhance a frequency modulated continuous wave (FMCW) technique for referencing optical intensity sensors located between two Bragg grating structures. The ... -
Fully switchable multi-wavelength fiber lasers based on random distributed feedback for sensors interrogation
Bravo Acha, Mikel ; Miguel Soto, Verónica de ; Ortigosa Cayetano, Amaia; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
In this paper, the experimental study and characterization of a novel real-time switchable multi-wavelength fiber laser has been carried out. Two different gain materials, such as a 50 km SMF and a 2.5 km DCF fibers were ... -
High resolution polarization-independent highbirefringence fiber loop mirror sensor
Leandro González, Daniel ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel (Optical Society of America, 2015)
Artículo / Artikulua
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-resolution transversal load sensor using a random distributed feedback fiber laser
Miguel Soto, Verónica de ; Leandro González, Daniel ; López-Amo Sáinz, Manuel (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
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 ... -
Highly-efficient fully resonant vertical couplers for InP active-passive monolithic integration using vertically phase matched waveguides
García López, Óscar; Lasaosa Medarde, Daniel; López-Amo Sáinz, Manuel ; Galarza Galarza, Marko (Optical Society of America, 2013)
Artículo / Artikulua
A new active-passive monolithic integration approach for photonic components based on vertical evanescent coupling is presented. Two vertically stacked waveguides are used in order to provide full resonant power transfer ... -
An in-reflection strain sensing head based on a Hi-Bi photonic crystal fiber
Rota Rodrigo, Sergio; Rodrigues Pinto, Ana Margarida ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel (MDPI, 2013)
Artículo / Artikulua
A photonic crystal fiber-based sensing head is proposed for strain measurements. The sensor comprises a Hi-Bi PCF sensing head to measure interferometric signals in-reflection. An experimental background study of the sensing ... -
Influence of saturable absorbers on fiber ring laser sensors
Rodríguez Cobo, Luis; Quintela, M. A.; Ruiz Lombera, Rubén; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a fiber ring laser sensor has been employed to analyze the influence of passive Er-doped fiber acting as saturable absorber. Lasing modes of fiber ring lasers can be reduced by properly locating a saturable ... -
Interferometric vs wavelength selective optical fiber sensors for cryogenic temperature measurements
Miguel Soto, Verónica de ; Leandro González, Daniel ; López Aldaba, Aitor ; Beato López, Juan Jesús ; Pérez de Landazábal Berganzo, José Ignacio ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
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, ... -
Internal modulation of a Random fiber laser
Bravo Acha, Mikel ; Fernández Vallejo, Montserrat ; López-Amo Sáinz, Manuel (Optical Society of America, 2013)
Artículo / Artikulua
A characterization of a modulated random mirror laser has been experimentally carried out. Unlike conventional internally modulated fiber lasers, no distortion of the modulating frequency or self-mode-locking effects were ... -
L-band multiwavelength single-longitudinal mode fiber laser for sensing applications
Pérez Herrera, Rosa Ana ; Ullán Nieto, Ángel; Leandro González, Daniel ; Fernández Vallejo, Montserrat ; Quintela, M. A.; Loayssa Lara, Alayn ; López Higuera, José Miguel; López-Amo Sáinz, Manuel (IEEE / OSA, 2012)
Artículo / Artikulua
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 ... -
Láseres de fibra óptica
Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (Versys, 2011)
Artículo / Artikulua
Desde su desarrollo en los años 60 hasta nuestros días, los láseres de fibra óptica han ido incrementando su importancia en diversos ámbitos de nuestra vida. Ya sea en la medicina, la electrónica de consumo o la industria, ... -
Long-range hybrid network with point and distributed Brillouin sensors using Raman amplification
Zornoza Indart, Ander; Pérez Herrera, Rosa Ana ; Elosúa Aguado, César ; Díaz Lucas, Silvia ; Bariáin Aisa, Cándido ; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel (Optical Society of America, 2010)
Artículo / Artikulua
We propose a novel concept for hybrid networks that combine point and distributed Brillouin sensors in a cost-effective architecture that also deploys remote distributed Raman amplification to extend the sensing range. A ... -
Low noise dual-wavelength erbium fiber laser in single-longitudinal-mode operation
Rota Rodrigo, Sergio; Pérez Herrera, Rosa Ana ; Fernández Vallejo, Montserrat ; López-Amo Sáinz, Manuel (Springer, 2012)
Artículo / Artikulua
A new stable dual-wavelength fiber-ring laser based on erbium-doped fiber amplification is reported. The laser is based on ring resonators and employs fiber Bragg gratings to select the operation wavelengths. The ... -
Micro-displacement sensor based on a hollow-core photonic crystal fiber
Rodrigues Pinto, Ana Margarida; López-Amo Sáinz, Manuel ; Baptista, José Manuel; Santos, José Luís; Frazão, Orlando (MDPI, 2012)
Artículo / Artikulua
A sensing head based on a hollow-core photonic crystal fiber for in-reflection measurement of micro-displacements is presented. The sensing structure takes advantage of the multimodal behavior of a short segment of hollow-core ... -
Micro-displacement sensor combined with a fiber ring interrogated by an optical time-domain reflectometer
Bravo Acha, Mikel ; Baptista, José Manuel; Santos, José Luís; López-Amo Sáinz, Manuel ; Frazão, Orlando (IEEE, 2014)
Artículo / Artikulua
A micro-displacement sensing head based on two aligned cleaved fibers inserted into an optical fiber ring and interrogated by an OTDR is presented. The sensor configuration is characterized for measuring both longitudinal ... -
Modulated fiber ring laser and its application in high-sensitivity temperature sensors
Pérez Herrera, Rosa Ana ; Tainta Ausejo, Santiago ; Erro Betrán, María José ; López-Amo Sáinz, Manuel (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
This work presents an experimental demonstration of a scheme based on an internally modulated fiber ring laser for high-sensitivity temperature sensing. The attained temperature resolution has been as low as ± 2pm even ... -
Multiplexing of six micro-displacement suspended-core Sagnac interferometer sensors with a Raman-Erbium fiber laser
Bravo Acha, Mikel ; Fernández Vallejo, Montserrat ; Echapare Zabaleta, Mikel; López-Amo Sáinz, Manuel ; Kobelke, J.; Schuster, K. (Optical Society of America, 2013)
Artículo / Artikulua
This work experimentally demonstrates a long-range optical fiber sensing network for the multiplexing of fiber sensors based on photonic crystal fibers. Specifically, six photonic crystal fiber sensors which are based ... -
Multiwavelength Raman fiber lasers using Hi-Bi photonic crystal fiber loop mirrors combined with random cavities
Rodrigues Pinto, Ana Margarida; Frazão, Orlando; Santos, José Luís; López-Amo Sáinz, Manuel (IEEE / OSA, 2011)
Artículo / Artikulua
Different multiwavelength Raman fiber lasers based on a hybrid cavity set-up are proposed. The lasing schemes are based in highly birefringent photonic crystal fiber loop mirrors combined with random cavities. The Hi-Bi ... -
Narrow-linewidth multi-wavelength random distributed feedback laser
Leandro González, Daniel ; Rota Rodrigo, Sergio ; Ardanaz, Diego; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
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 ...
