Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por autor UPNA "López-Amo Sáinz, Manuel"
Mostrando ítems 1-20 de 80
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250 km ultra long remote sensor system based on a fiber loop mirror interrogated by an OTDR
Bravo Acha, Mikel
; Baptista, José Manuel; Santos, José Luís; López-Amo Sáinz, Manuel ; Frazão, Orlando (Optical Society of America, 2011)
Artículo / Artikulua 
A 253 km ultra long remote displacement sensor system based on a fiber loop mirror interrogated by a commercial OTDR is proposed and experimentally demonstrated. The use of a fiber loop mirror increases the signal to noise ... -
46-km-long Raman amplified hybrid double-bus network with point and distributed Brillouin sensors
Fernández Vallejo, Montserrat; Olier Aguado, David; Zornoza Indart, Ander; Pérez Herrera, Rosa Ana ; Díaz Lucas, Silvia ; Elosúa Aguado, César ; Bariáin Aisa, Cándido ; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel (IEEE, 2012)
Artículo / Artikulua
We experimentally demonstrate a 46-km hybrid network that combine point and distributed Brillouin sensors. The proposed sensor network multiplexes low-cost intensity point sensors based on fiber-optic tapers, which are ... -
All-fiber lasers through photonic crystal fibers
Rodrigues Pinto, Ana Margarida; López-Amo Sáinz, Manuel (Science Wise Publishing & De Gruyter, 2013)
Artículo / Artikulua
A review on all-fiber lasers based on photonic crystal fibers is presented. Photonic crystal fibers present improved features beyond what conventional optical fibers can offer. Due to their geometric versatility, photonic ... -
All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
Leandro González, Daniel ; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
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 ... -
Application of remote power-by-light switching in a simplified BOTDA sensor network
Bravo Acha, Mikel ; Zornoza Indart, Ander; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel ; López Higuera, José Miguel; Ullán Nieto, Ángel (MDPI, 2013)
Artículo / Artikulua
We propose and demonstrate the use of spatial multiplexing as a means to reduce the costs of distributed sensing networks. We propose a new scheme in which remote power-by-light switching is deployed to scan multiple ... -
Compact and highly-efficient polarization independent vertical resonant couplers for active-passive monolithic integration
Galarza Galarza, Marko ; Thourhout, Dries Van; Baets, Roel; López-Amo Sáinz, Manuel (Optical Society of America, 2008)
Artículo / Artikulua
Compact low-loss polarization independent vertical coupling between a 1.55 μm InGaAsP bulk active waveguide and a passive waveguide based on bimodal interference is presented. Simulation results show low coupling loss (<0.1 ... -
Comparative study of ring and random cavities for fiber lasers
Fernández Vallejo, Montserrat; Rota Rodrigo, Sergio ; López-Amo Sáinz, Manuel (Optical Society of America, 2014)
Artículo / Artikulua
An experimental comparison of three fiber laser structures with the same Raman gain medium is presented in order to establish the main pros and cons of each basic scheme. The first fiber laser is based on a hybrid ring–random ... -
Comparison between capacitive and microstructured optical fiber soil moisture sensors
López Aldaba, Aitor; López Torres, Diego ; Campo-Bescós, Miguel ; López Rodríguez, José Javier ; Yerro Lizarazu, David; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (MDPI, 2018)
Artículo / Artikulua
Soil moisture content has always been an important parameter to control because it is a deterministic factor for site-specific irrigation, seeding, transplanting, and compaction detection. In this work, a discrete sensor ... -
Comparison of wavelength-division-multiplexed distributed fiber Raman amplifier networks for sensors
Díaz Lucas, Silvia ; López-Amo Sáinz, Manuel (Optical Society of America, 2006)
Artículo / Artikulua
A novel distributed fiber Raman amplified star topology used for optical sensor wavelength-division multiplexing is proposed. The performance of this star configuration is compared to an optically amplified bus topology. ... -
Compound lasing fiber optic ring resonators for sensor sensitivity enhancement
Rota Rodrigo, Sergio; González Herráez, Miguel; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
In this work, a new method for increasing simultaneously the sensitivity and interrogation stability of fiberoptic intensity sensors is presented. The configuration is based on a double-coupler ring resonator. On one side, ... -
Concrete beam bending test monitorization using a high strain fiber optic sensor
Bravo Acha, Mikel ; Sáenz, J.; Bravo Navas, M.; López-Amo Sáinz, Manuel (IEEE / OSA, 2012)
Artículo / Artikulua
In this work the development of an 'eight-shape' fiber optic sensor for high strain measurement is experimentally demonstrated. This strain sensor is interrogated using a commercial optical time domain reflectometer through ... -
Contribution to the development of new photonic systems for fiber optic sensing applications
Bravo Acha, Mikel (2015)
Tesis doctoral / Doktoretza tesia
En este trabajo de doctorado se presentan nuevos sistemas y subsistemas de sensores de fibra óptica. Así, se proponen y desarrollan nuevas técnicas, componentes y tecnologías basadas en láseres de fibra con espejos ... -
Development of advanced structures for optical fiber lasers and sensors
Rota Rodrigo, Sergio (2015)
Tesis doctoral / Doktoretza tesia
Desde la irrupción de la fibra óptica en las telecomunicaciones, han surgido multitud de desarrollos basados en sus propiedades. Así, en las últimas décadas, la rápida evolución de los sistemas basados en fibra óptica, así ... -
Dual stage ytterbium doped fiber laser in MOPA configuration
Fernández Vallejo, Montserrat; Monelli, D.; Passaro, D.; Cucinotta, A.; Selleri, S.; López-Amo Sáinz, Manuel (Bentham Open, 2012)
Artículo / Artikulua
We report the experimental demonstration of an Ytterbium doped fiber laser (YDFL) composed by two stages in cascade. Two sorts of Ytterbium doped fiber (YDF) with different concentration have been used. A proper characterization ... -
Dual-wavelength single-longitudinal-mode erbium fiber laser for temperature measurements
Díaz Lucas, Silvia ; López-Amo Sáinz, Manuel (SPIE, 2014)
Artículo / Artikulua
A dual-wavelength erbium fiber laser with single-longitudinal-mode characteristic is proposed and demonstrated. The system uses a 7-m-long highly doped erbium-doped fiber as the primary gain medium while two fiber Bragg ... -
ECOAL project: delivering solutions for integrated monitoring of coal-related fires supported on optical fiber sensing technology
Ribeiro, Joana; Viveiros, Duarte; Ferreira, João; López Gil, Alexia; Domínguez López, Alejandro; Martins, Hugo F.; Pérez Herrera, Rosa Ana ; López Aldaba, Aitor ; Duarte, Lia; Rodrigues Pinto, Ana Margarida ; Martín López, Sonia; Baierl, Hardy; Jamier, Raphael; Rougier, Sébastien; Auguste, Jean-Louis; Teodoro, Ana Cláudia; Gonçalves, José Alberto; Esteban, Óscar; Santos, José Luís; Roy, Philippe; López-Amo Sáinz, Manuel ; González Herráez, Miguel; Baptista, José Manuel; Flores, Deolinda (MDPI, 2017)
Artículo / Artikulua
The combustion of coal wastes resulting from mining is of particular environmental concern, and the importance of proper management involving real-time assessment of their status and identification of probable evolution ... -
Experimental and numerical characterization of a hybrid Fabry-Perot cavity for temperature sensing
López Aldaba, Aitor; Rodrigues Pinto, Ana Margarida ; López-Amo Sáinz, Manuel ; Frazão, Orlando; Santos, José Luís; Baptista, José Manuel; Baierl, Hardy; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe (MDPI, 2015)
Artículo / Artikulua
A hybrid Fabry-Pérot cavity sensing head based on a four-bridge microstructured fiber is characterized for temperature sensing. The characterization of this cavity is performed numerically and experimentally in the L-band. ... -
Experimental evidence of coherence resonance in a time-delayed bistable system
Arizaleta Arteaga, Mikel ; Valencia, Miguel; Sciamanna, Marc; Thienpont, Hugo; López-Amo Sáinz, Manuel ; Panajotov, Krassimir (APS Physics, 2007)
Artículo / Artikulua
We report on the experimental observation of coherence resonance in a bistable system with delay. Our system consists of a vertical-cavity surface-emitting laser subject to time-delayed optical feedback simultaneously from ... -
Experimental optimization in terms of power stability and output power of highly Er-doped fiber lasers with single and hybrid cavities
Pérez Herrera, Rosa Ana ; Chen, Shuying; Zhao, Weizhong; Sun, Tong; López-Amo Sáinz, Manuel (Taylor & Francis, 2010)
Artículo / Artikulua
In this article, the output power stability of several different highly erbiumdoped fiber ring lasers, as a function of the laser parameters, is experimentally investigated. The study is focused on the optimization of ... -
Fiber cavity ring down and gain amplification effect
Silva, Susana; Magalhães, Regina; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel ; Marques, M. B.; Frazão, Orlando (Springer Nature, 2016)
Artículo / Artikulua
The effect of an erbium-doped fiber amplifier (EDFA) placed inside the fiber ring of a cavity ring down (CRD) configuration is studied. The limitations and advantages of this configuration are discussed, and the study of ...
