Listar Artículos de revista DIEC - IEKS Aldizkari artikuluak por autor UPNA "López-Amo Sáinz, Manuel"
Mostrando ítems 1-20 de 23
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C and L band fiber lasers enhanced by ultrafast laser inscribed artificial backscatter reflectors
Pérez Herrera, Rosa Ana
; Roldán Varona, Pablo; Sánchez-González, Arturo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (Optica, 2022)
Artículo / Artikulua 
This letter presents an experimental comparison between two linear-cavity erbiumdoped fiber lasers (EDFL) assisted by two different artificial backscatter fiber-based reflectors. Both reflectors were inscribed by femtosecond ... -
Design of optical fiber Bragg grating-based sensors for flow measurement in pipes
Diéguez Elizondo, Pedro ; Rodríguez Rodríguez, Armando; Urroz Unzueta, José Carlos ; López Rodríguez, José Javier ; López-Amo Sáinz, Manuel (Taylor & Francis, 2023)
Artículo / Artikulua
In this work, optical Fiber Bragg grating (FBG) sensors were used to measure water flow in pipes. Several types of coatings were incorporated into the design of the sensors to examine their effects on the elastic strain ... -
A dual-wavelength fiber laser sensor with temperature and strain discrimination
Sánchez-González, Arturo; Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Durán Escudero, Miguel; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (MDPI, 2022)
Artículo / Artikulua
This work presents a dual-wavelength C-band erbium-doped fiber laser assisted by an artificial backscatter reflector. This fiber-based reflector, inscribed by femtosecond laser direct writing, was fabricated into a single ... -
Effect of linewidth on the relative intensity noise in random distributed feedback raman fiber lasers
Rota Rodrigo, Sergio; Leandro González, Daniel ; Santarelli, Giorgio; López-Amo Sáinz, Manuel ; Ania-Castañón, Juan Diego (MDPI, 2022)
Artículo / Artikulua
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 ... -
Gamma radiation-induced effects over an optical fiber laser: towards new sensing applications
Pérez Herrera, Rosa Ana ; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; López-Amo Sáinz, Manuel (MDPI, 2020)
Artículo / Artikulua
In the present work, the effect of gamma radiation on the performance of different types of erbium-doped fibers (EDFs) when they are used in a fiber ring cavity (FRC) configuration is studied. Several pieces of commercial ... -
High performance fiber laser resonator for dual band (C and L) sensing
Sánchez-González, Arturo; Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (IEEE, 2022)
Artículo / Artikulua
This work presents an experimental analysis and comparison of the performance of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror both in C- and L-band. Single-wavelength emission ... -
Hybrid Raman‑erbium random fiber laser with a half open cavity assisted by artificially controlled backscattering fiber refectors
Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Sañudo-Lasagabaster Ibáñez, Silvia; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (Springer Nature, 2021)
Artículo / Artikulua
A hybrid Raman-erbium random fber laser with a half-open cavity assisted by chirped artifcially controlled backscattering fber refectors is presented. A combination of a 2.4 km-long dispersion compensating fber with two ... -
Liquid level sensor based on dynamic Fabry–Perot interferometers in processed capillary fiber
Roldán Varona, Pablo; Pérez Herrera, Rosa Ana ; Rodríguez Cobo, Luis; Reyes González, Luis; López-Amo Sáinz, Manuel (Springer Nature, 2021)
Artículo / Artikulua
In this work, a novel optical fiber sensor capable of measuring both the liquid level and its refractive index is designed, manufactured and demonstrated through simulations and experimentally. For this, a silica capillary ... -
Microdrilled tapers to enhance optical fiber lasers for sensing
Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (Nature Research, 2021)
Artículo / Artikulua
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 ... -
Multiparameter sensor based on a multiinterferometric serial configuration for temperature and strain measurements
Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; Leandro González, Daniel ; Novais, Susana; Pradas Martínez, Javier ; López-Amo Sáinz, Manuel (IEEE, 2021)
Artículo / Artikulua
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, ... -
Optical fiber lasers assisted by microdrilled optical fiber tapers
Pérez Herrera, Rosa Ana ; Pallarés Aldeiturriaga, D.; Júdez Colorado, Aitor ; Rodríguez Cobo, Luis; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (Optical Society of America, 2019)
Artículo / Artikulua
In this Letter, we present an analysis of the backscattering generated in a microdrilled tapered fiber within a short-linear-cavity fiber laser. We propose and experimentally demonstrate a fiber cavity laser based on a ... -
Quasi-distributed vibration sensing based on weak reflectors and STFT demodulation
Leandro González, Daniel ; Zhu, Mengshi; López-Amo Sáinz, Manuel ; Murayama, Hideaki (IEEE, 2020)
Artículo / Artikulua
In this work, a new system is proposed for quasi-distributed vibration sensing based on the Doppler effect. The setup employs an optical frequency domain reflectometer (OFDR) and an array of weak reflectors. The short-time ... -
Quasi-distributed vibration sensing using OFDR and weak reflectors
Zhu, Mengshi; Leandro González, Daniel ; López-Amo Sáinz, Manuel ; Murayama, Hideaki (Optical Society of America, 2019)
Artículo / Artikulua
The authors proposed a quasi-distributed vibration sensing technique using in-line weak reflectors and optical frequency domain reflectometry (OFDR). As a result, they achieved an 8 kHz measurable vibration frequency with ... -
Real time measuring system of multiple chemical parameters using microstructured optical fibers based sensors
López Aldaba, Aitor; López Torres, Diego ; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
In this paper, a multiplexing system for simultaneous interrogation of optical fiber sensors which measure different parameters is presented and validated. The whole system has been tested with 6 different sensing heads ... -
Sensitivity optimization of a microstructured optical fiber ammonia gas sensor by means of tuning the thickness of a metal oxide nano-coating
López Torres, Diego ; López Aldaba, Aitor ; Elosúa Aguado, César ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (IEEE, 2019)
Artículo / Artikulua
In this paper, the influence of the thickness of metallic-oxide coatings, ITO, and SnO2 on the sensitivity of a microstructured optical fiber Fabry–Pérot (FP) has been studied with the aim of developing ammonia gas fiber ... -
Single longitudinal mode lasers by using artificially controlled backscattering erbium doped fibers
Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (IEEE, 2021)
Artículo / Artikulua
In this work, we propose and experimentally demonstrate a new distributed short linear cavity fiber laser. At one of the cavity ends, fabricated by a commercial femtosecond fiber laser chirped pulse amplfier, an artificially ... -
Spatial-frequency multiplexing of high-sensitivity liquid level sensors based on multimode interference micro-fibers
Galarza Galarza, Marko ; Pérez Herrera, Rosa Ana ; Leandro González, Daniel ; Júdez Colorado, Aitor ; López-Amo Sáinz, Manuel (Elsevier, 2020)
Artículo / Artikulua
This paper shows a new fiber optic sensor multiplexed system for liquid level sensing. Biconical fibertapers converging at a 40 mm-long micro-fiber are used as transducers. The tapers are designed to providethe propagation ... -
Spectral shadowing suppression technique in phase-OTDR sensing based on weak fiber Bragg grating array
Miguel Soto, Verónica de ; Jason, Johan; Kurtoglu, Deniz; López-Amo Sáinz, Manuel ; Wuilpart, Marc (Optical Society of America, 2019)
Artículo / Artikulua
A postprocessing procedure is presented to suppress spectral shadowing in phase-OTDR sensing systems based on a weak fiber Bragg grating array. A complete theoretical analysis of the interfering signals has been carried ... -
Vertically coupled InP/InGaAsP microring lasers using a single epitaxial growth and singleside lithography
García López, Óscar; Thourhout, Dries Van; Verstuyft, Steven; López-Amo Sáinz, Manuel ; Baets, Roel; Galarza Galarza, Marko (IEEE, 2020)
Artículo / Artikulua
The experimental demonstration of vertical microring lasers requiring only one single epitaxial growth and two single-side lithographic steps is presented, in what is the simplest fabrication scheme for such devices published ... -
Virtual FBGs using saturable absorbers for sensing with fiber lasers
Rodríguez Cobo, Luis; Pérez Herrera, Rosa Ana ; Quintela, M. A.; Ruiz Lombera, Rubén; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (MDPI, 2018)
Artículo / Artikulua
The spectral narrowing of Fiber Bragg Gratings (FBGs) introduced by unpumped Er-doped fiber (EDF) was analyzed for fiber lasers (FL). Owing to spatial hole burning (SHB), the spectral response of a virtual FBG can be ...
