Listar por autor UPNA "López Aldaba, Aitor"

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 between different structures of suspended-core microstructured optical fibers for volatiles sensing

López Torres, Diego

; López Aldaba, Aitor

; Elosúa Aguado, César

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel

; Arregui San Martín, Francisco Javier

(MDPI, 2018) Artículo / Artikulua

In this paper, different core structures of microstructured optical fibers (MOFs) for low-finesse Fabry-Perot (FP) sensors are experimentally compared to get the highest sensitivity. These devices are designed for volatile ...

Development of new punctual optical fiber transducer for sensing

López Aldaba, Aitor

(2018) Tesis doctoral / Doktoretza tesia

The international research community has been nurturing photonic technologies over the years, aiming to develop cost effective solutions for a number of applications. Optical fibers offer an efficient solution for sensing ...

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 ...

Enhancement of the sensitivity of a volatile organic compounds MOF sensor by means of its structure

López Torres, Diego

; López Aldaba, Aitor

; Elosúa Aguado, César

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel

; Arregui San Martín, Francisco Javier

(MDPI, 2019) Contribución a congreso / Biltzarrerako ekarpena

In this paper, we experimentally compare several core structures of Microstructured Optical Fibers (MOFs) for low-finesse Fabry-Pérot (FP) sensors. These sensors are designed for Volatile Organic Compounds (VOCs) measurements. ...

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. ...

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, ...

Microstructured optical fiber sensor for soil moisture measurements

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

(Optical Society of America, 2018) Contribución a congreso / Biltzarrerako ekarpena

A discrete sensor based on a Sn0₂-FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. Results are compared, for the first time to our knowledge, with a commercial capacitive sensor and gravimetric ...

Optical power-based interrogation of plasmonic tilted fiber Bragg grating biosensors

González Vila, Á.; López Aldaba, Aitor

; Kinet, D.; Mégret, P.; López-Amo Sáinz, Manuel

; Caucheteur, C. (SPIE, 2017) Contribución a congreso / Biltzarrerako ekarpena

Two interrogation techniques for plasmonic tilted fiber Bragg grating sensors are reported and experimentally tested. Typical interrogation methods are usually based on tracking the wavelength shift of the most sensitive ...

Polyaniline deposition on tilted fiber Bragg grating for pH sensing

López Aldaba, Aitor

; González Vila, Á.; Debliquy, M.; López-Amo Sáinz, Manuel

; Caucheteur, C.; Lahem, D. (SPIE, 2017) Contribución a congreso / Biltzarrerako ekarpena

In this paper, we present the results of a new pH sensor based on a polyaniline (PAni) coating on the surface of a tilted fiber Bragg grating. The pH-sensitive PAni was deposited by in situ chemical oxidative polymerization. ...

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 ...

Relative humidity multi-point optical sensors system based on Fast Fourier multiplexing technique

López Aldaba, Aitor

; López Torres, Diego

; Elosúa Aguado, César

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier

; López-Amo Sáinz, Manuel

(SPIE, 2017) Contribución a congreso / Biltzarrerako ekarpena

In this paper, a new multipoint optical fiber system for relative humidity measurements based on Sn02-FP (Fabry-Pérot) sensing heads and an optical interrogator as single active device is presented and characterized. The ...

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 ...

Simultaneous and quasi-independent strain and temperature sensor based on microstructured optical fiber

López Aldaba, Aitor

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel

(SPIE, 2017) Contribución a congreso / Biltzarrerako ekarpena

In this paper, a new sensor system for simultaneous and quasi-independent strain and temperature measurements is presented. The interrogation of the sensing head has been carried out by monitoring the FFT phase variations ...

Simultaneous measurement of humidity and vibration based on a microwire sensor system using Fast Fourier Transform technique

Rota Rodrigo, Sergio

; López Aldaba, Aitor

; Pérez Herrera, Rosa Ana

; López Bautista, María del Carmen; López-Amo Sáinz, Manuel

(IEEE, 2016) Artículo / Artikulua

This paper presents a new sensor system for vibration and relative humidity measurements based on its interaction with the evanescent field of a microwire. The interrogation of the sensing head is carried out by monitoring ...

Simultaneous measurement of humidity and vibration based on a nanowire sensor system using Fast Fourier Transform technique

Rota Rodrigo, Sergio

; López Aldaba, Aitor

; Pérez Herrera, Rosa Ana

; López Bautista, María del Carmen; Esteban, Óscar; López-Amo Sáinz, Manuel

(IEEEOptical Society of America, 2016) Artículo / Artikulua

This paper presents a new sensor system for vibration and relative humidity measurements based on its interaction with the evanescent field of a microwire. The interrogation of the sensing head is carried out by monitoring ...

Simultaneous strain and temperature multipoint sensor based on microstructured optical fiber

López Aldaba, Aitor

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel

(IEEE, 2018) Artículo / Artikulua

In this paper, a new sensor system for simultaneous and independent multipoint strain and temperature measurements is presented. The interrogation of the sensing heads has been carried out by monitoring their FFT phase ...

SnO2-MOF-Fabry-Pérot humidity optical sensor system based on Fast Fourier transform technique

López Aldaba, Aitor

; López Torres, Diego

; Ascorbe Muruzabal, Joaquín

; Rota Rodrigo, Sergio

; Elosúa Aguado, César

; López-Amo Sáinz, Manuel

; Arregui San Martín, Francisco Javier

; Corres Sanz, Jesús María

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe (SPIE, 2016) Contribución a congreso / Biltzarrerako ekarpena

In this paper, a new sensor system for relative humidity measurements based on a SnO2 sputtering deposition on a microstructured optical fiber (MOF) low-finesse Fabry-Pérot (FP) sensing head is presented and characterized. ...

SnO2-MOF-Fabry-Perot optical sensor for relative humidity measurements

López Aldaba, Aitor

; López Torres, Diego

; Elosúa Aguado, César

; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier

; López-Amo Sáinz, Manuel

(Elsevier, 2018) Artículo / Artikulua

In this paper, a new optical fiber sensor for relative humidity measurements is presented and characterized. The sensor is based on a SnO2 sputtering deposition on a microstructured optical fiber (MOF) low-finesse Fabry-Pérot ...

Study of 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

(MDPI, 2017) Artículo / Artikulua

In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg ...