Listar por autor UPNA "Pérez Herrera, Rosa Ana"
Mostrando ítems 21-40 de 64
-
High sensitivity fiber-optic liquid level sensor using biconical tapered fibers
Júdez Colorado, Aitor
; Leandro González, Daniel 
; Pérez Herrera, Rosa Ana ; Galarza Galarza, Marko ; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena 
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 ... -
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 ... -
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 ... -
Innovative approaches for organizing an inclusive optics and photonics conference in virtual format
Heras, Alba de las; Gómez-Varela, Ana Isabel; Tomás, María-Baralida; Pérez Herrera, Rosa Ana ; Sánchez, Luis Alberto; Gallazzi, Francesca; Santamaría, Beatriz; García Lechuga, Mario; Vinas María; Delgado Pinar, Martina; González Fernández, Verónica (MDPI, 2023)
Artículo / Artikulua
The COVID pandemic is forcing the renewal of scientific conferences, offering opportunities to introduce technological and inclusive developments. Our analysis focuses on the implementation of inclusive practices for female ... -
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 ... -
Labescape and breakout: gamification for photonics students
Pérez Herrera, Rosa Ana ; Tainta Ausejo, Santiago ; Elosúa Aguado, César (IATED, 2021)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays, the idea of using game mechanisms in non-gaming environments has become of great interest in different fields such as education or training. Not only for primary school but also in higher formal education, ... -
Láser random de fibra óptica asistido por reflectores de fibra con retrodispersión controlada artificialmente
Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Galarza Galarza, Marko ; Sañudo-Lasagabaster Ibáñez, Silvia; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SEDOPTICA, 2021)
Contribución a congreso / Biltzarrerako ekarpena
Este trabajo presenta un láser de fibra tipo random (LFR) en cavidad semi-abierta, mediante amplificación híbrida Raman-Erbio y asistida por reflectores de fibra con retrodispersión controlada artificialmente (RFRCA). ... -
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, ... -
Láseres de fibra óptica basados en reflectores clásicos, estrechados y microperforados
Sánchez-González, Arturo; Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SEDOPTICA, 2021)
Contribución a congreso / Biltzarrerako ekarpena
En este trabajo se presenta un estudio comparativo entre distintos láseres de fibra óptica altamente dopada con erbio, con cavidades lineales conformadas tanto por reflectores puntuales clásicos como reflectores distribuidos. ... -
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 ... -
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 ... -
Measurement of paracetamol concentration using a fiber laser system
Soares, Liliana; Pérez Herrera, Rosa Ana ; Novais, Susana; Ferreira, António; Frazão, Orlando; Silva, Susana (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
A linear fiber laser system for measurements of paracetamol concentration is experimentally demonstrated. The cavity is based on a fiber loop mirror and an FBG centered at 1567.8 nm. The sensing head corresponds to a ... -
Measurement of paracetamol concentration using an erbium-doped fiber ring cavity
Soares, Liliana; Pérez Herrera, Rosa Ana ; Novais, Susana; Ferreira, António; Silva, Susana; Frazão, Orlando (MDPI, 2023)
Artículo / Artikulua
Process Analytical Technology (PAT) has been increasingly used in the pharmaceutical industry to monitor essential parameters in real-time during pharmaceutical processes. The concentration of Active Pharmaceutical Ingredients ... -
Micro-displacement sensor based on hollow core fiber interferometers
Dauliat, R.; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel ; Pérez Herrera, Rosa Ana ; Rodríguez Rodríguez, Armando; Sánchez González, Arturo (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-displacement sensor based on hollow core fiber interferometers
Sánchez González, Arturo; Rodríguez Rodríguez, Armando; Dauliat, R.; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-drilled optical fiber for enhanced laser strain sensors
Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
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
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 ... -
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 ... -
Multicore fiber sensors for strain measurement towards traffic monitoring
Sánchez González, Arturo; Pradas Martínez, Javier; Corera Orzanco, Íñigo ; Bravo Acha, Mikel ; Leandro González, Daniel ; Dauliat, Romain; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (SPIE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
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 ...
