Dr. Julio E. Posada-Román Profile

Dr. Julio E. Posada-Román

at Arquimea Research Ctr

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Author

Publications (7)

Proceedings Article | 15 March 2023 Presentation + Paper

New dual-comb functional Near Infrared Spectroscopy (fNIRS) technique: study of optical properties and perturbation localization

Roberto Barreiro, Frank Sanabria, Pedro Martín-Mateos, J. González-Mora, J. Posada-Román, Cristina de Dios

Proceedings Volume 12365, 1236506 (2023) https://doi.org/10.1117/12.2647387

KEYWORDS: Frequency response, Optical properties, Tissue optics, Functional near infrared spectroscopy, Near infrared spectroscopy, Brain

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Proceedings Article | 23 April 2017 Paper

Interrogation system with auto-calibration for fiber Bragg grating sensors using VCSEL based optical frequency comb generators

D. Poiana, J. Garcia-Souto, J. Posada-Román, P. Acedo

Proceedings Volume 10323, 103231F (2017) https://doi.org/10.1117/12.2265849

KEYWORDS: Radio optics, Structural health monitoring, Teeth, Fiber Bragg gratings, Vertical cavity surface emitting lasers, Frequency combs, Sensors, Tunable lasers, Laser optics, Feedback loops, Temperature metrology, Ultrasonography, Optical testing

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Proceedings Article | 2 June 2014 Paper

Evaluation of a 1540nm VCSEL for fibre Bragg gratings interrogation in dynamic measurement applications

J. Garcia-Souto, P. Martin-Mateos, J. Posada, P. Acedo, D. Jackson

Proceedings Volume 9157, 91573A (2014) https://doi.org/10.1117/12.2059721

KEYWORDS: Fiber Bragg gratings, Vertical cavity surface emitting lasers, Signal detection, Sensors, Modulation, Tunable lasers, Mirrors, Actuators, Multiplexing, Semiconductors

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Proceedings Article | 2 June 2014 Paper

Optical fiber sensor of partial discharges in High Voltage DC experiments

I. Búa-Núñez, C. Azcárraga-Ramos, J. Posada-Román, J. Garcia-Souto

Proceedings Volume 9157, 91572G (2014) https://doi.org/10.1117/12.2059643

KEYWORDS: Sensors, Acoustics, Transformers, Signal detection, Fiber optics sensors, Minerals, Optical fibers, Signal attenuation, LabVIEW, Dielectrics

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Proceedings Article | 17 October 2012 Paper

Multichannel fiber optic heterodyne interferometer for the acoustic detection of partial discharges

Julio Posada, Jose Garcia-Souto, Jesus Rubio-Serrano

Proceedings Volume 8421, 84211O (2012) https://doi.org/10.1117/12.975654

KEYWORDS: Sensors, Interferometers, Heterodyning, Acoustics, Fiber optics sensors, Interferometry, Ultrasonography, Bragg cells, Signal to noise ratio, Signal detection

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Proceedings Article | 17 May 2011 Paper

All-fiber interferometric sensor of 150kHz acoustic emission for the detection of partial discharges within power transformers

Julio Posada, Jesus Rubio-Serrano, Jose Garcia-Souto

Proceedings Volume 7753, 77531S (2011) https://doi.org/10.1117/12.885511

KEYWORDS: Sensors, Transformers, Acoustics, Fiber optics sensors, Interferometry, Acoustic emission, Ferroelectric materials, Signal detection, Fiber optics, Ultrasonography

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Proceedings Article | 14 May 2010 Paper

All-fiber intrinsic sensor of partial discharge acoustic emission with electronic resonance at 150 kHz

Jose Garcia-Souto, Julio Posada, Jesus Rubio Serrano

Proceedings Volume 7726, 77261H (2010) https://doi.org/10.1117/12.853724

KEYWORDS: Sensors, Ferroelectric materials, Acoustic emission, Acoustics, Fiber optics sensors, Fiber optics, Transducers, Signal detection, Transformers, Interferometry

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Showing 5 of 7 publications

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