Dr. Paulo Antunes Profile

Dr. Paulo Antunes

Researcher at Instituto de Telecomunicacoes

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 23 May 2023 Paper

Concrete curing monitoring using polymer optical fibre Bragg grating sensors

A. Pospori, A. Ioannou, J. Melo, P. Antunes, H. Varum, C. A. Marques, K. Kalli

Proceedings Volume 12643, 126430H (2023) https://doi.org/10.1117/12.2678107

KEYWORDS: Civil engineering, Sensors, Optical fibers, Prototyping, Polymers, Polymeric sensors, Bragg gratings, Optical sensing, Moisture, Bragg wavelengths

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Proceedings Article | 17 May 2022 Presentation + Paper

Monitoring of the muscle effort in wheelchair users using FBG-based sensors

Matilde Rocha, Nélia Alberto, Cátia Tavares, Ana Catarina Nepomuceno, Paulo Antunes, M. Fátima Domingues

Proceedings Volume 12139, 1213912 (2022) https://doi.org/10.1117/12.2621254

KEYWORDS: Sensors, Fiber Bragg gratings, Sensing systems, Temperature metrology, Optical fibers, Sensor networks, Resistance, Strain analysis

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Proceedings Article | 17 May 2022 Poster + Paper

Non-invasive indoor activity monitoring using photonic based accelerometers

Catarina Nepomuceno, Nélia Alberto, Fátima Domingues, Paulo Antunes, Ayman Radwan, Paulo André

Proceedings Volume 12139, 121391C (2022) https://doi.org/10.1117/12.2621011

KEYWORDS: Sensors, Fiber Bragg gratings, Optical fibers, Wave propagation, Target detection, Calibration, Structured optical fibers, Signal attenuation, Satellite navigation systems, Optical sensing

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Proceedings Article | 1 April 2020 Presentation + Paper

Adhesive assisted fabrication of chirped POF Bragg grating

Luís Pereira, Tiago Paixão, Anselmo Frizera, Rui Min, Getinet Woyessa, Paulo André, Ole Bang, Paulo Antunes, Joao Pinto, Zhaohui Li, Beatriz Ortega, Carlos Marques

Proceedings Volume 11355, 1135510 (2020) https://doi.org/10.1117/12.2555432

KEYWORDS: Fiber Bragg gratings, Refractive index, Bragg gratings, Polymer optical fibers, Adhesives, Sensors, Ultraviolet radiation

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Proceedings Article | 28 August 2019 Paper

High-resolution strain and temperature Fabry-Pérot interferometer sensor based on Vernier effect and produced by a femtosecond laser

Tiago Paixão, Paulo Antunes, Francisco Araujo

Proceedings Volume 11199, 111992U (2019) https://doi.org/10.1117/12.2539964

KEYWORDS: Sensors, Interferometers, Femtosecond phenomena, Calibration, Optical fibers, Fiber optics sensors, Computer simulations

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Proceedings Article | 28 August 2019 Paper

Cost-effective high rate interrogation architecture for Fabry-Perot interferometric sensors

M. Fátima Domingues, Tiago Paixão, Nélia Alberto, Paulo André, Paulo Antunes

Proceedings Volume 11199, 1119938 (2019) https://doi.org/10.1117/12.2541192

KEYWORDS: Sensors, Optical fibers, Fabry–Perot interferometers, Laser sources, Photodetectors, Interferometry, Integrated optics, Laser optics, Light emitting diodes, Modulation

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Proceedings Article | 11 April 2019 Paper

Optical fibre fuse effect based sensor for magnetic field monitoring

Nélia Alberto, M. Fátima Domingues, João Belo, Carlos Marques, Paulo Antunes, Vitor Amaral, Paulo André

Proceedings Volume 11028, 110281S (2019) https://doi.org/10.1117/12.2520759

KEYWORDS: Magnetism, Magnetic sensors, Sensors, Optical fibers, Refractive index, Fabry–Perot interferometers, Microfluidics, Electromagnetism, Electromagnetic interference, Head

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Proceedings Article | 11 April 2019 Paper

Low-cost intrinsic optical fiber FPI sensor for knee kinematic gait analysis and e-Health architecture

M. Fátima Domingues, Ana Nepomuceno, Cátia Tavares, Nélia Alberto, Ayman Radwan, Paulo André, Paulo Antunes

Proceedings Volume 11028, 1102820 (2019) https://doi.org/10.1117/12.2520877

KEYWORDS: Sensors, Gait analysis, Optical fibers, Kinematics, Calibration, Data acquisition, Fiber optics sensors, Motion analysis

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Proceedings Article | 11 April 2019 Paper

Bioinspired optical fiber sensor for simultaneous shear and vertical forces monitoring

Nélia Alberto, Eduardo Rocon, Cátia Tavares, Hugo Silva, Paulo Antunes, M. Fátima Domingues, Paulo André, António Ramos

Proceedings Volume 11028, 110282M (2019) https://doi.org/10.1117/12.2522330

KEYWORDS: Sensors, Fiber Bragg gratings, Optical fibers, Fiber optics sensors, Optical sensors

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Proceedings Article | 27 February 2019 Paper

Temperature cross-sensitivity compensation in liquid level sensor using Mach-Zehnder interferometers

Paulo F. Antunes, Paulo S. André, Camilo A. Díaz, Arnaldo Leal, Moisés R. Ribeiro, Anselmo Frizera, Maria Pontes

Proceedings Volume 10914, 1091425 (2019) https://doi.org/10.1117/12.2507065

KEYWORDS: Liquids, Sensors, Optical fibers, Temperature metrology, Mach-Zehnder interferometers, Fiber optics sensors, Sensor performance, Single mode fibers, Interferometers

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Proceedings Article | 17 May 2018 Paper

Arterial pulses assessed with FBG based films: a smart skin approach

C. Leitão, M. Fátima Domingues, C. Tavares, J. Pinto, C. Marques, P. Antunes, S. Novais

Proceedings Volume 10685, 106852S (2018) https://doi.org/10.1117/12.2307458

KEYWORDS: Fiber Bragg gratings, Arteries, Optical fibers, Sensors

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Proceedings Article | 9 May 2018 Paper

Biaxial optical fiber sensor based in two multiplexed Bragg gratings for simultaneous shear stress and vertical pressure monitoring

C. Tavares, M. Domingues, A. Frizera-Neto, C. Leitão, N. Alberto, C. Marques, A. Radwan, E. Rocon, P. André, P. Antunes

Proceedings Volume 10680, 106802R (2018) https://doi.org/10.1117/12.2306889

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Optical fibers, Optical sensors, Multiplexing, Calibration, Bragg gratings, Data acquisition, Epoxies

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Proceedings Article | 22 February 2018 Paper

A cost-effective edge-filter-based FBG strain interrogator using catastrophic fuse effect microcavity interferometers

Paulo André, Carlos A. Marques, M. Fátima Domingues, Moisés R. Ribeiro, Anselmo Neto, Maria Pontes, Paulo F. Antunes, Camilo A. Díaz

Proceedings Volume 10528, 105281W (2018) https://doi.org/10.1117/12.2291042

KEYWORDS: Fiber Bragg gratings, Sensors, Interferometers, Optical microcavities, Optical fibers, Temperature metrology, Optical filters, Fiber optics sensors

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Proceedings Article | 16 May 2017 Paper

Acoustic waves in tilted fiber Bragg gratings for sensing applications

Carlos A. Marques, Paulo André, Paulo Antunes, Nélia Alberto, João Pinto, Cátia Leitão, Fátima Domingues

Proceedings Volume 10231, 1023116 (2017) https://doi.org/10.1117/12.2264230

KEYWORDS: Acoustics, Fiber Bragg gratings, Acousto-optics, Optical sensing, Optical sensors, Cladding, Fiber optics sensors, Sensor technology, Silica, Polymer optical fibers, Ferroelectric materials, Phase matching, Refractive index, Modulation

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Proceedings Article | 16 May 2017 Paper

Chirped polymer optical fiber Bragg grating sensors

J. Pinto, L. Pereira, Carlos Marques, P. Antunes, P. Mergo, D. Webb, P. André

Proceedings Volume 10232, 102320N (2017) https://doi.org/10.1117/12.2264902

KEYWORDS: Polymer optical fibers, Fiber Bragg gratings, Sensors, Phase only filters, Polymethylmethacrylate, Polymers, Optical fibers, Ultraviolet radiation, Excimer lasers, Silica, Structural health monitoring

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Proceedings Article | 23 April 2017 Paper

Resonant wavelength thermal stability of femtosecond FBGs

Tiago Paixão, Francisco Araújo, Luís Ferreira, Paulo Antunes

Proceedings Volume 10323, 103236L (2017) https://doi.org/10.1117/12.2263558

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Temperature sensors, Refractive index, Annealing, Reflectivity, Calibration, Temperature metrology, Thermal modeling, Manufacturing

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SPIE Journal Paper | 28 February 2017 Open Access

Insole optical fiber Bragg grating sensors network for dynamic vertical force monitoring

Maria Fátima Domingues, Cátia Tavares, Cátia Leitão, Anselmo Neto, Nélia Alberto, Carlos Marques, Ayman Radwan, Jonathan Rodriguez, Octavian Postolache, Eduardo Rocon, Paulo André, Paulo Antunes

JBO, Vol. 22, Issue 09, 091507, (February 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.9.091507

KEYWORDS: Fiber Bragg gratings, Gait analysis, Sensors, Optical fibers, Sensor networks, Calibration, Sensing systems, Chemical elements, Optical sensing, Pathology

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Proceedings Article | 29 April 2016 Paper

Recycling optical fibers for sensing

Paulo André, Paulo Antunes, Fátima Domingues, Nélia Alberto, Carlos Marques

Proceedings Volume 9899, 98991F (2016) https://doi.org/10.1117/12.2225245

KEYWORDS: Sensors, Optical fibers, Modulation, Refractive index, Humidity, Optical sensing, Fiber optics sensors, Head, Water, Environmental sensing

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Proceedings Article | 28 September 2015 Paper

Hydrostatic pressure sensor based on micro-cavities developed by the catastrophic fuse effect

E. Mesquita, M. Domingues, T. Paixão, N. Alberto, P. Antunes, H. Varum, P. André

Proceedings Volume 9634, 96345M (2015) https://doi.org/10.1117/12.2195066

KEYWORDS: Sensors, Optical fibers, Modulation, Water, Structured optical fibers, Optics manufacturing, Calibration, Civil engineering, Fabry–Perot interferometers, Refractive index

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Proceedings Article | 28 September 2015 Paper

Central arterial pressure assessment with intensity POF sensor

José Bastos, Cátia Leitão, Steve Gonçalves, Paulo Antunes, João Pinto, Paulo André

Proceedings Volume 9634, 963424 (2015) https://doi.org/10.1117/12.2195032

KEYWORDS: Sensors, Phase only filters, Surface plasmons, Calibration, Fiber optics sensors, Modulation, Blood pressure, Fiber optics, Sensor performance, Optical fibers

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Proceedings Article | 28 September 2015 Paper

Lithium batteries temperature and strain fiber monitoring

Nélia Alberto, Micael Nascimento, M. Fátima Domingues, Susana Novais, Cátia Leitão, Paulo Antunes, João Pinto

Proceedings Volume 9634, 96347V (2015) https://doi.org/10.1117/12.2195218

KEYWORDS: Lithium, Sensors, Fiber Bragg gratings, Temperature metrology, Safety, Data acquisition, Fiber optics sensors, Multiplexing, Ions, Calibration

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Proceedings Article | 22 August 2014 Paper

Plastic optical fibre sensor for Madeira wine monitoring

C. Novo, L. Bilro, N. Alberto, P. Antunes, R. Nogueira, J. Pinto

Proceedings Volume 9286, 92862Q (2014) https://doi.org/10.1117/12.2060322

KEYWORDS: Glucose, Sensors, Refractive index, Optical fibers, Infrared radiation, Phase only filters, Infrared sensors, Bioalcohols, Ions, Head

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Proceedings Article | 22 August 2014 Paper

Sensors based on recycled optical fibers destroyed by the catastrophic fuse effect

Paulo André, Paulo Antunes, M. Domingues, Nélia Alberto, Ana Rita Frias, R. A. Ferreira

Proceedings Volume 9286, 92862U (2014) https://doi.org/10.1117/12.2060191

KEYWORDS: Sensors, Optical fibers, Fiber Bragg gratings, Modulation, Manufacturing, Optical sensing, Refractive index, Fiber optics sensors, Fabry–Perot interferometry, Protactinium

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Proceedings Article | 22 August 2014 Paper

Optical fiber sensors in arterial pulse waveform acquisition

Cátia Leitão, Paulo Antunes, José Bastos, João Pinto, Paulo André

Proceedings Volume 9286, 92864O (2014) https://doi.org/10.1117/12.2063375

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Arteries, Phase only filters, Optical fibers, Polymer optical fibers, Neodymium, Fiber optics, Signal detection

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Proceedings Article | 2 June 2014 Paper

Optical strain sensor based on FPI micro-cavities produced by the fiber fuse effect

M. Fátima Domingues, Paulo Antunes, Nélia Alberto, Rita Frias, Paulo André, Rute A. Ferreira

Proceedings Volume 9157, 91571Q (2014) https://doi.org/10.1117/12.2059645

KEYWORDS: Sensors, Optical fibers, Optics manufacturing, Optical alignment, Temperature metrology, Manufacturing, Fabry–Perot interferometry, Electromagnetic interference, Fiber Bragg gratings, Data modeling

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Proceedings Article | 18 November 2013 Paper

Optical fibre monitoring of Madeira wine estufagem process

C. Novo, L. Bilro, N. Alberto, P. Antunes, J. Pinto, R. Ferreira, R. Nogueira

Proceedings Volume 8785, 8785EX (2013) https://doi.org/10.1117/12.2025397

KEYWORDS: Sensors, Optical fibers, Phase only filters, Absorbance, Neodymium, Optical sensing, Liquids, Absorption, Infrared radiation, Data acquisition

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Proceedings Article | 20 May 2013 Paper

Plastic optical fibre sensor for quality control in food industry

C. Novo, L. Bilro, N. Alberto, P. Antunes, R. Ferreira, R. Nogueira, C. Leitão, J. Pinto

Proceedings Volume 8794, 879411 (2013) https://doi.org/10.1117/12.2025489

KEYWORDS: Sensors, Refractive index, Optical fibers, Bioalcohols, Water, Liquids, Infrared radiation, Light emitting diodes, Absorption, Control systems

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Proceedings Article | 20 May 2013 Paper

In the trail of a fiber Bragg grating sensor to assess the central arterial pressure wave profile

Paulo Antunes, Cátia Leitão, José Bastos, Paulo André, João Pinto

Proceedings Volume 8794, 87941C (2013) https://doi.org/10.1117/12.2026029

KEYWORDS: Sensors, Fiber Bragg gratings, Head, Optical fibers, Wave propagation, Arteries, Fiber optics sensors, Aluminum, Interfaces, Hemodynamics

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SPIE Journal Paper | 7 January 2013 Open Access

Feasibility studies of Bragg probe for noninvasive carotid pulse waveform assessment

Catia Leitao, Paulo Antunes, Nélia Alberto, Lucia Bilro, Hugo Lima, Paulo André, Rogério Nogueira, Joao Pinto

JBO, Vol. 18, Issue 01, 017006, (January 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.1.017006

KEYWORDS: Sensors, Arteries, Fiber Bragg gratings, Data acquisition, Optical fibers, Optical spheres, Actuators, Artificial intelligence, Physics, Sensor calibration

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Proceedings Article | 7 November 2012 Paper

Optical monitoring of curing process of concrete with plastic optical fibers

Humberto Varum, Paulo André, Paulo Antunes, Licínio Ferreira

Proceedings Volume 8421, 8421BC (2012) https://doi.org/10.1117/12.974995

KEYWORDS: Polymer optical fibers, Sensors, Cements, Scattering, Signal attenuation, Temperature metrology, Humidity, Optical sensors, Water, Civil engineering

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Proceedings Article | 8 May 2012 Paper

Development of a FBG probe for non-invasive carotid pulse waveform assessment

R. Nogueira, J. Pinto, N. Alberto, P. Antunes, P. André, H. Lima, L Bilro, C. Leitão

Proceedings Volume 8427, 84270J (2012) https://doi.org/10.1117/12.923560

KEYWORDS: Sensors, Fiber Bragg gratings, Arteries, Heart, Optical spheres, Beam propagation method, Optical fibers, Physics, Data acquisition, Wave propagation

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Proceedings Article | 26 July 2011 Paper

Dynamic monitoring of a mobile telecommunications tower with a bi-axial optical FBG accelerometer

Paulo Antunes, Humberto Varum, Rui Travanca, Paulo André

Proceedings Volume 8001, 800148 (2011) https://doi.org/10.1117/12.892216

KEYWORDS: Fiber Bragg gratings, Calibration, Telecommunications, Structural health monitoring, Mobile communications, Photography, RF communications, Sensors, Data modeling, Radar

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Proceedings Article | 18 May 2011 Paper

Three parameters simultaneous measurement with a single TFBG

Nélia Alberto, João Pinto, Paulo Antunes, Rogério Nogueira, Carlos Marques

Proceedings Volume 7753, 77537Z (2011) https://doi.org/10.1117/12.885117

KEYWORDS: Sensors, Cladding, Temperature metrology, Refractive index, Fiber Bragg gratings, Environmental monitoring, Environmental sensing, Light wave propagation, Optical resolution, Biomedical optics

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Proceedings Article | 5 October 2009 Paper

Temperature and strain discrimination using a single fibre Bragg grating written in a tapered optical fibre

H. Lima, J. Lemos Pinto, P. Antunes, R. Nogueira

Proceedings Volume 7503, 75032Z (2009) https://doi.org/10.1117/12.835132

KEYWORDS: Fiber Bragg gratings, Sensors, Head, Temperature metrology, Optical fibers, Tapered optical fibers, Error analysis, Modulation, Fiber optics sensors, Multiplexing

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Showing 5 of 34 publications

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