Prof. Paulo S. André Profile

Prof. Paulo S. André

Associate Professor at Instituto de Telecomunicações

SPIE Involvement:

Author

Publications (48)

Proceedings Article | 17 May 2022 Poster + Paper

Non-invasive indoor activity monitoring using photonic based accelerometers

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

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

Rui Min, Luís Pereira, Tiago Paixão, Getinet Woyessa, Paulo André, Ole Bang, Anselmo Frizera, 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 | 3 October 2019 Paper

Development of a compact and portable SHG FROG

Ana Filipa Ribeiro, Celso João, Swen Künzel, Jayanath Koliyadu, Paulo André, Marta Fajardo

Proceedings Volume 11207, 112072N (2019) https://doi.org/10.1117/12.2530804

KEYWORDS: Second-harmonic generation, Pulsed laser operation, Oscillators, Dispersion, Crystals, Diagnostics, Optical components, Sapphire, Iris

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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

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

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

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

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 | 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

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

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, Nélia Alberto, Fátima Domingues, Cátia Leitão, Paulo Antunes, João Pinto, Paulo André

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 Presentation + Paper

Impact of thermal pre-treatment on preforms for fast Bragg gratings inscription using undoped PMMA POFs

Carlos Marques, Andreas Pospori, Pawel Mergo, Paulo André, David Webb

Proceedings Volume 10232, 102320A (2017) https://doi.org/10.1117/12.2264229

KEYWORDS: Ultraviolet radiation, Pulsed laser operation, Humidity, Helium cadmium lasers, Laser systems engineering, Fiber Bragg gratings, Polymer optical fibers, Annealing, Sensors, Polymethylmethacrylate, Optical components, Materials processing, Optical fabrication

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Proceedings Article | 16 May 2017 Paper

Chirped polymer optical fiber Bragg grating sensors

Carlos Marques, L. Pereira, P. Antunes, P. Mergo, D. Webb, J. Pinto, 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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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, Fátima Domingues, Nélia Alberto, Carlos Marques, Paulo Antunes

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

Central arterial pressure assessment with intensity POF sensor

Cátia Leitão, Steve Gonçalves, Paulo Antunes, José Bastos, 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

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

M. Domingues, T. Paixão, E. Mesquita, 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 | 22 August 2014 Paper

Calculation of the number of bits required for the estimation of the bit error ratio

Álvaro Almeida, Nuno Silva, Nelson Muga, Paulo André, Armando Pinto

Proceedings Volume 9286, 928607 (2014) https://doi.org/10.1117/12.2063640

KEYWORDS: Error analysis, Signal to noise ratio, Telecommunications, Neon, Statistical analysis, Signal attenuation, Fiber optic communications, Physics, Electronics, Information science

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Proceedings Article | 22 August 2014 Paper

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

Paulo André, M. Domingues, Paulo Antunes, 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 | 22 August 2014 Paper

Optimal launch power prediction of a 100G PM-DQPSK dispersion-managed link with the Gaussian noise model

Telmo Almeida, Miguel Drummond, Natasa Pavlović, Paulo André, Rogério Nogueira

Proceedings Volume 9286, 92861X (2014) https://doi.org/10.1117/12.2063736

KEYWORDS: Digital signal processing, Performance modeling, Systems modeling, Optical filters, Mathematical modeling, Electronic filtering, Reliability, Dispersion, Interference (communication), Modulation

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Proceedings Article | 22 August 2014 Paper

A brief review on quantum bit commitment

Álvaro Almeida, Ricardo Loura, Nikola Paunković, Nuno Silva, Nelson Muga, Paulo Mateus, Paulo André, Armando Pinto

Proceedings Volume 9286, 92861C (2014) https://doi.org/10.1117/12.2063733

KEYWORDS: Quantum communications, Polarization, Cryptography, Computer security, Quantum memory, Telecommunications, Quantum cryptography, Quantum computing, Quantum information, Photon polarization

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Proceedings Article | 17 July 2014 Open Access

Graphical user interfaces for teaching and research in optical communications

Telmo Almeida, Rogerio Nogueira, Paulo André

Proceedings Volume 9289, 92891U (2014) https://doi.org/10.1117/12.2070562

KEYWORDS: Human-machine interfaces, Visualization, Optical amplifiers, Optical communications, Computer programming, Optimization (mathematics), Photonics, Computer programming languages, C++, Analytical research

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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, Rute A. Ferreira, Paulo André

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

Enabling quantum communications through accurate photons polarization control

Álvaro Almeida, Nelson Muga, Nuno Silva, Aleksandar Stojanovic, Paulo André, Armando Pinto, José Mora, José Capmany

Proceedings Volume 8785, 8785CG (2013) https://doi.org/10.1117/12.2026208

KEYWORDS: Polarization, Quantum communications, Quantum key distribution, Photons, Wave plates, Computer programming, Polarization control, Sensors, Quantum cryptography, Quantum information

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Proceedings Article | 20 May 2013 Paper

Sensing structure based on surface plasmonic resonance in single mode optical fibers chemically etched

L. Coelho, J. Almeida, J. Santos, R. Ferreira, P. André, D. Viegas

Proceedings Volume 8794, 87940E (2013) https://doi.org/10.1117/12.2026809

KEYWORDS: Sensors, Refractive index, Dielectrics, Cladding, Gold, Biological and chemical sensing, Optical fibers, Single mode fibers, Plasmonics, Surface plasmons

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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

Cátia Leitão, Paulo Antunes, 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

Licínio Ferreira, Paulo Antunes, Humberto Varum, Paulo André

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

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

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

Multichannel dispersion compensation using a simplified approach SFBG design

Luís Sá, Carlos Marques, Nélia Alberto, Rogério Nogueira, Paulo André

Proceedings Volume 8001, 800143 (2011) https://doi.org/10.1117/12.892100

KEYWORDS: Picosecond phenomena, Phase modulation, Modulation, Optical design, Fiber Bragg gratings, Apodization, Phase shift keying, Reflectivity, Dispersion, Refractive index

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Proceedings Article | 26 July 2011 Paper

Integrated optics structures on sol-gel derived organic-inorganic hybrids for optical communications

P. André, C. M. S. Vicente, V. Fernandes, C. Marques, E. Pecoraro, R. Nogueira, N. Wada, L. Carlos, P. Marques, R. A. S. Ferreira

Proceedings Volume 8001, 800120 (2011) https://doi.org/10.1117/12.894538

KEYWORDS: Refractive index, Integrated optics, Optical filters, Sol-gels, Planar waveguides, Fiber Bragg gratings, Waveguides, Scanning electron microscopy, Dielectrics, Optical communications

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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, Rui Travanca, Humberto Varum, 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 | 11 July 2009 Paper

Dual scale structural health monitoring system combining FBG sensors and laser scanning

Hugo Lima, M. Fátima Domingues, Rogério Nogueira, Paulo André, João Pinto

Proceedings Volume 7391, 73910O (2009) https://doi.org/10.1117/12.827712

KEYWORDS: Sensors, Fiber Bragg gratings, Structural health monitoring, Laser range finders, Data acquisition, Earthquakes, Buildings, Temperature metrology, Phase shifts, Mirrors

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Proceedings Article | 28 September 2007 Paper

Modal analysis of organic-inorganic hybrid planar waveguides for integrated optics

L. Penedo Pellegrino, P. André, R. A. Sá Ferreira, L. Carlos, C. Vicente, P. Monteiro

Proceedings Volume 6653, 66530H (2007) https://doi.org/10.1117/12.734348

KEYWORDS: Planar waveguides, Waveguides, Wave propagation, Refractive index, Zirconium, Silica, Modal analysis, Integrated optics, Prisms, Sol-gels

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Proceedings Article | 2 July 2007 Paper

Structural health monitoring of the church of Santa Casa da Misericórdia of Aveiro using FBG sensors

H. Lima, R. Vicente, R. Nogueira, I. Abe, P. André, C. Fernandes, H. Rodrigues, H. Varum, H. Kalinowski, A. Costa, J. Pinto

Proceedings Volume 6619, 661941 (2007) https://doi.org/10.1117/12.738835

KEYWORDS: Sensors, Fiber Bragg gratings, Temperature sensors, Structural health monitoring, Telecommunications, Epoxies, Temperature metrology, Multiplexing, Optical fibers, Sensor networks

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Proceedings Article | 17 September 2005 Paper

Production and characterization of broad fibre Bragg gratings for photonic devices

Hypolito Kalinowski, Fabiano Kuller, Jean Cardoso da Silva, Rogério Nogueira, José Fabris, Alexandre A. Pohl, Paulo S. André

Proceedings Volume 5951, 595101 (2005) https://doi.org/10.1117/12.612920

KEYWORDS: Fiber Bragg gratings, Ultraviolet radiation, Hydrogen, Phase interferometry, Interferometers, Dispersion, Refractive index, Modulation, Single mode fibers, Reflectivity

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Proceedings Article | 3 June 2005 Paper

Abnormal growth mechanism of fiber Bragg gratings in high-Germanium-doped fibers

M. Lima, R. Nogueira, J. Silva, A. Teixeira, P. Andre, J. da Rocha, H. Kalinowski, J. Pinto

Proceedings Volume 5825, (2005) https://doi.org/10.1117/12.604817

KEYWORDS: Fiber Bragg gratings, Optical communications, Reflectivity, Ultraviolet radiation, Optical sensing, Temperature metrology, Thermal sensing, Optical filters, Sensors, Modulation

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Proceedings Article | 7 February 2005 Paper

Detailed research of the performance of bidirectionally pumped Raman fiber amplifier

Xiangjun Xin, Chongxiu Yu, Paulo Andre, Antonio Teixeira, Qi Zhang, Anjian Li, Paulo Monteiro

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.576926

KEYWORDS: Raman spectroscopy, Fiber amplifiers, Optical amplifiers, Radiofrequency ablation, Wavelength division multiplexing, Signal attenuation, Optical fibers, Optical filters, Semiconductor optical amplifiers, Attenuators

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SPIE Journal Paper | 1 September 2003

Comparison of the thermal tuning capability of different types of Bragg grating filters for wavelength division multiplexing applications

Mario Lima, Antonio Teixeira, Jose da Rocha, Orlando Frazao, Paulo Andre

OE, Vol. 42, Issue 09, (September 2003) https://doi.org/10.1117/12.10.1117/1.1593661

KEYWORDS: Fiber Bragg gratings, Wavelength division multiplexing, Temperature metrology, Optical filters, Reflectivity, Hydrogen, Ultraviolet radiation, Telecommunications, Thermal efficiency, Refractive index