Prof. Pedro Alberto S. da Silva Jorge Profile

Prof. Pedro Alberto S. da Silva Jorge

Senior Researcher at INESC TEC

SPIE Involvement:

Author

Area of Expertise:

optical fiber , chemical sensors , biosensors , optical trapping , Fluorescence Spectroscopy , Interferometry

Publications (87)

Proceedings Article | 17 May 2022 Presentation + Paper

Optical biosensor for the detection of low concentrations of hydrogen peroxide in milk samples

Helena Vasconcelos, Ana Beatriz Matias Teixeira, João Mendes, João Araújo, Bernardo Dias, Pedro A. Jorge, Cristina Saraiva, Luis C. Coelho, José Manuel M. de Almeida

Proceedings Volume 12139, 121390W (2022) https://doi.org/10.1117/12.2621552

KEYWORDS: Hydrogen, Optical biosensors, Sensors, Chemiluminescence, Statistical analysis, Sodium, Magnesium, Calibration, Physics, Liquids

Read Abstract +

Proceedings Article | 1 April 2020 Presentation

Femtosecond laser micromachining of Fabry-Perot interferometers in SMF-28 fiber for pressure sensing (Conference Presentation)

Duarte Viveiros, José M. M. Almeida, Luís Coelho, João Maia, Vítor Amorim, Helena Vasconcelos, Pedro A. Jorge, Paulo V. Marques

Proceedings Volume 11354, 113540R (2020) https://doi.org/10.1117/12.2554415

Read Abstract +

Proceedings Article | 1 April 2020 Presentation + Paper

Femtosecond laser-written long period fibre gratings coated with titanium dioxide for improved sensitivity

Duarte Viveiros, José M. M. M. de Almeida, Luís Coelho, Helena Vasconcelos, Vítor Amorim, João Maia, Pedro A. S. Jorge, Paulo V. Marques

Proceedings Volume 11354, 113540C (2020) https://doi.org/10.1117/12.2555686

KEYWORDS: Cladding, Optical fibers, Refractive index, Titanium dioxide, Femtosecond phenomena, Fiber coatings, Fiber lasers, Coating, Thin films

Read Abstract +

Proceedings Article | 1 April 2020 Presentation + Paper

Preliminary assessment on the detection of putrescine using long period fiber gratings coated with titanium dioxide and poly(ethylene-co-vinyl acetate)

Helena Vasconcelos, Jose M. M. Almeida, Cristina Saraiva, Duarte Viveiros, P. A. S. Jorge, L. Coelho

Proceedings Volume 11354, 113540B (2020) https://doi.org/10.1117/12.2555397

KEYWORDS: Refractive index, Fiber coatings, Titanium dioxide, Calibration, Signal attenuation, Liquids, Water, Polymers, Cladding, Fiber optics sensors

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Fabrication of periodic structures in optical fibers by femtosecond laser micromachining for sensing applications

Duarte Viveiros, João Maia, Vítor Amorim, Pedro A. Jorge, P. V. Marques

Proceedings Volume 11207, 112070W (2019) https://doi.org/10.1117/12.2527261

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Optical fibers, Annealing, Laser systems engineering, Reflectivity, Structured optical fibers, Signal attenuation, Bragg gratings, Waveguides

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Plasma control by pattern recognition in laser induced breakdown spectroscopy

M. F. Ferreira, D. Guimarães, P. A. Jorge, R. C. Martins

Proceedings Volume 11207, 112072T (2019) https://doi.org/10.1117/12.2530921

KEYWORDS: Laser induced breakdown spectroscopy, Pattern recognition, Principal component analysis, Lithium, Plasma, Laser energy, Minerals

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Optimization of interrogation methods for sensors based on optical microbubble resonators

P. S. dos Santos, L. Coelho, P. A. Jorge

Proceedings Volume 11207, 112072S (2019) https://doi.org/10.1117/12.2530919

KEYWORDS: Resonators, Tunable lasers, Sensors, Laser stabilization, Laser scanners, Absorption, Laser sources, Modulation, Feedback loops

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Application of a novel LIBS prototype as an analytical grade tool for Li quantification in pegmatite samples

Diana Guimarães, Miguel F. Ferreira, Ricardo Ribeiro, Cátia Dias, Alexandre Lima, Rui C. Martins, Pedro A. Jorge

Proceedings Volume 11207, 1120725 (2019) https://doi.org/10.1117/12.2527978

KEYWORDS: Lithium, Laser induced breakdown spectroscopy, Prototyping, Statistical analysis, Statistical modeling, Mining, Chemical analysis, Plasma

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Functional metamaterials for optical sensing of hydrogen

A. Guerreiro, Arlete Apolinario, Armandina Lopes, Aurelio Hierro-Rodriguez, Gerardo Aguilar, Jose Manuel Baptista, Nuno Silva, Orlando Frazão, Paula Virginia Quiterio, Pedro Jorge, Pedro Rodrigues, Suellen Silveira Moraes, Susana Silva, Tiago Ferreira, Jose Luis Santos, João Pedro Araujo

Proceedings Volume 11207, 1120724 (2019) https://doi.org/10.1117/12.2527672

KEYWORDS: Palladium, Metamaterials, Hydrogen, Optical properties, Refractive index, Sensors, Nanowires, Optical sensing, Optical fibers, Dendrites

Read Abstract +

Proceedings Article | 4 March 2019 Presentation + Paper

A novel method for scatterers type enumeration in polydisperse suspensions through fiber trapping and unsupervised scattering analysis

Joana S. Paiva, Rita Ribeiro, Pedro A. S. Jorge, Carla C. Rosa, Paula Sampaio, João P. S. Cunha

Proceedings Volume 10881, 108811N (2019) https://doi.org/10.1117/12.2505729

KEYWORDS: Nanoparticles, Particles, Principal component analysis, Optical fibers, Bacteria, Signal processing, Optical tweezers, Light scattering, Scattering, Yeast

Read Abstract +

Proceedings Article | 27 February 2019 Presentation + Paper

Optical fiber-based sensing method for nanoparticles detection through back-scattering signal analysis

Joana Paiva, Rita S. Ribeiro, Pedro A. S. Jorge, Carla Rosa, Paula Sampaio, João P. Cunha

Proceedings Volume 10872, 108720E (2019) https://doi.org/10.1117/12.2505728

KEYWORDS: Nanoparticles, Signal detection, Signal processing, Refractive index, Binary data, Polymers, Optical fibers, Light scattering, Fiber lasers, Particles

Read Abstract +

Proceedings Article | 17 May 2018 Paper

Experimental and theoretical evaluation of the trapping performance of polymeric lensed optical fibers: single biological cells versus synthetic structures

Joana Paiva, Rita S. Ribeiro, Pedro A. Jorge, Carla Rosa, Maria Azevedo, Paula Sampaio, Joao P. Cunha

Proceedings Volume 10685, 106852W (2018) https://doi.org/10.1117/12.2304358

KEYWORDS: Particles, Polymers, Yeast, Optical tweezers, Optical fibers, Polymethylmethacrylate, Polymer optical fibers, Fiber lasers, Computer simulations, Radio propagation

Read Abstract +

Proceedings Article | 16 May 2017 Paper

Low temperature oxidation in air of iron thin films monitored with long period fiber gratings

L. Coelho, J. L. Santos, P. A. S. Jorge, J. M. M. de Almeida

Proceedings Volume 10231, 102310Y (2017) https://doi.org/10.1117/12.2266324

KEYWORDS: Iron, Corrosion, Signal attenuation, Metals, Fiber optics sensors, Cladding, Oxides, Agriculture, Mining, Contamination, Oxidation, Thin films, Scanning electron microscopy, Electron microscopes, Sensors

Read Abstract +

Proceedings Article | 23 April 2017 Paper

Study of corrosion using long period fiber gratings coated with iron exposed to salty water

L. Coelho, J. Santos, P. A. S. Jorge, J. M. M. de Almeida

Proceedings Volume 10323, 103234Z (2017) https://doi.org/10.1117/12.2266400

KEYWORDS: Iron, Corrosion, Sensors, Oxidation, Signal attenuation, Metals, Fiber coatings, Oxides, Sodium, Water

Read Abstract +

SPIE Journal Paper | 18 August 2016 Open Access

Aptamer-based fiber sensor for thrombin detection

Luís Coelho, José Manuel Marques Martins de Almeida, José Luís Santos, Pedro Alberto da Silva Jorge, Maria Cristina L. Martins, Diana Viegas, Raquel Queirós

JBO, Vol. 21, Issue 08, 087005, (August 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.8.087005

KEYWORDS: Titanium dioxide, Sensors, Fiber optics sensors, Fiber Bragg gratings, Optical fibers, Signal attenuation, Proteins, Gold, Refractive index, Biosensing

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 30 May 2016 Paper

LPG-based sensor for curvature and vibration

I. Nascimento, G. Chesini, J. Baptista, Cristiano M. Cordeiro, P. Jorge

Proceedings Volume 9916, 99162D (2016) https://doi.org/10.1117/12.2237041

KEYWORDS: Sensors, Fiber optics sensors, Structural health monitoring, Structured optical fibers, Modulation, Single mode fibers, Mechanical sensors, Refractive index, Temperature metrology, Bridges, Cladding, Photodetectors

Read Abstract +

Proceedings Article | 30 May 2016 Paper

Special diffractive elements for optical trapping fabricated on optical fiber tips using the focused ion beam

R. S. Rodrigues Ribeiro, A. Guerreiro, J. Viegas, P. A. Jorge

Proceedings Volume 9916, 99161N (2016) https://doi.org/10.1117/12.2236983

KEYWORDS: Lenses, Optical fibers, Ion beams, Optical components, Chemical elements, Optical tweezers, Gaussian beams, Fresnel lenses, Manufacturing, Optics manufacturing, Scanning probe lithography, Near field optics, Particles, Spiral phase plates

Read Abstract +

Proceedings Article | 4 March 2016 Paper

Compact solutions for optical fiber tweezers using Fresnel zone and phase lenses fabricated using FIB milling

R. Rodrigues Ribeiro, P. Dahal, A. Guerreiro, P. A. Jorge, J. Viegas

Proceedings Volume 9764, 97640C (2016) https://doi.org/10.1117/12.2213667

KEYWORDS: Optical fibers, Ion beams, Optical tweezers, Finite-difference time-domain method, Multimode fibers, Zone plates, Beam shaping, Free space optics, Laser applications, Single mode fibers, Lenses, Scanning electron microscopy, Image segmentation, Near field, Particles, Ions

Read Abstract +

Proceedings Article | 4 March 2016 Paper

Generation of Laguerre Gaussian beams using spiral phase diffractive elements fabricated on optical fiber tips using focused ion beam milling

R. Rodrigues Ribeiro, P. Dahal, A. Guerreiro, P. A. Jorge, J. Viegas

Proceedings Volume 9764, 97640Q (2016) https://doi.org/10.1117/12.2213682

KEYWORDS: Spiral phase plates, Optical fibers, Optical components, Ion beams, Lenses, Gaussian beams, Optical vortices, Finite-difference time-domain method, Optical tweezers, Wave plates, Scanning probe lithography, Optics manufacturing, Particles

Read Abstract +

Proceedings Article | 28 September 2015 Paper

In-fiber Michelson interferometer inclinometer

C. da Silveira, P. Jorge, J. Costa, M. Giraldi, J. Santos, O. Frazão

Proceedings Volume 9634, 96341W (2015) https://doi.org/10.1117/12.2195392

KEYWORDS: Visibility, Michelson interferometers, Sensors, Fringe analysis, Cladding, Refractive index, Interferometers, Head, Capillaries, Temperature metrology

Read Abstract +

Proceedings Article | 28 September 2015 Paper

Curvature sensing using an added-signal in a fiber optic cavity ring-down system

Susana Silva, P. Biswas, S. Bandyopadhyay, P. Jorge, M. Marques, O. Frazão

Proceedings Volume 9634, 96341G (2015) https://doi.org/10.1117/12.2194785

KEYWORDS: Fiber optics, Signal processing, Sensing systems, Carbon dioxide lasers, Optical fibers, Signal attenuation, Sensors, Reflectometry, Modulation, Fiber couplers

Read Abstract +

Proceedings Article | 28 September 2015 Paper

Erbium doped optical fiber lasers for magnetic field sensing

I. Nascimento, J. Baptista, P. Jorge, J. Cruz, M. Andrés

Proceedings Volume 9634, 96345T (2015) https://doi.org/10.1117/12.2195073

KEYWORDS: Fiber Bragg gratings, Magnetism, Fiber lasers, Interferometers, Optical fibers, Laser optics, Modulation, Erbium, Magnetic sensors, Sensors

Read Abstract +

Proceedings Article | 28 September 2015 Paper

Polymeric optical fiber tweezers as a tool for single cell micro manipulation and sensing

R. Rodrigues Ribeiro, O. Soppera, A. Guerreiro, P. Jorge

Proceedings Volume 9634, 96342K (2015) https://doi.org/10.1117/12.2195207

KEYWORDS: Particles, Polymers, Optical fibers, Optical tweezers, Yeast, Polymer optical fibers, Fiber optics, Polymerization, Modulation, Computer simulations

Read Abstract +

Proceedings Article | 5 May 2015 Paper

Magnetic field measurement using a fiber laser sensor in ring arrangement

I. Nascimento, J. Baptista, P. A. Jorge, J. Cruz , M. Andrés

Proceedings Volume 9506, 95061M (2015) https://doi.org/10.1117/12.2182644

KEYWORDS: Magnetism, Polarization, Fiber Bragg gratings, Fiber lasers, Interferometers, Sensors, Magnetic sensors, Optical fibers, Laser optics, Modulation

Read Abstract +

Proceedings Article | 13 March 2015 Paper

Focused ion beam 3D nano-patterned optical fiber tips for advanced beam profile engineering

Ricardo Janeiro, Raquel Flores, Ana Ribeiro, Pedro Jorge, Jaime Viegas

Proceedings Volume 9374, 93740E (2015) https://doi.org/10.1117/12.2079143

KEYWORDS: Optical fibers, Etching, Ion beams, Optical lithography, Zone plates, Diffraction, Picosecond phenomena, Optical tweezers, Near field optics, Infrared cameras

Read Abstract +

Proceedings Article | 10 March 2015 Paper

The efficiency of fiber optical tweezers for cell manipulation using distinct fabrication methods

R. Rodrigues Ribeiro, O. Soppera, J. Viegas, A. Guerreiro, P. A. Jorge

Proceedings Volume 9379, 93790N (2015) https://doi.org/10.1117/12.2079798

KEYWORDS: Yeast, Optical fibers, Lenses, Particles, Polymers, Spherical lenses, Ion beams, Optical tweezers, Scanning electron microscopy, Fiber optics

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Rapid fabrication of polymeric micro lenses for optical fiber trapping and beam shaping

R. Rodrigues Ribeiro, R. Queirós, C. Ecoffet, O. Soppera, A. Oliva, A. Guerreiro, P. Jorge

Proceedings Volume 9164, 91642M (2014) https://doi.org/10.1117/12.2060374

KEYWORDS: Polymers, Lenses, Optical fibers, Yeast, Polymer optical fibers, Beam shaping, Polymerization, Particles, Optical tweezers, Waveguides

Read Abstract +

Proceedings Article | 22 August 2014 Paper

Remote curvature fiber sensors using core mismatch structures and OTDR based interrogation

Cindy Fernandes, Maria Thereza Rocco Giraldi, Carlos Gouveia, Marco de Sousa, João C. W. A. Costa, Orlando Frazão, Pedro Jorge

Proceedings Volume 9286, 928646 (2014) https://doi.org/10.1117/12.2063008

KEYWORDS: Sensors, Signal attenuation, Remote sensing, Fiber optics sensors, Single mode fibers, Structured optical fibers, Code division multiplexing, Temperature metrology, Multimode fibers, Optical sensors

Read Abstract +

Proceedings Article | 2 June 2014 Paper

Analysis of a fibre optic sensor design based on SPR in nanowire metamaterial films

I. Leite, P. Fernandes, A. Hierro-Rodriguez, J. Teixeira, P. A. Jorge, A. Guerreiro

Proceedings Volume 9157, 91573C (2014) https://doi.org/10.1117/12.2059766

KEYWORDS: Refractive index, Sensors, Reflectivity, Metamaterials, Fiber optics sensors, Liquids, Optical fibers, Optical design, Silver, Nanowires

Read Abstract +

Proceedings Article | 2 June 2014 Paper

SPR sensors in POF: a new experimental configuration for extended refractive index range and better SNR

N. Cennamo, L. Coelho, A. Guerreiro, P. A. Jorge, L. Zeni

Proceedings Volume 9157, 915759 (2014) https://doi.org/10.1117/12.2059653

KEYWORDS: Phase only filters, Sensors, Refractive index, Signal to noise ratio, Cladding, Polymer optical fibers, Optical filters, Photoresist materials, Gold, Spectrum analysis

Read Abstract +

Proceedings Article | 2 June 2014 Paper

Fiber optical beam shaping using polymeric structures

R. Rodrigues Ribeiro, R. Queirós, A. Guerreiro, C. Ecoffet, O. Soppera, P. A. Jorge

Proceedings Volume 9157, 91573K (2014) https://doi.org/10.1117/12.2059402

KEYWORDS: Polymers, Structured optical fibers, Waveguides, Single mode fibers, Beam shaping, Optical fibers, Fiber lasers, Microscopes, Polymer optical fibers, Fiber optics

Read Abstract +

Proceedings Article | 2 June 2014 Paper

Fabrication and characterization of spun HiBi PCF fibers for current sensing applications

I. Nascimento, G. Chesini, A. C. Brígida, J. Hayashi, J. Baptista, J. C. W. Costa, M. A. Martinez, P. A. Jorge, Cristiano M. Cordeiro

Proceedings Volume 9157, 915723 (2014) https://doi.org/10.1117/12.2059197

KEYWORDS: Optical fibers, Birefringence, Sensors, Polarization, Fiber optics sensors, Photonic crystal fibers, Fiber optics, Optical fiber cables, Magnetism, Polarimetry

Read Abstract +

Proceedings Article | 3 March 2014 Paper

DNA-Aptamer optical biosensors based on a LPG-SPR optical fiber platform for point-of-care diagnostic

L. Coelho, R. Queirós, J. Santos, M. Cristina Martins, D. Viegas, P. A. Jorge

Proceedings Volume 8957, 89570K (2014) https://doi.org/10.1117/12.2040892

KEYWORDS: Sensors, Coating, Refractive index, Optical fibers, Cladding, Biosensors, Diagnostics, Proteins, Sodium, Titanium dioxide

Read Abstract +

Proceedings Article | 20 February 2014 Paper

Self-referenced label free biosensors based on differential fiber optic interferometry

R. Queirós, C. Gouveia, M. Cristina Martins, P. Jorge

Proceedings Volume 8938, 89381K (2014) https://doi.org/10.1117/12.2040919

KEYWORDS: Interferometers, Cladding, Refractive index, Interferometry, Fiber optics, Biosensors, Biosensing, Sensing systems, Proteins, Sensors

Read Abstract +

Proceedings Article | 18 November 2013 Paper

New developments on the design and modeling of fiber optical tweezers

R. Rodrigues Ribeiro, P. A. Jorge, A. Guerreiro

Proceedings Volume 8785, 8785F9 (2013) https://doi.org/10.1117/12.2027443

KEYWORDS: Particles, Waveguides, Refractive index, Optical tweezers, Fiber optics, Dielectrics, Light scattering, Scattering, Biology, Optical fibers

Read Abstract +

Proceedings Article | 18 November 2013 Paper

Effective medium theory of subwavelength arrays of metallic nanowires: a numerical approach based on modal propagation method

A. Silva, I. Leite, J. Teixeira, J. Araujo, J. C. W. Costa, M. T. Giraldi, P. A. Jorge, A. Guerreiro

Proceedings Volume 8785, 87850A (2013) https://doi.org/10.1117/12.2026022

KEYWORDS: Radio propagation, Refractive index, Silver, Electromagnetism, Metamaterials, Homogenization, Interfaces, Computer simulations, Wave propagation, Nanowires

Read Abstract +

Proceedings Article | 18 November 2013 Paper

Development of an electrical current sensor prototype for applications in high-power lines

I. Nascimento, A. C. Brígida, J. Baptista, J. C. W. Costa, M. A. Martinez, P. A. Jorge

Proceedings Volume 8785, 8785FP (2013) https://doi.org/10.1117/12.2031429

KEYWORDS: Sensors, Signal processing, Magnetic sensors, Magnetism, Data acquisition, Prisms, Prototyping, Birefringence, Glasses, Polarimetry

Read Abstract +

Proceedings Article | 18 November 2013 Paper

Ag-nanowire metamaterials: spectral reflectance analysis and homogenization models

I. Leite, A. Silva, A. Hierro-Rodríguez, C. Sousa, M. Fernández-García, J. Teixeira, J. Araujo, M. Giraldi, J. W. C. Costa, D. Viegas, P. A. Jorge, A. Guerreiro

Proceedings Volume 8785, 8785FL (2013) https://doi.org/10.1117/12.2027626

KEYWORDS: Metamaterials, Homogenization, Reflection, Reflectivity, Optical properties, Silver, Data modeling, Absorption, Metals, Nanowires

Read Abstract +

Proceedings Article | 18 November 2013 Paper

Enhancement of refractive index sensitivity of the in-line Mach-Zehnder interferometer through bending

Clenilson da Silveira, J. W. Costa, M. T. Giraldi, Marcos A. Franco, P. A. Jorge

Proceedings Volume 8785, 8785FM (2013) https://doi.org/10.1117/12.2028226

KEYWORDS: Refractive index, Sensors, Mach-Zehnder interferometers, Beam propagation method, Optical fibers, Numerical simulations, Interferometers, Signal attenuation, Interferometry, Fiber Bragg gratings

Read Abstract +

Proceedings Article | 18 November 2013 Paper

High refractive index and temperature sensitivity LPGs for high temperature operation

I. Nascimento, C. Gouveia, Surnimal Jana, Susanta Bera, J. Baptista, Paulo Moreira, Palas Biwas, Somnath Bandyopadhyay, Pedro A. Jorge

Proceedings Volume 8785, 8785FE (2013) https://doi.org/10.1117/12.2027573

KEYWORDS: Refractive index, Cladding, Coating, Sol-gels, Sensors, Temperature metrology, Signal attenuation, Optical fibers, Thin films, Fiber optics sensors

Read Abstract +

Proceedings Article | 18 November 2013 Paper

A long period grating-based platform for the detection of E. coli proteins

R. Queirós, C. Gouveia, J. R. Fernandes, P. V. Marques, J. Noronha, M. G. Sales, P. A. Jorge

Proceedings Volume 8785, 8785EY (2013) https://doi.org/10.1117/12.2025811

KEYWORDS: Sensors, Proteins, Water, Refractive index, Cladding, Head, Temperature metrology, Single mode fibers, Fiber optics, Calibration

Read Abstract +

Proceedings Article | 18 November 2013 Paper

Characterization of a novel dissolved CO2 sensor for utilization in environmental monitoring and aquaculture industry

K. Balogh, João Jesus, C. Gouveia, Jorge Domingues, A. Markovics, J. Baptista, B. Kovacs, Carlos Pereira, Maria-Teresa Borges, P. A. Jorge

Proceedings Volume 8785, 8785FC (2013) https://doi.org/10.1117/12.2027518

KEYWORDS: Sensors, Carbon dioxide, Absorption, Calibration, Fiber optics sensors, Optical sensors, Head, Environmental sensing, Optical fibers, Fiber optics

Read Abstract +

Proceedings Article | 20 May 2013 Paper

Evanescent wave DNA-aptamer biosensor based on long period gratings for the specific recognition of E. coli

R. Queirós, C. Gouveia, J. R. Fernandes, P. Jorge

Proceedings Volume 8794, 879414 (2013) https://doi.org/10.1117/12.2025813

KEYWORDS: Sensors, Water, Refractive index, Cladding, Head, Biosensors, Proteins, Fiber optics sensors, Environmental sensing, Calibration

Read Abstract +

Proceedings Article | 20 May 2013 Paper

New theoretical and experimental methods for the design of fiber optic tweezers

R. Rodrigues Ribeiro, A. Guerreiro, C. Ecoffet, O. Soppera, P. A. Jorge

Proceedings Volume 8794, 87941P (2013) https://doi.org/10.1117/12.2026801

KEYWORDS: Particles, Dielectrics, Optical tweezers, Waveguides, Fiber optics, Refractive index, Optical fibers, Water, Polymer optical fibers, Polymers

Read Abstract +

Proceedings Article | 20 May 2013 Paper

Application of a photonic crystal fiber LPG for vibration monitoring

I. Nascimento, G. Chesini, Marco Sousa, Jonas Osório, J. Baptista, Cristiano M. Cordeiro, Pedro A. Jorge

Proceedings Volume 8794, 87941L (2013) https://doi.org/10.1117/12.2026723

KEYWORDS: Sensors, Photonic crystal fibers, Refractive index, Fiber optics sensors, Structural health monitoring, Fiber Bragg gratings, Single mode fibers, Cladding, Signal attenuation, Tunable lasers

Read Abstract +

Proceedings Article | 20 May 2013 Paper

Fabrication of a spun elliptically birefringent photonic crystal fiber and its characterization as an electrical current sensor

A. Brígida, I. Nascimento, G. Chesini, J. Hayashi, J. Baptista, J. Costa, M. Martinez, P. Jorge, C. Cordeiro

Proceedings Volume 8794, 87940F (2013) https://doi.org/10.1117/12.2026865

KEYWORDS: Sensors, Birefringence, Photonic crystal fibers, Fiber optics sensors, Single mode fibers, Magnetism, Optical fibers, Polarimetry, Fiber optics, Signal processing

Read Abstract +

Proceedings Article | 7 November 2012 Paper

Temperature independent refractive index measurement using white light interferometry

C. Gouveia, M. Zibaii, H. Latifi, M. Marques, J. Baptista, P. A. Jorge

Proceedings Volume 8421, 84216O (2012) https://doi.org/10.1117/12.975650

KEYWORDS: Refractive index, Temperature metrology, Interferometers, Sensors, Interferometry, Phase shift keying, Optical interferometry, Biosensing, Environmental sensing, Modulation

Read Abstract +

Proceedings Article | 7 November 2012 Paper

Simultaneous measurement of refractive index and temperature based on multimode interference inside a fiber loop mirror

C. Gouveia, G. Chesini, J. Baptista, C. M. Cordeiro, P. A. Jorge

Proceedings Volume 8421, 84216M (2012) https://doi.org/10.1117/12.975281

KEYWORDS: Refractive index, Temperature metrology, Brain-machine interfaces, Mirrors, Fiber optics sensors, Head, Sensors, Birefringence, Fiber Bragg gratings, Polarization

Read Abstract +

Proceedings Article | 7 November 2012 Paper

LPG based fiber optic sensor for carbon dioxide

C. Gouveia, K. Balogh, J. Baptista, B. Kovacs, P. A. Jorge

Proceedings Volume 8421, 84216L (2012) https://doi.org/10.1117/12.975279

KEYWORDS: Carbon dioxide, Sensors, Refractive index, Absorption, Fiber optics sensors, Signal detection, Transmittance, Polymers, Calibration, Chemical analysis

Read Abstract +

Proceedings Article | 7 November 2012 Paper

Sensing characteristics of tapered high-birefringent optical fiber

A. Layeghi, M. Zibaii, J. Sadeghi, O. Frazao, P. A. Jorge, H. Latifi

Proceedings Volume 8421, 84217O (2012) https://doi.org/10.1117/12.968581

KEYWORDS: Birefringence, Temperature metrology, Sensors, Optical fibers, Carbon dioxide lasers, Refractive index, Mirrors, Interferometers, Polarization, Fiber optics sensors

Read Abstract +

Proceedings Article | 17 October 2012 Paper

Magnetic field sensor with Terfenol-D thin-film coated FBG

Ricardo Silva, G. Chesini, C. Gouveia, A. Lobo Ribeiro, O. Frazão, C. M. Cordeiro, P. A. Jorge

Proceedings Volume 8421, 84213C (2012) https://doi.org/10.1117/12.975169

KEYWORDS: Fiber Bragg gratings, Magnetism, Magnetic sensors, Sensors, Thin films, Temperature metrology, Laser systems engineering, Fiber optics sensors, Head, Optical scanning systems

Read Abstract +

Proceedings Article | 17 October 2012 Paper

Microfluidic chip for spectroscopic and refractometric analysis

A. Ribeiro, I. Martinho, J. Tillak, I. Bernacka-Wojcik, D. Barata, P. A. Jorge, H. Águas, A. Oliva

Proceedings Volume 8421, 84211Y (2012) https://doi.org/10.1117/12.975248

KEYWORDS: Refractive index, Microfluidics, Spectroscopy, Absorption, Interferometry, Fiber Bragg gratings, Multimode fibers, Glasses, Epoxies, Diagnostics

Read Abstract +

Proceedings Article | 17 October 2012 Paper

Simultaneous measurement of partial pressure of O2 and CO2 using hybrid interferometer

Paula Tafulo, L. Coelho, P. Jorge, J. Santos, Kay Schuster, Jens Kobelke, O. Frazão

Proceedings Volume 8421, 84212W (2012) https://doi.org/10.1117/12.970474

KEYWORDS: Interferometers, Carbon dioxide, Head, Sensors, Oxygen, Silica, Single mode fibers, Fabry–Perot interferometers, Refractive index, Carbon monoxide

Read Abstract +

Proceedings Article | 17 October 2012 Paper

Temperature-independent pressure sensor using triangular-shape of suspended-core fiber

M. Zibaii, S. Nouri, J. Sadeghi, H. Latifi, P. A. Jorge, K. Schuster, Jens Kobelke, O. Frazao

Proceedings Volume 8421, 84210Z (2012) https://doi.org/10.1117/12.966321

KEYWORDS: Sensors, Head, Single mode fibers, Temperature metrology, Structured optical fibers, Cladding, Fiber optics sensors, Micro optical fluidics, Transducers, Fiber Bragg gratings

Read Abstract +

Proceedings Article | 9 May 2012 Paper

Optical time-domain reflectometer based multiplexed sensing scheme for environmental sensing

J. Carvalho, C. Gouveia, J. Santos, P. A. Jorge, J. Baptista

Proceedings Volume 8439, 84390B (2012) https://doi.org/10.1117/12.922975

KEYWORDS: Refractive index, Multiplexing, Temperature metrology, Environmental sensing, Reflectometry, Remote sensing, Head, Cladding, Signal detection, Fiber optics sensors

Read Abstract +

Proceedings Article | 26 April 2012 Paper

Intensity curvature sensor based on photonic crystal fiber with three coupled cores

H. Martins, Manuel Marques, Pedro Jorge, Cristiano Cordeiro, Orlando Frazão

Proceedings Volume 8426, 84260F (2012) https://doi.org/10.1117/12.922784

KEYWORDS: Sensors, Photonic crystal fibers, Head, Single mode fibers, Light, Fiber optics sensors, Fabrication, Control systems, Optical properties, Dispersion

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Remote optical fiber sensor with Raman amplification

Thiago Coelho, A. Guerreiro, Pedro Jorge, M. J. Pontes

Proceedings Volume 8001, 800146 (2011) https://doi.org/10.1117/12.892187

KEYWORDS: Sensors, Fiber Bragg gratings, Refractive index, Raman spectroscopy, Head, Environmental sensing, Remote sensing, Fiber optics sensors, Optical fibers, Raman scattering

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Fabry-Pérot cavities based on chemical etching for high temperature and strain sensing

Paula Tafulo, P. A. S. Jorge, J. L. Santos, O. Frazão

Proceedings Volume 8001, 800141 (2011) https://doi.org/10.1117/12.892090

KEYWORDS: Sensors, Fiber optics sensors, Wet etching, Silica, Multimode fibers, Germanium, Single mode fibers, Etching, Graded index fibers, Cladding

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Controlling the sensitivity of a non-adiabatic tapered optical fiber for measuring the refractive index using all fiber Sagnac loop interferometer

M. Zibaii, P. A. S. Jorge, O. Frazão, H. Latifi

Proceedings Volume 8001, 800144 (2011) https://doi.org/10.1117/12.892102

KEYWORDS: Sensors, Interferometers, Refractive index, Cladding, Polarization, Fiber optics sensors, Tapered optical fibers, Environmental sensing, Interferometry, Optical fibers

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Towards single cell spectroscopy and refractometry in microfluidic chip platforms

J. B. Tillak, I. Bernacka-Wojcik, D. Barata, P. Jorge, H. Águas, A. G. Oliva

Proceedings Volume 8001, 800112 (2011) https://doi.org/10.1117/12.892180

KEYWORDS: Refractive index, Microfluidics, Fiber Bragg gratings, Spectroscopy, Reflectivity, Multimode fibers, Interferometry, Optical fibers, Absorption, Water

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Simultaneous measurement of strain and temperature using the FBG cladding modes based on a core misaligned splice

C. Gouveia, P. A. S. Jorge, J. M. Baptista, O. Frazão

Proceedings Volume 8001, 80013U (2011) https://doi.org/10.1117/12.891422

KEYWORDS: Cladding, Fiber Bragg gratings, Temperature metrology, Sensors, Head, Fiber optics, Fiber optics sensors, Fiber optics tests, Refractive index, Multiplexing

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Yeast metabolic state identification using micro-fiber optics spectroscopy

J. S. Silva, C. C. Castro, A. A. Vicente, P. Tafulo, P. Jorge, R. C. Martins

Proceedings Volume 8001, 80013H (2011) https://doi.org/10.1117/12.892262

KEYWORDS: Spectroscopy, Yeast, Fiber optics, Photonics, Current controlled current source, Light sources and illumination, Microscopes, Data acquisition, Bioalcohols, Microscopy

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Colorimetric and refractometric measurements of carbon dioxide

C. Jesus Gouveia, A. Markovics, J. Baptista, B. Kovács, P. A. S. Jorge

Proceedings Volume 8001, 80013C (2011) https://doi.org/10.1117/12.892091

KEYWORDS: Carbon dioxide, Refractive index, Interferometry, Absorption, Transmittance, Glasses, Sensors, Polymers, Light emitting diodes, Signal detection

Read Abstract +

Proceedings Article | 26 July 2011 Paper

Interferometric optical fiber inclinometer with dynamic FBG based interrogation

C. R. da Silveira, J. P. Carvalho, P. Jorge, J. W. A. Costa, M. T. R. Giraldi, J. L. Santos, E. L. Carvalho Júnior, D. O. Figueiredo, O. Frazão

Proceedings Volume 8001, 800145 (2011) https://doi.org/10.1117/12.892186

KEYWORDS: Fiber Bragg gratings, Sensors, Visibility, Michelson interferometers, Modulation, Interferometry, Optical fibers, Signal detection, Interferometers, Fusion splicing

Read Abstract +

Proceedings Article | 18 May 2011 Paper

Cladding modes FBG curvature sensor based on a core misaligned splice

C. Jesus, P. A. Jorge, J. Baptista, O. Frazão

Proceedings Volume 7753, 77538U (2011) https://doi.org/10.1117/12.886029

KEYWORDS: Fiber Bragg gratings, Cladding, Sensors, Head, Temperature metrology, Fiber optics sensors, Single mode fibers, Fiber optics, Reflectivity, Photodetectors

Read Abstract +

Proceedings Article | 17 May 2011 Paper

Interferometric system controlled by virtual instrumentation for differential thermal analysis

L. Gonçalves, G. González-Aguilar, J. Baptista, P. A. Jorge

Proceedings Volume 7753, 77531U (2011) https://doi.org/10.1117/12.886019

KEYWORDS: Fiber Bragg gratings, Thermal analysis, Interferometry, Temperature metrology, Control systems, Sensors, Signal processing, LabVIEW, Interferometers, Optical fibers

Read Abstract +