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At CAP we perform R&D in applied photonics, principally focusing on optical fibre technology.

We are oriented towards applied research and development in optical fibre sources, optical fibre communication, optical fibre sensors and microfabrication (thin films and integrated optics).

Our group is always looking for opportunities for technology transfer to industrial companies using its specific competencies in optoelectronics and systems integration.

Latest News
Networked Intelligent Systems

Researcher from INESC TEC receives award in the optical fibre sensors area

The work presented by Diana Guimarães, researcher of INESC TEC’s Centre for Applied Photonics (CAP) was distinguished at the 26th International Conference on Optical Fibre Sensors (OFS-26), which took place in Lausanne, Switzerland between 24 and 28 September.

09th November 2018

Networked Intelligent Systems

Research at INESC TEC wins SPOF Award

The researcher Ana Rita Ribeiro received the SPOF Award for the work developed as an integral element of INESC TEC’s Centre for Applied Photonics (CAP), which was completed on 7 July 2017.

17th October 2018

INESC TEC’s researchers win the 2018 Global Peer Review Award

This year, Publons, a free website for academics to validate their editorial contributions, honoured over 6000 specialists such as world-class reviewers and editors at the Global Peer Review Awards.

11th October 2018

Networked Intelligent Systems

INESC TEC and Portuguese Navy reinforce strategic commitment

INESC TEC welcomed a delegation of the Navy Military Staff in July. More than just presenting the institution, the meeting allowed the Navy’s leaders to contact directly with some of the most recent projects developed in the sea area (and beyond).

25th September 2018

Networked Intelligent Systems

Team from INESC TEC receives distinction at the National Conference on Physics

The work of Diana Guimarães and Miguel Ferreira, researchers of INESC TEC’s Centre for Applied Photonics (CAP), was distinguished by the Portuguese Society of Physics at the 21st National Conference on Physics (Física2018), which took place between 29 August and 1 September of 2018 at the University of Beira Interior, Covilhã.

17th September 2018

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Interest Topics
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Featured Projects

TEC4SEA

Modular Platform for Research, Test and Validation of Technologies supporting a Sustainable Blue Economy

2017-2020

AGRINUPES

Integrated monitoring and control of water, nutrients and plant protection products towards a sustainable agricultural sector

2017-2020

CORAL-TOOLS

CORAL – Sustainable Ocean Exploitation: Tools and Sensors

2016-2018

Team
004

Laboratories

Laboratory of Microfabrication

Imaging Laboratory

Laboratory of Sensors

Chemistry Sensors Laboratory

Publications

CAP Publications

View all Publications

2018

Temperature Compensated Strain Sensor Based on Long Period Gratings and Microspheres

Authors
Ascorbe, J; Coelho, L; Santos, JL; Frazao, O; Corres, JM;

Publication
IEEE Photonics Technology Letters

Abstract

2018

Quantification of Ethanol Concentration in Gasoline Using Cuprous Oxide Coated Long Period Fiber Gratings

Authors
Monteiro Silva, F; Santos, JL; Marques Martins de Almeida, JMMM; Coelho, L;

Publication
IEEE Sensors Journal

Abstract

2018

Real-time Early Warning Strategies for Corrosion Mitigation in Harsh Environments

Authors
Costa Coelho, LCC; Soares dos Santos, PSS; da Silva Jorge, PAD; Santos, JL; Marques Martins de Almeida, JMMM;

Publication
Journal of Lightwave Technology

Abstract
Long period fiber gratings (LPFGs) were coated with iron (Fe) and exposed to oxidation in air and in water having different concentrations of sodium chloride (NaCl) to detect the formation of iron oxides and hydroxides. The process was monitored in real time by measuring the characteristics of the LPFGs attenuation bands. Thin films of Fe were deposited on top of silica (SiO2) substrates, annealed in air, and exposed to water with NaCl. The composition of the oxide and hydroxide layers were analyzed by SEM/EDS and XRD. It was observed the formation of oxide phases, Fe3O4 (magnetite) and Fe2O3 (hematite) when annealing in air, and Fe2(OH)3Cl (hibbingite) and FeO(OH) (lepidocrocite) when exposed to water with NaCl. Results shows that Fe coated LPFGs can be used as sensors for real time monitoring of corrosion in offshore and in coastal projects where metal structures made of iron alloys are in contact with sea or brackish water. In addition, LPFGs coated with hematite were characterized for sensing, leading to the conclusion that the sensitivity to the refractive index of the surrounding medium can be tuned by proper choice of hematite thickness. IEEE

2018

Optical Fiber Tips for Biological Applications: from Light Confinement, Biosensing to Bioparticles Manipulation

Authors
Paiva, JS; Jorge, PAS; Rosa, CC; Cunha, JPS;

Publication
Biochimica et Biophysica Acta (BBA) - General Subjects

Abstract

2018

The last frontier: Coupling technological developments with scientific challenges to improve hazard assessment of deep-sea mining

Authors
Santos, MM; Jorge, PAS; Coimbra, J; Vale, C; Caetano, M; Bastos, L; Iglesias, I; Guimarães, L; Reis Henriques, MA; Teles, LO; Vieira, MN; Raimundo, J; Pinheiro, M; Nogueira, V; Pereira, R; Neuparth, T; Ribeiro, MC; Silva, E; Castro, LFC;

Publication
Science of the Total Environment

Abstract
The growing economic interest in the exploitation of mineral resources on deep-ocean beds, including those in the vicinity of sensitive-rich habitats such as hydrothermal vents, raise a mounting concern about the damage that such actions might originate to these poorly-know ecosystems, which represent millions of years of evolution and adaptations to extreme environmental conditions. It has been suggested that mining may cause a major impact on vent ecosystems and other deep-sea areas. Yet, the scale and the nature of such impacts are unknown at present. Hence, building upon currently available scientific information it is crucial to develop new cost-effective technologies embedded into rigorous operating frameworks. The forward-thinking provided here will assist in the development of new technologies and tools to address the major challenges associated with deep sea-mining; technologies for in situ and ex situ observation and data acquisition, biogeochemical processes, hazard assessment of deep-sea mining to marine organisms and development of modeling tools in support of risk assessment scenarios. These technological developments are vital to validate a responsible and sustainable exploitation of the deep-sea mineral resources, based on the precautionary principle. © 2018 Elsevier B.V.

Supervised Theses

2017

Fabrication of opticals Ensing devices by 3D laser  micromachining

Author
Carlos Duarte Rodrigues Viveiros

Institution
UP-FCUP

2017

Development of optical biosensors for monitoring the deterioration of fresh meat and fish

Author
HELENA CATARINA ARAÚJO SOARES GUEDES VASCONCELOS

Institution
UTAD

2017

High Power Fiber Lasers and Amplifiems -Power Scaling and Performance limitations

Author
Miguel Alexandre Ramos de Melo

Institution
UP-FCUP

2017

Research project: Heterogeneous Supercomputation for Non-equilibrium Mesoscale Optics

Author
Nuno Miguel Azevedo Silva

Institution
UP-FCUP

2017

Surface plasmon resonance excitations and nonlinear phenomena in light-guiding structures based on tapered optical fibers

Author
Tiago Jorge Mendes Martins

Institution
UP-FCUP

Facts & Figures

15Proceedings in indexed conferences

2016

14Senior Researchers

2016

9Academic Staff

2016

Contacts