João Pedro Reis Preizal

João Preizal

Academic position:	PhD Student
Joining date:	01-01-2020
Roles in IT:	PhD Student
Thematic Line:	Optics and Photonics
Group:	Optical Sensors and Integrated Photonics - Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900

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Scientific Achievements

Thesis Information

Development of new smart technologies with optical fibers, Universidade de Aveiro, PhD Student, João Pedro Reis Preizal, Supervisor: R. Oliveira, out-2023 - out-2027

Academic Activities

3Supervision of MSc theses

As Co-supervisor

Bridging multicore to single-core optical fibres through two-photon polymerisation 3D printing, MSc Student, João Afonço Lopes, Expected conclusion 08-2026
Two-Photon Direct laser writing of optical components at the tip of optical fibers for sensing applications, MSc Student, Catarina do Carmo Dias Custódio, Expected conclusion 07-2026
Temperature induced long period gratings for spectral active filtering, MSc Student, Fábio Manuel Gomes Dias, Concluded 10-2025

Publications

1Books Chapters

J. Preizal, R. Oliveira, A New Twist on Microstructured Polymer Optical Fibers, Chapter in, Advances in Optics, Sergey Y. Yurish, IFSA Publishing, Barcelona, 2024

2Papers in Journals

C. Ramos, J. Preizal, X. Hu, C. Caucheteur, G. Woyessa, O. Bang, Ana M. Rocha, R. Oliveira, High resolution liquid level sensor based on Archimedes’ law of buoyancy using polymer optical fiber Bragg gratings, Measurement, Vol. 252, No., pp. 117368 - 117368, 2025,
| Abstract | BibTex
J. Preizal, L. Bilro, R.N. Nogueira, R. Oliveira, Helically twisted microstructured polymer optical fiber and its application as a torsion and strain sensor, Journal of Lightwave Technology, Vol. 42, No. 2, pp. 929 - 935, January, 2024,
| Abstract | Full text (PDF 5 MBs) | BibTex

7Papers in Conferences

J. Preizal, M. Cosme, M P Pota, P. Caldas, FMAraujo M. Araújo, R. Oliveira, R.N. Nogueira, G. M. R. Rego, Normalized temperature sensitivity of fiber Bragg gratings inscribed under different conditions, International Conference on Optical Fiber Sensors OFS, Porto, Portugal, Vol. 13639, pp. 136399G -, May, 2025,
| Abstract | BibTex
J. Preizal, R. Oliveira, Double-helix-shaped optical fibers as a route for high-torsion sensing, International Conference on Optical Fiber Sensors OFS, Porto, Portugal, Vol. 13639, pp. 1363993 -, May, 2025,
| Abstract | BibTex
J. Preizal, R. Oliveira, Wrapping optical fibers in a helical shape and exploring its sensing opportunities through fiber Bragg grating and multimode interferometer, International Conference on Application of Optics and Photonics AOP2024, Aveiro, Portugal, July, 2024,
| Abstract | Full text (PDF 113 KBs) | BibTex
N. Valente, J. Preizal, L. Bilro, F. F. Figueira, R. Oliveira, Corrugated long-period grating for strain, displacement and temperature sensor applications, SPIE Photonics Europe, Strasbourg, France, Vol. 13001-21, pp. -, April, 2024,
| Abstract | BibTex
J. Preizal, N. Valente, L. Bilro, R.N. Nogueira, R. Oliveira, Torsion and strain sensing through a helically twisted microstructured polymer optical fiber, IEEE International Instrumentation and Technology Conf. - I2MTC, Glasgow, United Kingdom, March, 2024,
| Abstract | BibTex
J. Preizal, L. Bilro, R. Oliveira, Adding twist to polymer optical fibers, IFSA Publishing International Conference on Optics, Photonics and Lasers OPAL, Funchal, Portugal, May, 2023,
| Abstract | BibTex
J. Preizal, L. Bilro, R. Oliveira, Low-cost interrogation system for dynamic sensor applications using a resin based fiber Fabry Perot filter, Electro-Optic Society (EOS) EOS Annual Meeting EOSAM, Rome, Italy, Vol. 255, pp. -, September, 2021,
| Abstract | BibTex

Projects

Currently running projects1

Acronym	Name	Funding Agency	Start date	Ending date
SDM - TelSens	Space Division Multiplexing based Multicore Fiber Optic Grating Technology for Next Generation Optical Networks and Smart Upper Limb Rehabilitation Sensorsntes para reabilitação do membro superior	COMPETE2030-FEDER	01-07-2025	30-06-2028

Closed Projects2

Acronym	Name	Funding Agency	Start date	Ending date
AM-OPTICAL	Additive Manufacturing for the next generation of freeform optical components	FCT	01-01-2022	30-09-2025
FOPE-ComSens	Helically Twisted Polymer Optical Fibres for High Capacity Short Range Communications and Wearable Flexible Smart Sensors	FCT	29-03-2021	28-12-2024

Related UN SDG

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):

IT Member Profile

João Preizal

Scientific Achievements

As Co-supervisor

Currently running projects1

Closed Projects2