Proceedings of the

The 33rd European Safety and Reliability Conference (ESREL 2023)
3 – 8 September 2023, Southampton, UK

Thermal Influence on Plastic Optical Fibers: A Reliability Study

Thales Henrique Castro de Barros1,a, Henrique Patriota Alves2, Joaquim Ferreira Martins-Filho1,b and Márcio José das Chagas Moura1,c

1Department of Electronics and Systems, Federal University of Pernambuco, Brazil.

2Academic Unit of Belo Jardim, Federal Rural University of Pernambuco, Brazil.


In the last years, the phenomenon called Fourth Industrial Revolution has promoted an intense digitalization of data and the automation of several processes in real-time, bringing concepts such as the internet of things, smart cities and cloud computing. From this scenario, optical fibers have become key elements as optical sensors or, mainly, composing optical networks due to the possibility of transmitting data in high frequency over long distances without big losses. In the specific case of optical fiber sensors, other important points also have contributed to their popularization. In the face of this increase in interest in optical fiber devices, this work presents a reliability analysis from a brief study of how thermal effects may affect the operation of devices based on POFs and also aims to identify failure modes after performing accelerated life tests. This study was subdivided into two different steps: firstly, the behavior of the optical power level was measured during all heating processes and, after this first step, also performed analyses using microscopy to locate possible mechanical changes in POFs structures.

Keywords: Plastic optical fiber, Accelerated life testing, Fault diagnosis, Prognostic health management, Reliability engineering.

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