**Acknowledgements**

This work is funded by FCT/MEC through national funds and when applicable co-funded by FEDER – PT2020 partnership agreement under the projects, UID/ EEA/50008/2013, UID/CTM/50025/2013 and 5G-AHEAD IF/FCT- IF/01393/2015/ CP1310/CT0002. Nélia Alberto acknowledges PREDICT (FCT-IT-LA) scientific action; Cátia Tavares acknowledges her PhD grant PD/BD/142787/2018. The financial support from FCT through the fellowships SFRH/BPD/101372/2014 (M. Fátima Domingues) and SFRH/BPD/109458/2015 (Carlos Marques) is also acknowledged.

*Applications of Optical Fibers for Sensing*
