José Luís Santos received his graduation in Physics from University of Porto, Portugal, and Ph.D. degree from the same University, benefiting from collaboration with the University of Kent at Canterbury, UK. He is currently a Professor of Physics at the Physics and Astronomy Department of Faculty of Sciences of University of Porto, Portugal. Optical fiber sensing is the main area of his research, with focus on interferometric and wavelength encoded devices. He is author or co-author of more than 230 scientific articles and co-author of 5 patents. With Professor Faramarz Farahi of University of North Carolina was Editor of Handbook of Optical Sensors, CRC Press 2014