Dr. Ivan Chapalo is a postdoctoral researcher at IESL-FORTH, Greece. Previously, he conducted his postdoctoral research at the Electromagnetism and Telecommunication Department, University of Mons, Belgium (2020-2023), and at the Radiophysics Department, Peter the Great St. Petersburg Polytechnic University, Russia (2017-2020). He received a Ph.D. degree in physics from Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia, in 2017. He is a co-author of over 30 publications, and he is a winner of a number of grants and scholarships. His professional and research interests include fiber optic sensors, multimode optical fibers and sensors, fiber Bragg gratings, polymer optical fibers, and LabVIEW programming and automation.