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About

G. Maddaluno is a leading researcher in nuclear fusion diagnostics, specializing in Laser-Induced Breakdown Spectroscopy (LIBS) for in-vessel analysis of tokamak plasma-facing components. Their major contributions center on developing remote LIBS systems to measure hydrogen isotope retention—particularly deuterium as a proxy for radioactive tritium—on molybdenum and tungsten surfaces inside fusion reactors like FTU (Frascati Tokamak Upgrade). Maddaluno’s pioneering work includes integrating LIBS with robotic arms for autonomous, real-time surface characterization during machine operations, a critical safety and efficiency advancement for future fusion devices like ITER. Their most cited paper (49 citations, 2020) demonstrates LIBS measurements inside an FTU vessel mock-up using a robotic arm, while another highly cited work (40 citations, 2019) successfully detected deuterium retained on FTU’s toroidal limiter from a remote distance of ~2.5 meters. These studies, alongside accessory laboratory calibrations (13 citations, 2021), establish robust quantification methods for hydrogen isotopes. With over 130 total citations, Maddaluno’s research directly addresses the challenge of tritium inventory control, a key hurdle for sustainable fusion energy. Their achievements highlight a practical, engineering-focused approach to plasma-wall interaction diagnostics, making them a vital contributor to the international fusion community.