3 papers
physics.plasm-ph2026
Proof of operation of a micro-hollow cathode discharge driven by a true ns-pulsed high voltage: emission properties and atomic nitrogen production
Nikolaos Chazapis, Dimitrios Stefas, Alexandra Brisset +5
The implementation of Micro-Hollow Cathode Discharges (MHCDs) for the efficient and controlled dissociation of molecular nitrogen into reactive N-atoms remains a central challenge…
physics.plasm-ph2025
Ultrafast ps--TALIF and streak camera diagnostics of atomic hydrogen in a helium microplasma jet
Dimitrios Stefas, Yanis Agha, Laurent Invernizzi +6
Picosecond two-photon absorption laser induced fluorescence (ps--TALIF) is combined with a streak camera (1 ps highest temporal resolution) to probe the effective lifetime ($…
physics.plasm-ph2024
Machine learning assisted optical diagnostics on a cylindrical atmospheric pressure surface dielectric barrier discharge
Dimitrios Stefas, Konstantinos Giotis, Laurent Invernizzi +6
The present study explores combining machine learning (ML) algorithms with standard optical diagnostics (such as time-integrated emission spectroscopy and imaging) to accurately pr…