?On line-on target? temporal beam diagnostic at high power and focal spot optimization of femtosecond petawatt-class lasers systems for laser-plasma interaction - Boudjema N; Lera R; Henares JL; Varela O; García-García E; Gatti G; Frías MDR; Volpe L; Pérez-Hernández JA (50th Eps Conference On Plasma Physics, Eps 2024, 2024)