Characterisation of Photocathodes Based on Pb Thin Film Deposited by UV Pulsed Laser Ablation

Gontad Francisco^1,^*, Lorusso Antonella², Gatti Giancarlo³, Ferrario Massimo³, Passione Laura Gioia^4,⁵, Persano Luana⁶, Lovergine Nicola⁵, Perrone Alessio²

Fig. 6. Dependence of the charge density on laser intensity. The linear fit of the data continuous line gives a slope of 1.1 ± 0.1, which indicates a single-photoemission process.