We report on prompt emission of fast electrons occurring during xenon-fluoride (351 nm) laser ablation of aluminum targets in the nanosecond regime. We have measured both the kinetic energy distribution and the energy-integrated time-of-flight distribution of these electrons. Experimental data evidence that the energetic electrons are produced during the laser pulse as a consequence of two-photon processes, and that space-charge effects influence the photoemitted electron kinetic energy, leading to prompt electrons kinetic energy distributions extending up to approximate to 15 eV. (C) 1999 American Institute of Physics. [S0003-6951(99)02927-7].
Emission of prompt electrons during excimer laser ablation of aluminum targets / Amoruso, Salvatore; M., Armenante; Bruzzese, Riccardo; Spinelli, Nicola; Velotta, Raffaele; X. W. a. n., G.. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 75:1(1999), pp. 7-9. [10.1063/1.124259]
Emission of prompt electrons during excimer laser ablation of aluminum targets
AMORUSO, SALVATORE;BRUZZESE, RICCARDO;SPINELLI, NICOLA;VELOTTA, RAFFAELE;
1999
Abstract
We report on prompt emission of fast electrons occurring during xenon-fluoride (351 nm) laser ablation of aluminum targets in the nanosecond regime. We have measured both the kinetic energy distribution and the energy-integrated time-of-flight distribution of these electrons. Experimental data evidence that the energetic electrons are produced during the laser pulse as a consequence of two-photon processes, and that space-charge effects influence the photoemitted electron kinetic energy, leading to prompt electrons kinetic energy distributions extending up to approximate to 15 eV. (C) 1999 American Institute of Physics. [S0003-6951(99)02927-7].I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
