Time-of-flight distribution analysis of laser ablation plasmas of aluminum targets

Salvatore Amoruso; Vincenzo Berardi; Riccardo Bruzzese

doi:10.1117/12.271676

4 April 1997 Time-of-flight distribution analysis of laser ablation plasmas of aluminum targets

Salvatore Amoruso, Vincenzo Berardi, Riccardo Bruzzese

Proceedings Volume 3093, Nonresonant Laser-Matter Interaction (NLMI-9); (1997) https://doi.org/10.1117/12.271676
Event: Nonresonant Laser-Matter Interaction, 1996, St. Petersburg, Russian Federation

Abstract

In this work we report on a study of the plasma produced in laser ablation of aluminum targets by visible (532 nm) and UV (355 nm) radiation. In particular, we have obtained ion energy distributions through time-of-flight measurements in the laser ablation plasma at different laser fluences (3 - 60 Jcm^-2). The experimental TOF distributions of ions were fitted quite well by theoretical Maxwell-Boltzmann distributions superimposed onto a common center-of-mass flow velocity. By these fits ion plasma temperature and flow velocity were inferred. We also studied the ion yield at different laser fluences, observing a saturation behavior above a specific incident laser fluence.

Citation Download Citation

Salvatore Amoruso, Vincenzo Berardi, and Riccardo Bruzzese "Time-of-flight distribution analysis of laser ablation plasmas of aluminum targets", Proc. SPIE 3093, Nonresonant Laser-Matter Interaction (NLMI-9), (4 April 1997); https://doi.org/10.1117/12.271676

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