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In this work, we present a new pulsed laser ablation technique to obtain energetic ion beams. The accelerator we made is a compact device able to extract and accelerate the ionic components of plasma up to 160 keV per charge state. It is composed by a generating chamber containing an expansion chamber used like first electrode. Next, a second electrode connected to ground and a third electrode connected to negative voltage are used. The third electrode is used also as Faraday cup. By the analysis of the ion signals we studied the plume parameters such as TOF accelerated signals, charge state, and divergence.
American Institute of Physics
Publication date: 
16 Feb 2012

L Velardi, MV Siciliano, D Delle Side, V Nassisi

Biblio References: 
Volume: 83 Issue: 2 Pages: 02B717
Review of Scientific Instruments