30 January 2013 Laser ablation of copper followed by an accelerating potential: a TOF analysis
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Proceedings Volume 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012; 86770S (2013) https://doi.org/10.1117/12.2010560
Event: XIX International Symposium on High-Power Laser Systems and Applications, 2012, Istanbul, Turkey
Abstract
It was performed a Time of Flight (TOF) study for the plume produced by laser ablation of cooper by 355 nm, 23 ns duration laser pulses, in vacuum. The plume sensor was made of a piezoelectric PVDF film associated with a pair of electrodes. By varying the electrodes polarization we evaluated the fraction of neutral atoms, which ranged from 8 to 30 % of the plume. By adjusting a TOF function to the PVDF electric signal we obtained the center of mass velocity and the translational temperature. It was observed that product vCM × Tz remains constant with the electrodes potential and that the accelerating potential to which the plume is submitted has practical limits.
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Juliana B. Matos, Juliana B. Matos, Rudimar Riva, Rudimar Riva, Nicolau A. S. Rodrigues, Nicolau A. S. Rodrigues, } "Laser ablation of copper followed by an accelerating potential: a TOF analysis", Proc. SPIE 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012, 86770S (30 January 2013); doi: 10.1117/12.2010560; https://doi.org/10.1117/12.2010560
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