Effect of the spot size on ionization and degree of plasma shielding in plumes induced by irradiation of a copper target by multiple short laser pulses

The plasma plume expansion into argon background gas at atmospheric pressure induced by irradiation of a copper target with a burst of three short laser pulses at 266 nm wavelength is studied numerically for the laser spot diameters ranging from 20 μm to 500 µm. The computational model includes a th...

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Veröffentlicht in:	Applied physics. A, Materials science & processing Materials science & processing, 2020-05, Vol.126 (5), Article 355
Hauptverfasser:	Ranjbar, Omid A., Lin, Zhibin, Volkov, Alexey N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Applied physics Argon Characterization and Evaluation of Materials Computer simulation Condensed Matter Physics Copper Current State-Of-The-Art in Laser Ablation Direct simulation Monte Carlo method Ionization Irradiation Laser ablation Lasers Machines Manufacturing Materials science Micrometers Nanotechnology Optical and Electronic Materials Physics Physics and Astronomy Plasma Plumes Processes Radiation shielding S.I. : Current State-Of-The-Art in Laser Ablation Shock waves Surfaces and Interfaces Thermal analysis Thin Films
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