(Color online) Experimental setup.
(Color online) Parts of emission spectrum of the plasma including the three chosen lines for the study of the plasma propagation, Al II 281.6, Ar I 696.5 nm, and Ar II 437.1 nm lines.
(Color online) Line-of-sight integrated normalized emission intensity as function of the axial distance for the element evaporated from the target (aluminum) and the background gas (argon) for different detection delays and the two ablation laser wavelengths. (a) Al II line at 281.6 nm; (b) Ar I line at 696.5 nm and Ar II line at 437.1 nm for the case of IR ablation.
(Color online) Normalized transverse line-of-sight integrated intensity profiles and corresponding emissivities obtained with the Abel inversion at the different delays. (a) Aluminum for UV ablation; (b) aluminum for IR ablation; (c) argon for UV ablation; (d) argon for IR ablation.
(Color online) Axial profiles of electron density (a) and temperature (b) for UV and IR ablations.
(Color online) Radial profiles of electron temperature for UV (a) and IR (b) ablations at a distance of z = 0.5 mm for UV and z = 0.8 mm for IR from the target surface.
(Color online) Normalized radical element number density profiles of Al and Ar for UV (a) and IR (b) ablations at a distance z = 0.5 mm for UV ablation and z = 0.8 mm for IR ablation from the target surface.
Aspect ratio between axial and transverse expansions of aluminum plasma for UV and IR ablations.
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