Ablation pressure scaling at short laser wavelength

Ablation pressure scaling at short laser wavelength

The ablation pressure at a 0.44-microm laser wavelength has been measured at irradiance up to 2 x 10(14) W/cm(2). The diagnostics consisted in the detection of shock breakout from stepped Al targets. By adopting large focal spots and smoothed laser beams, the lateral energy transport and "drill...

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Veröffentlicht in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2003-12, Vol.68 (6 Pt 2), p.067403-067403
Hauptverfasser: Batani, D, Stabile, H, Ravasio, A, Lucchini, G, Strati, F, Desai, T, Ullschmied, J, Krousky, E, Skala, J, Juha, L, Kralikova, B, Pfeifer, M, Kadlec, Ch, Mocek, T, Präg, A, Nishimura, H, Ochi, Y
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Sprache:eng
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Zusammenfassung:The ablation pressure at a 0.44-microm laser wavelength has been measured at irradiance up to 2 x 10(14) W/cm(2). The diagnostics consisted in the detection of shock breakout from stepped Al targets. By adopting large focal spots and smoothed laser beams, the lateral energy transport and "drilling effects" have been avoided. The measured scaling shows a fair agreement with analytical models.
ISSN:1539-3755
DOI:10.1103/PhysRevE.68.067403