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11 April 2024 Numerical and experimental laser-induced pressure analysis for both confined and direct configurations
Laurent Videau, Emilien Lescoute, Yann Rouchausse, Marine Scius-Bertrand, Laurent Berthe
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Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC129390W (2024) https://doi.org/10.1117/12.3014651
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States
Abstract
we present a numerical and experimental study on the characterization of the temporal ablation pressure due to a laser with and without a confinement layer on aluminum target. Based on velocimetry measurements, we have built a large experimental data of laser configurations varying the pulse duration, the energy and the wavelength. Then we are able to reproduce the results with a single numerical model using the lagrangian 1D ESTHER hydrocode in both regimes. Finally we use the code to propose analytical laws for temporal ablation pressure in a large interaction domain for aluminum targets.
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Laurent Videau, Emilien Lescoute, Yann Rouchausse, Marine Scius-Bertrand, and Laurent Berthe "Numerical and experimental laser-induced pressure analysis for both confined and direct configurations", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC129390W (11 April 2024); https://doi.org/10.1117/12.3014651
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KEYWORDS
Pulsed laser operation
Laser-matter interactions
Laser applications
Laser development
Material characterization
Materials properties
Physical phenomena
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