Laser induced plasma characterization in direct and water confined regimes: new advances in experimental studies and numerical modelling

0538186 - FZÚ 2021 RIV GB eng J - Journal Article
Scius-Bertrand, M. - Videau, L. - Rondepierre, A. - Lescoute, E. - Rouchausse, Y. - Kaufman, Jan - Rostohar, Danijela - Brajer, Jan - Berthe, L.
Laser induced plasma characterization in direct and water confined regimes: new advances in experimental studies and numerical modelling.
Journal of Physics D-Applied Physics. Roč. 54, č. 5 (2021), s. 1-14, č. článku 055204. ISSN 0022-3727. E-ISSN 1361-6463
R&D Projects: GA MŠMT EF15_006/0000674; GA MŠMT LO1602; GA MŠMT LM2015086
EU Projects: European Commission(XE) 739573 - HiLASE CoE
Grant - others:OP VVV - HiLASE-CoE(XE) CZ.02.1.01/0.0/0.0/15_006/0000674
Institutional support: RVO:68378271
Keywords : laser shock * LSP * LASAT * laser-matter interaction * WCR * VISAR * plasma
OECD category: Optics (including laser optics and quantum optics)
Impact factor: 3.409, year: 2021
Method of publishing: Open access

Optimization of the laser shock peening (LSP) and LASer Adhesion Test (LASAT) processes requires control of the laser-induced target’s loading. Improvements to optical and laser technologies allow plasma characterization to be performed with greater precision than 20 years ago. Consequently, the processes involved during laser–matter interactions can be better understood. For the purposes of this paper, a self-consistent model of plasma pressure versus time is required. The current approach is called the inverse method, since it is adjusted until the simulated free surface velocity (FSV) corresponds to the experimental velocity. Thus, it is not possible to predict the behavior of the target under shock without having done the experiments. For the first time, experimental data collected in different labs with the most up-to-date laser parameters are used to validate a self-consistent model for temporal pressure-profile calculation.
Permanent Link: http://hdl.handle.net/11104/0316008