Résumé
By focusing an intense femtosecond, high temporal contrast, laser on ultra-thin foils (100 nm) in the 1018W/cm2 intensities range, we demonstrate that we create instantaneously a hot solid-density plasma. The use of high-order harmonics generated in a gas jet, providing a probe beam of sufficiently short wavelengths to penetrate in such media, enables to study the dynamics of this plasma on the picosecond time-scale. The comparison of the transmission of two successive harmonics permits to determine the electronic density and the temperature with an accuracy better than 15% never achieved up to date in relativistic regimes.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 597504 |
| journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5975 |
| Les DOIs | |
| état | Publié - 1 janv. 2005 |
| Evénement | Topical Problems of Nonlinear Wave Physics - St.Petersburg, Russie Durée: 2 août 2005 → 9 août 2005 |
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