Plasma diagnostics using high-order-harmonics generation

Ph. Martin; G. Doumy; M. Servol; M. Bougeard; H. Stabile; S. Dobosz; P. Monot; F. Quéré; F. Réau; P. d'Oliveira; H. Lagadec; T. Ceccotti; P. Audebert; J. P. Geindre; S. Hüller

doi:10.1117/12.675472

3 February 2006 Plasma diagnostics using high-order-harmonics generation

Ph. Martin, G. Doumy, M. Servol, M. Bougeard, H. Stabile, S. Dobosz, P. Monot, F. Quéré, F. Réau, P. d'Oliveira, H. Lagadec, T. Ceccotti, P. Audebert, J. P. Geindre, S. Hüller

Author Affiliations +

Proceedings Volume 5975, Topical Problems of Nonlinear Wave Physics; 597504 (2006) https://doi.org/10.1117/12.675472
Event: Topical Problems of Nonlinear Wave Physics, 2005, St. Petersburg, Russian Federation

Abstract

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 highorder 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.

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Ph. Martin, G. Doumy, M. Servol, M. Bougeard, H. Stabile, S. Dobosz, P. Monot, F. Quéré, F. Réau, P. d'Oliveira, H. Lagadec, T. Ceccotti, P. Audebert, J. P. Geindre, and S. Hüller "Plasma diagnostics using high-order-harmonics generation", Proc. SPIE 5975, Topical Problems of Nonlinear Wave Physics, 597504 (3 February 2006); https://doi.org/10.1117/12.675472

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