Enhanced ionization of W ions at a plasma-vacuum boundary in femtosecond laser plasma at moderate intensities

A. B. Savel'ev; V. M. Gordienko; I. M. Lachko; A. A. Rusanov; D. S. Uryupina; R. V. Volkov

doi:10.1117/12.675475

3 February 2006 Enhanced ionization of W ions at a plasma-vacuum boundary in femtosecond laser plasma at moderate intensities

A. B. Savel'ev, V. M. Gordienko, I. M. Lachko, A. A. Rusanov, D. S. Uryupina, R. V. Volkov

Author Affiliations +

Proceedings Volume 5975, Topical Problems of Nonlinear Wave Physics; 597506 (2006) https://doi.org/10.1117/12.675475
Event: Topical Problems of Nonlinear Wave Physics, 2005, St. Petersburg, Russian Federation

Abstract

Experimental and numerical investigations of femtosecond laser plasma at the cleaned surface of W target are carried out. The constructed picture of ionization, acceleration and recombination of ions in plasma well explains main features of atomic, charge and energy spectra of fast and slow ions. It was shown that experimentally measured maximum charge of W ions exceed charge predicted by impact ionization and can be reached due to ambipolar field ionization.

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A. B. Savel'ev, V. M. Gordienko, I. M. Lachko, A. A. Rusanov, D. S. Uryupina, and R. V. Volkov "Enhanced ionization of W ions at a plasma-vacuum boundary in femtosecond laser plasma at moderate intensities", Proc. SPIE 5975, Topical Problems of Nonlinear Wave Physics, 597506 (3 February 2006); https://doi.org/10.1117/12.675475

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