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Proceedings Paper

Laser-plasma energy transport with high-intensity short laser pulses
Author(s): Gregory J. Tallents; Michael H. Key; Peter A. Norreys; N. Tragin; Hector A. Baldis; J. Dunn; D. Brown
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Paper Abstract

In order to investigate the production of plasma with simultaneous high density and high degree of ionisation and to study laser-plasma energy transport, experiments have been undertaken to measure the plasma electron densities formed in a thin layer of aluminium buried below an overlay of plastic when the plastic overlay is irradiated by focussed lasers of wavelength (and pulse length).53tm (2Ops) ; .35im (2Ops) and .27 pm (5Ops) . For the .53im and .35pni wavelengths, the shorter pulse length (2Ops) results in higher time-averaged electron densities (up to 6 x 1022 cm3) than for the .27tm wavelength experiments with 50 ps pulse length, but the production of hydrogen-like aluminium relative to helium-like is less with the shorter pulse-length.

Paper Details

Date Published: 1 May 1990
PDF: 6 pages
Proc. SPIE 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications, (1 May 1990); doi: 10.1117/12.18667
Show Author Affiliations
Gregory J. Tallents, Univ. of Essex (United Kingdom)
Michael H. Key, Rutherford Appleton Lab. (United States)
Peter A. Norreys, Rutherford Appleton Lab. (United Kingdom)
N. Tragin, Rutherford Appleton Lab. (United Kingdom)
Hector A. Baldis, National Research Council (United States)
J. Dunn, National Research Council (United Kingdom)
D. Brown, Univ. of London (United Kingdom)


Published in SPIE Proceedings Vol. 1229:
Femtosecond to Nanosecond High-Intensity Lasers and Applications
E. Michael Campbell, Editor(s)

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