Laser-plasma energy transport with high-intensity short laser pulses

Gregory J. Tallents; Michael H. Key; Peter A. Norreys; N. Tragin; Hector A. Baldis; J. Dunn; D. Brown

doi:10.1117/12.18667

1 May 1990 Laser-plasma energy transport with high-intensity short laser pulses

Gregory J. Tallents, Michael H. Key, Peter A. Norreys, N. Tragin, Hector A. Baldis, J. Dunn, D. Brown

Proceedings Volume 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications; (1990) https://doi.org/10.1117/12.18667
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

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.

Citation Download Citation

Gregory J. Tallents, Michael H. Key, Peter A. Norreys, N. Tragin, Hector A. Baldis, J. Dunn, and D. Brown "Laser-plasma energy transport with high-intensity short laser pulses", Proc. SPIE 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications, (1 May 1990); https://doi.org/10.1117/12.18667

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