X-ray Spectroscopic Observations of a Superdense Plasma in Nanoparticles Irradiated by Superintense Femtosecond Laser Radiation.

Authors :: Faenov, A. Ya.
Pikuz, T. A.
Skobelev, I. Yu.
Magunov, A. I.
Efremov, V. P.
Servol, M.
Quéré, F.
Bougeard, M.
Monot, P.
Martin, Ph.
Francucci, M.
Petrocelli, G.
Audebert, P.
Source :: JETP Letters. 12/25/2004, Vol. 80 Issue 12, p730-733. 4p.
Publication Year :: 2004
Abstract: The interaction of femtosecond laser pulses with SiO2 aerogel targets has been analyzed by x-ray spectroscopic methods. The use of an aerogel target with transparent grains makes it possible to considerably reduce the requirements on laser-pulse contrasts for which heating occurs without the formation of a preplasma. A nanoplasma with a density sevenfold higher than the solid-state density has been detected. © 2004 MAIK “Nauka/Interperiodica”. [ABSTRACT FROM AUTHOR]

Subjects :: *X-ray spectroscopy
*PLASMA gases
*AEROGELS
*COLLOIDS
*NANOPARTICLES
*LASER beams
*LASER photochemistry

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