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X-ray conversion with PHEBUS laser

Published online by Cambridge University Press:  01 July 1999

D. BABONNEAU
Affiliation:
DPTA, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
L. BONNET
Affiliation:
DPTA, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
S. JACQUEMOT
Affiliation:
DPTA, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
J.L. BOCHER
Affiliation:
DCRE, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
J.Y. BOUTIN
Affiliation:
DCRE, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
J.P. JADAUD
Affiliation:
DCRE, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France
B. VILETTE
Affiliation:
DCRE, Commissariat à l'Energie Atomique/Direction des Recherches en Ile-de-France, 91680 Bruyères le Châtel, France

Abstract

A time-resolved X-ray conversion efficiency campaign was conducted at CEA/Limeil–Valenton on the PHEBUS laser, with Au planar targets. The calibrated diagnostic DEMIXART has measured X-ray emissions driven by shaped laser pulses. The results have been analyzed with the “physicist” 1D1/2 hydrodynamical code CHIVAS, where improved transport coefficients have been implemented. The influence of the degeneracy and solid/liquid corrections on various parameters is shown. Other significant effects due to focal spot shapes and lateral conduction are quantified with the FCI2 hydroradiative code of CEA/DRIF.

Type
Research Article
Copyright
1999 Cambridge University Press

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