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Proceedings Paper

LMJ target area design and engineering physics inside the LMJ target chamber
Author(s): Daniel Schirmann; Luc Bianchi; Roger Courchinoux; Anne Fornier; Henry Patrick Jaquet; Francois Jequier; Alain Geille; Jean Claude Gomme; Thierry Lonjaret
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Paper Abstract

The LMJ target chamber is designed to withstand high fusion energy produced by 20 MJ yield shots and 600 nm yield shots per year on a large variety of targets. We show how the target chamber and its equipment have to be protected from damaging by 14 MeV neutrons, high x-ray fluences, debris and shrapnel. A first wall made of louvers is required to prevent material ablated by x-rays form reaching the debris shields and reducing their live time. Constraints on the target design is also considered to limit the sources of vaporized or ionized mass and shrapnel coming directly from the target. The use of pre-shield for large mass targets is suggested to meet the requirement on the frequency cleaning of the debris shields.

Paper Details

Date Published: 23 July 1999
PDF: 8 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354185
Show Author Affiliations
Daniel Schirmann, DAM/CEA (France)
Luc Bianchi, Ctr. d'Etudes du Ripault/CEA (France)
Roger Courchinoux, Ctr. d'Etudes d'Aquitaine/CEA (France)
Anne Fornier, Ctr. d'Etudes d'Aquitaine/CEA (France)
Henry Patrick Jaquet, DAM/CEA (France)
Francois Jequier, Ctr. d'Etudes d'Aquitaine/CEA (France)
Alain Geille, Ctr. d'Etudes d'Aquitaine/CEA (France)
Jean Claude Gomme, Ctr. d'Etudes d'Aquitaine/CEA (France)
Thierry Lonjaret, Ctr. d'Etudes d'Aquitaine/CEA (France)


Published in SPIE Proceedings Vol. 3492:
Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion
W. Howard Lowdermilk, Editor(s)

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