Bulletin of the American Physical Society
63rd Annual Meeting of the APS Division of Plasma Physics
Volume 66, Number 13
Monday–Friday, November 8–12, 2021; Pittsburgh, PA
Session NP11: Poster Session V:
HED
ICF
MFE- Turbulence & Transport
9:30 AM - 12:30 PM
Wednesday, November 10, 2021
Room: Hall A
Abstract: NP11.00037 : Targets and plasma diagnostics experimental systems at the Laser MegaJoule (LMJ)
Presenter:
Tony CAILLAUD
Authors:
Tony CAILLAUD
Michel Ferri
(CEA, DAM, CESTA)
Serge Debesset
(CEA, CESTA, F-33116 Le Barp, France)
Véronique Prevot
(CEA, CESTA, F-33116 Le Barp, France)
Romain Diaz
(CEA, CESTA, F-33116 Le Barp, France)
Laurent Le Deroff
(CEA, CESTA, F-33116 Le Barp, France)
Remi Du Jeu
(CEA, CESTA, F-33116 Le Barp, France)
Michel Martin
(CEA, CESTA, F-33116 Le Barp, France)
Cyril Lesaffre
(CEA, CESTA, F-33116 Le Barp, France)
Damien Antigny
(CEA, CESTA, F-33116 Le Barp, France)
Louis De Laval
(CEA, CESTA, F-33116 Le Barp, France)
Benjamin Fourton
(CEA, CESTA, F-33116 Le Barp, France)
The Laser MégaJoule (LMJ) is now operating with 10 laser chains i.e. 80 beams (300 kJ at 351 nm) that can be focused on targets for experiments. The LMJ operational capability will increase again gradually during the following years to reach the 1.5 MJ with 176 beams. At the same time, targets size and complexity is increasing. Now, a large set of diagnostic (more than 15) are now implemented around the target such as x-ray imagers, x-ray spectrometers, a VISAR, a Full Aperture BackScattering (FABS) diagnostic, a Near Backscattered Imager (NBI), charged particle diagnostics, and a nuclear diagnostic set to study laser interaction on targets. We will present the development state for the facility conducted at CEA for experimental purpose. We will describe targets alignment and assembly methods as the facility setup and performances. Targets and plasma diagnostics designs have been conducted taking into account the harsh environment (neutron yields, gamma rays, electromagnetic perturbations, debris and shrapnel) and the operational procedures.
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