Direct-drive shock-ignition for the Laser MégaJoule
1 CEA, DAM, DIF, 91297 Arpajon, France
2 ETSIA, Universidad Politécnica de Madrid, Spain
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Published online: 15 November 2013
We present a review of direct-drive shock ignition studies done as an alternative for the Laser MégaJoule (LMJ). One and two dimensional systematic analyses of HiPER-like shock-ignited target designs are performed for the fuel assembly irradiation uniformity using the whole LMJ configuration or a part of the facility, and for the uniformity of the ignitor spike. High-gain shock-ignition is shown to be possible with intensity of each quad less than 1015 W/cm2 but low modes asymmetries displace the power required in the ignitor spike towards higher powers. Shock-ignition of Direct-Drive Double-Shell non-cryogenic targets is also addressed.
© Owned by the authors, published by EDP Sciences, 2013
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