| Issue |
EPJ Web of Conferences
Volume 59, 2013
IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|
|
|---|---|---|
| Article Number | 03004 | |
| Number of page(s) | 4 | |
| Section | III. Alternative Target Physics (Impact, Shock, Fast Ignition, ...) | |
| DOI | https://doi.org/10.1051/epjconf/20135903004 | |
| Published online | 15 November 2013 | |
https://doi.org/10.1051/epjconf/20135903004
Systematic analysis of direct-drive baseline designs for shock ignition with the Laser MégaJoule
1 CEA, DAM, DIF, 91297 Arpajon, France
2 ETSIA, Universidad Politécnica de Masdrid, Spain
a e-mail: benoit.canaud@cea.fr
Published online: 15 November 2013
We present direct-drive target design studies for the laser mégajoule using two distinct initial aspect ratios (A = 34 and A = 5). Laser pulse shapes are optimized by a random walk method and drive power variations are used to cover a wide variety of implosion velocities between 260 km/s and 365 km/s. For selected implosion velocities and for each initial aspect ratio, scaled-target families are built in order to find self-ignition threshold. High-gain shock ignition is also investigated in the context of Laser MégaJoule for marginally igniting targets below their own self-ignition threshold.
© Owned by the authors, published by EDP Sciences, 2013
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