Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive
DownloadPhysRevLett.115.105001.pdf (398.2Kb)
PUBLISHER_POLICY
Publisher Policy
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Terms of use
Metadata
Show full item recordAbstract
Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National Ignition Facility (NIF). Here, we show the first experimental demonstration that a strong unsupported first shock in indirect drive implosions at the NIF reduces ablation front instability growth leading to a 3 to 10 times higher yield with fuel ρR > 1 g/cm[superscript 2]. This work shows the importance of ablation front instability growth during the National Ignition Campaign and may provide a path to improved performance at the high compression necessary for ignition.
Date issued
2015-09Department
Massachusetts Institute of Technology. Plasma Science and Fusion CenterJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Casey, D. T., J. L. Milovich, V. A. Smalyuk, D. S. Clark, H. F. Robey, A. Pak, A. G. MacPhee, et al. “Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility Using a Four-Shock Adiabat Shaped Drive.” Physical Review Letters 115, no. 10 (September 1, 2015). © 2015 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114