Performance of High-Convergence, Layered DT Implosions with Extended-Duration Pulses at the National Ignition Facility

Smalyuk, V. A.; Atherton, L. J.; Benedetti, L. R.; Bionta, R.; Bleuel, D.; Bond, E.; Bradley, D. K.; Caggiano, J.; Callahan, D. A.; Casey, D. T.; Celliers, P. M.; Cerjan, C. J.; Clark, D.; Dewald, E. L.; Dixit, S. N.; Döppner, T.; Edgell, D. H.; Edwards, M. J.; Frenje, J.; Gatu-Johnson, M.; Glebov, V. Y.; Glenn, S.; Glenzer, S. H.; Grim, G.; Haan, S. W.; Hammel, B. A.; Hartouni, E. P.; Hatarik, R.; Hatchett, S.; Hicks, D. G.; Hsing, W. W.; Izumi, N.; Jones, O. S.; Key, M. H.; Khan, S. F.; Kilkenny, J. D.; Kline, J. L.; Knauer, J.; Kyrala, G. A.; Landen, O. L.; Le Pape, S.; Lindl, J. D.; Ma, T.; MacGowan, B. J.; Mackinnon, A. J.; MacPhee, A. G.; McNaney, J.; Meezan, N. B.; Moody, J. D.; Moore, A.; Moran, M.; Moses, E. I.; Pak, A.; Parham, T.; Park, H.-S.; Patel, P. K.; Petrasso, R.; Ralph, J. E.; Regan, S. P.; Remington, B. A.; Robey, H. F.; Ross, J. S.; Spears, B. K.; Springer, P. T.; Suter, L. J.; Tommasini, R.; Town, R. P.; Weber, S. V.; Widmann, K.

Author(s)

Gatu Johnson, Maria; Petrasso, Richard D.; Frenje, Johan A.

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Abstract

Radiation-driven, low-adiabat, cryogenic DT layered plastic capsule implosions were carried out on the National Ignition Facility (NIF) to study the sensitivity of performance to peak power and drive duration. An implosion with extended drive and at reduced peak power of 350 TW achieved the highest compression with fuel areal density of ~1.3 ± 0.1 g/cm[superscript 2], representing a significant step from previously measured ~1.0 g/cm[superscript 2] toward a goal of 1.5 g/cm[superscript 2]. Future experiments will focus on understanding and mitigating hydrodynamic instabilities and mix, and improving symmetry required to reach the threshold for thermonuclear ignition on NIF.

Date issued

2013-11

URI

http://hdl.handle.net/1721.1/84979

Department

Massachusetts Institute of Technology. Plasma Science and Fusion Center

Journal

Physical Review Letters

Publisher

American Physical Society

Citation

Smalyuk, V. A., L. J. Atherton, L. R. Benedetti, R. Bionta, D. Bleuel, E. Bond, D. K. Bradley, et al. “Performance of High-Convergence, Layered DT Implosions with Extended-Duration Pulses at the National Ignition Facility.” Physical Review Letters 111, no. 21 (November 2013). © 2013 American Physical Society

Version: Final published version

ISSN

0031-9007

1079-7114

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