Experiments to explore the influence of pulse shaping at the National Ignition Facility | Zendy

Cliff Thomas | Zendy; E. M. Campbell | Zendy; K. L. Baker | Zendy; D. T. Casey | Zendy; M. Hohenberger | Zendy; A. L. Kritcher | Zendy; B. K. Spears | Zendy; S. F. Khan | Zendy; R. Nora | Zendy; D. T. Woods | Zendy; J. L. Milovich | Zendy; R. L. Berger | Zendy; D. J. Strozzi | Zendy; D. Ho | Zendy; D. S. Clark | Zendy; B. Bachmann | Zendy; L. R. Benedetti | Zendy; R. M. Bionta | Zendy; P. M. Celliers | Zendy; D. N. Fittinghoff | Zendy; G. P. Grim | Zendy; R. Hatarik | Zendy; N. Izumi | Zendy; G. A. Kyrala | Zendy; T. Ma | Zendy; M. Millot | Zendy; S. R. Nagel | Zendy; P. K. Patel | Zendy; C. B. Yeamans | Zendy; A. Nikroo | Zendy; M. Tabak | Zendy; M. Gatu Johnson | Zendy; P. L. Volegov | Zendy; S. M. Finnegan | Zendy

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Experiments to explore the influence of pulse shaping at the National Ignition Facility

Author(s) -

Cliff Thomas,

E. M. Campbell,

K. L. Baker,

D. T. Casey,

M. Hohenberger,

A. L. Kritcher,

B. K. Spears,

S. F. Khan,

R. Nora,

D. T. Woods,

J. L. Milovich,

R. L. Berger,

D. J. Strozzi,

D. Ho,

D. S. Clark,

B. Bachmann,

L. R. Benedetti,

R. M. Bionta,

P. M. Celliers,

D. N. Fittinghoff,

G. P. Grim,

R. Hatarik,

N. Izumi,

G. A. Kyrala,

T. Ma,

M. Millot,

S. R. Nagel,

P. K. Patel,

C. B. Yeamans,

A. Nikroo,

M. Tabak,

M. Gatu Johnson,

P. L. Volegov,

S. M. Finnegan

Publication year - 2020

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/5.0019193

Subject(s) - national ignition facility , physics , ignition system , pulse (music) , inertia , inertial confinement fusion , plasma , laser , area density , compressibility , mechanics , nuclear engineering , yield (engineering) , aerospace engineering , statistical physics , computational physics , optics , nuclear physics , classical mechanics , thermodynamics , detector , engineering

The shaping of the drive pulse in time is a key tool in the design of fusion experiments that use inertia to confine burning plasmas. It is directly related to the adiabat and compressibility of the DT fuel and the characteristics of the laser and target that are needed to ignite. With this in mind, we have performed experiments at the National Ignition Facility that test small changes in the shape of the pulse. In contrast to theory, we find implosions at lower adiabats can have reduced yield and areal density. We discuss implications to performance and the mechanism(s) that could be responsible.

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