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Theobald W, Solodov AA, Stoeckl C, et al. Time-resolved compression of a capsule with a cone to high density for fast-ignition laser fusion. Nat Commun. 2014;5:5785doi: 10.1038/ncomms6785.
Theobald, W., Solodov, A. A., Stoeckl, C., Anderson, K. S., Beg, F. N., Epstein, R., Fiksel, G., Giraldez, E. M., Glebov, V. Y., Habara, H., Ivancic, S., Jarrott, L. C., Marshall, F. J., McKiernan, G., McLean, H. S., Mileham, C., Nilson, P. M., Patel, P. K., Pérez, F., Sangster, T. C., Santos, J. J., Sawada, H., Shvydky, A., Stephens, R. B., & Wei, M. S. (2014). Time-resolved compression of a capsule with a cone to high density for fast-ignition laser fusion. Nature communications, 55785. https://doi.org/10.1038/ncomms6785
Theobald, W, et al. "Time-resolved compression of a capsule with a cone to high density for fast-ignition laser fusion." Nature communications vol. 5 (2014): 5785. doi: https://doi.org/10.1038/ncomms6785
Theobald W, Solodov AA, Stoeckl C, Anderson KS, Beg FN, Epstein R, Fiksel G, Giraldez EM, Glebov VY, Habara H, Ivancic S, Jarrott LC, Marshall FJ, McKiernan G, McLean HS, Mileham C, Nilson PM, Patel PK, Pérez F, Sangster TC, Santos JJ, Sawada H, Shvydky A, Stephens RB, Wei MS. Time-resolved compression of a capsule with a cone to high density for fast-ignition laser fusion. Nat Commun. 2014 Dec 12;5:5785. doi: 10.1038/ncomms6785. PMID: 25503788.
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Nat Commun. 2014 Dec 12;5:5785. doi: 10.1038/ncomms6785.

Time-resolved compression of a capsule with a cone to high density for fast-ignition laser fusion.

Nature communications

W Theobald, A A Solodov, C Stoeckl, K S Anderson, F N Beg, R Epstein, G Fiksel, E M Giraldez, V Yu Glebov, H Habara, S Ivancic, L C Jarrott, F J Marshall, G McKiernan, H S McLean, C Mileham, P M Nilson, P K Patel, F Pérez, T C Sangster, J J Santos, H Sawada, A Shvydky, R B Stephens, M S Wei

Affiliations

  1. Laboratory for Laser Energetics and Fusion Science Center for Extreme States of Matter, University of Rochester, 250 East River Road, Rochester, New York 14623-1299, USA.
  2. Department of Mechanical and Aerospace Engineering, University of California-San Diego, La Jolla, California 92093, USA.
  3. General Atomics, San Diego, California 92186, USA.
  4. Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
  5. Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  6. University of Bordeaux, CEA, CNRS, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405, Talence, France.
  7. Department of Physics, University of Reno, Reno, Nevada 89557, USA.

PMID: 25503788 DOI: 10.1038/ncomms6785

Abstract

The advent of high-intensity lasers enables us to recreate and study the behaviour of matter under the extreme densities and pressures that exist in many astrophysical objects. It may also enable us to develop a power source based on laser-driven nuclear fusion. Achieving such conditions usually requires a target that is highly uniform and spherically symmetric. Here we show that it is possible to generate high densities in a so-called fast-ignition target that consists of a thin shell whose spherical symmetry is interrupted by the inclusion of a metal cone. Using picosecond-time-resolved X-ray radiography, we show that we can achieve areal densities in excess of 300 mg cm(-2) with a nanosecond-duration compression pulse--the highest areal density ever reported for a cone-in-shell target. Such densities are high enough to stop MeV electrons, which is necessary for igniting the fuel with a subsequent picosecond pulse focused into the resulting plasma.

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