Demonstration of Ignition Radiation Temperatures in Indirect-Drive Inertial Confinement Fusion Hohlraums

Glenzer, S. H.; MacGowan, B. J.; Meezan, N. B.; Adams, P. A.; Alfonso, J. B.; Alger, E T; Alherz, Z.; Álvarez, Luis Fernández; Alvarez, S. S.; Amick, P. V.; Andersson, Kennet; Andrews, Scott; Antonini, Giulio; Arnold, P.; Atkinson, D.; Auyang, L.; Azevedo, S.G.; Balaoing, B. N. M.; Baltz, James A.; Barbosa, Felipe Rudge; Bardsley, G.; Barker, D. A.; Barnes, Anna; Baron, Alfred Q. R.; Beeler, R.; Beeman, B. V.; Belk, L. R.; Bell, J. C.; Bell, P. M.; Berger, R. L.; Bergonia, M. A.; Bernardez, Luis J.; Berzins, L.V.; Bettenhausen, R. C.; Bezerides, L.; Bhandarkar, S. D.; Bishop, Craig; Bond, E.; Bopp, D. R.; Borgman, J.; Bower, J.R.; Bowers, G. Allen; Bowers, M. W.; Boyle, D. T.; Bradley, D. K.; Bragg, J. L.; Braucht, J.; L., Brinkerhoff, D.; Browning, Donald F.; Brunton, G; Burkhart, Scott C.; Burns, S.; Burns, K. E.; Burr, B.; Burrows, L. M.; K., Butlin, R.; J., Cahayag, N.; Callahan, D. A.; Cardinale, P. S.; Carey, Robert W.; Carlson, Joseph W.; Casey, A; Castro, C.; Celeste, J.; Chakicherla, Anu; Chambers, F. W.; Chan, C. F.; Chandrasekaran, Hema; Chang, C. C.; Chapman, Robert F.; Charron, K.; Y., Chen,; Christensen, M. J.; Churby, A; Clancy, T. J.; Cline, B. D.; Clowdus, Lisa; G., Cocherell, D.; Coffield, F.E.; Cohen, Simon J.; Costa, R.; Cox, J. R.; Curnow, G. M.; Dailey, Michael J.; Danforth, Pamela M.; Darbee, R.; Datte, P.; Davis, James A.; Deis, G.A.; Demaret, R D; Dewald, E. L.; Nicola, P. Di; Nicola, J. M. Di; Divol, L.; Dixit, S.; Dobson, D; Döppner, T.; Driscoll, J. D.; Dugorepec, J; Duncan, J.; Dupuy, P. C.; Dzenitis, E. G.; Eckart, M. J.; L., Edson, S.; Edwards, Gary; Edwards, M.; Edwards, O; Edwards, Philip; Ellefson, J. C.; Ellerbee, C. H.; Erbert, G.; Estes, Christopher M.; Fabyan, W. J.; Fallejo, R; Федоров, М. А.; Felker, B.; T., Fink, J.; D., Finney, M.; Finnie, L. F.; Fischer, M. J.; Fisher, J M; Fishler, B; Florio, J.; Forsman, A.; Foxworthy, C B; Franks, R.M.; Frazier, T.; Frieder, G.; Fung, T.; Gawinski, G. N.; Gibson, C. R.; Giraldez, E.; Glenn, S.; Golick, B.; H., Gonzales,; Gonzáles, S.; Gonzalez, Marcial; Griffin, Kevin L.; Grippen, J.; Gross, Simon; H., Gschweng, P.; Gururangan, G.; Gu, Kun-Ming; Haan, S. W.; Hahn, S.; Haid, B.; Hamblen, Josh; Hammel, B. A.; Hamza, A. V.; L., Hardy, D.; Hart, Daniel; Hartley, R.; Haynam, C.; Heestand, G.M.; Hermann, M. R.; Hermes, G.; Hey, D.; Hibbard, R. L.; Hicks, D. G.; Hinkel, D. E.; Hipple, D. L.; Hitchcock, J. D.; L., Hodtwalker, D.; Holder, J. P.; Hollis, J. D.; Holtmeier, G.; Huber, S.; Huey, A W; Hulsey, D. N.; Hunter, Steve L.; R., Huppler, T.; Hutton, Matthew; Izumi, N.; Jackson, J.L.; Jackson, Michael; Jancaitis, K.; Jedlovec, D.; Johnson, B. W.; Johnson, M. C.; Johnson, T.; Johnston, Matthew; Jones, O. S.; Kalantar, D. H.; Kamperschroer, J.; Kauffman, R. 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T.; Warrick, A.; Watkins, J.G.; Weaver, S.; Wegner, Paul J.; Weingart, M. A.; Wen, Jiamei; White, Karen S.; Whitman, P. K.; Widmann, K.; Widmayer, C.; Wilhelmsen, K.; Williams, E. A.; Williams, Wade H.; Willis, Lucas; Wilson, Eric; Wilson, B.; Witte, Monika C.; Work, K.; Yang, Pin; Young, B. K.; Youngblood, K. P.; Zacharias, R.; Zaleski, T. A.; Zapata, P.; H., Zhang,; Zielinski, Jonas; Kline, J. L.; Kyrala, G. A.; Niemann, C.; Kilkenny, J. D.; Nikroo, A.; Wonterghem, B. M. Van; Atherton, L. J.; Moses, E

doi:10.1103/physrevlett.106.085004

Cited by 103 publications

(49 citation statements)

References 32 publications

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“…The first two phases measured drive temperatures of 300 eV with backscatter of less than 15%, and radiation symmetry control was demonstrated to compressed cores to <10% [6]. In these hohlraums, beam propagation in underdense plasma and underdense plasma production from hohlraum blow off was more important than in previous Nova and OMEGA experiments and have brought new understanding to hohlraum performance.…”

Section: National Ignition Campaign (Nic) and Progress Towards Ignitionmentioning

confidence: 89%

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The NIF: An international high energy density science and inertial fusion user facility

Moses

Storm

2013

EPJ Web of Conferences

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Abstract. The National Ignition Facility (NIF), a 1.8-MJ/500-TW Nd:Glass laser facility designed to study inertial confinement fusion (ICF) and high-energy-density science (HEDS), is operational at Lawrence Livermore National Laboratory (LLNL). A primary goal of NIF is to create the conditions necessary to demonstrate laboratory-scale thermonuclear ignition and burn. NIF experiments in support of indirect-drive ignition began late in FY2009 as part of the National Ignition Campaign (NIC), an international effort to achieve fusion ignition in the laboratory. To date, all of the capabilities to conduct implosion experiments are in place with the goal of demonstrating ignition and developing a predictable fusion experimental platform in 2012. The results from experiments completed are encouraging for the near-term achievement of ignition. Capsule implosion experiments at energies up to 1.6 MJ have demonstrated laser energetics, radiation temperatures, and symmetry control that scale to ignition conditions. Of particular importance is the demonstration of peak hohlraum temperatures near 300 eV with overall backscatter less than 15%. Important national security and basic science experiments have also been conducted on NIF. Successful demonstration of ignition and net energy gain on NIF will be a major step towards demonstrating the feasibility of laser-driven Inertial Fusion Energy (IFE). This paper will describe the results achieved so far on the path toward ignition, the beginning of fundamental science experiments and the plans to transition NIF to an international user facility providing access to HEDS and fusion energy researchers around the world.

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Section: National Ignition Campaign (Nic) and Progress Towards Ignitionmentioning

confidence: 89%

“…Experiments are planned for throughout the year to improve performance and demonstrate alpha heating of the fuel, the next step in ignition demonstration. NIF scientists have also 01002-p. 6 …”

Section: Discussionmentioning

confidence: 99%

The NIF: An international high energy density science and inertial fusion user facility

Moses

Storm

2013

EPJ Web of Conferences

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“…4 for the scaling of drive with laser energy showing a T r of 300 eV for 1.3 MJ of laser energy in an ignition-scale hohlraum. 6 Control of radiation symmetry has been demonstrated both by varying the inner and outer cone beam energy and by varying the wavelength difference to obtain symmetric implosions. NIF experiments have brought new understanding to hohlraum performance.…”

Section: National Ignition Campaign (Nic) -Ignition Progressmentioning

confidence: 99%

The National Ignition Facility: Status and Progress Towards Fusion Ignition

Moses

2012

Fusion Science and Technology

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“…increase in UV laser energy from 1.1 MJ to 1.7 MJ), the hohlraum X-rays parameters [12,13], symmetry [14] and velocity [15] of the pellet implosion as well as in parameters of the compressed fuel [16]. In particular, in the first implosion experiment with cryogenic (0.17 mg) DT fuel, performed with 192 UV laser beams of total energy of 1.6 MJ, extremely high compressed fuel parameters were achieved [16]: the fuel density ρ f ≈ 600 g/cm 3 (more than 2000 of the solid DT density), the fuel areal density ρ f r f ≈ 1 g/cm 2 and the average ion temperature of the fuel T ≈ 3.5 keV, and, as a result, 10 15 fusion neutrons were produced.…”

Section: Central Hot Spot Ignition Schemementioning

confidence: 99%

Laser nuclear fusion: current status, challenges and prospect

Badziak¹

2012

Bulletin of the Polish Academy of Sciences: Technical Sciences

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Abstract. In 2009, in Lawrence Livermore National Laboratory, USA, National Ignition Facility (NIF) -the largest thermonuclear fusion device ever made was launched. Its main part is a multi-beam laser whose energy in nanosecond pulse exceeds 1MJ (10 6 J). Its task is to compress DT fuel to the density over a few thousand times higher than that of solid-state DT and heat it to 100 millions of K degrees. In this case, the process of fuel compression and heating is realized in an indirect way -laser radiation (in UV range) is converted in the so-called hohlraum (1 cm cylinder with a spherical DT pellet inside) into very intense soft X radiation symmetrically illuminating DT pellet. For the first time ever, the fusion device's energetic parameters are sufficient for the achieving the ignition and self-sustained burn of thermonuclear fuel on a scale allowing for the generation of energy far bigger than that delivered to the fuel.The main purpose of the current experimental campaign on NIF is bringing about, within the next two-three years, a controlled thermonuclear 'big bang' in which the fusion energy will exceed the energy delivered by the laser at least ten times. The expected 'big bang' would be the culmination of fifty years of international efforts aiming at demonstrating both physical and technical feasibility of generating, in a controlled way, the energy from nuclear fusion in inertial confined plasma and would pave the way for practical realization of the laser-driven thermonuclear reactor.This paper briefly reviews the basic current concepts of laser fusion and main problems and challenges facing the research community dealing with this field. In particular, the conventional, central hot spot ignition approach to laser fusion is discussed together with the more recent ones -fast ignition, shock ignition and impact ignition fusion. The research projects directed towards building an experimental laser-driven thermonuclear reactor are presented as well.

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Demonstration of Ignition Radiation Temperatures in Indirect-Drive Inertial Confinement Fusion Hohlraums

Cited by 103 publications

References 32 publications

The NIF: An international high energy density science and inertial fusion user facility

The NIF: An international high energy density science and inertial fusion user facility

The National Ignition Facility: Status and Progress Towards Fusion Ignition

Laser nuclear fusion: current status, challenges and prospect

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