Shock timing on the National Ignition Facility: The first precision tuning series
Ignition implosions on the National Ignition Facility (NIF) [Lindl et al., Phys. Plasmas 11, 339 (2004)] are driven with a very carefully tailored sequence of four shock waves that must be timed to very high precision in order to keep the fuel on a low adiabat. The first series of precision tuning e...
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2013-11-01
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doaj-1c1b3208c99741759de40211fa8a99792021-08-02T08:47:14ZengEDP SciencesEPJ Web of Conferences2100-014X2013-11-01590200510.1051/epjconf/20135902005Shock timing on the National Ignition Facility: The first precision tuning seriesRobey H.F.Celliers P.M.Kline J.L.Mackinnon A.J.Boehly T.R.Landen O.L.Eggert J.H.Hicks D.Pape S. LeFarley D.R.Bowers M.W.Krauter K.G.Munro D.H.Jones O.S.Milovich J.L.Clark D.Spears B.K.Town R.P. J.Haan S. W.Dixit S.Schneider M.B.Dewald E.L.Widmann K.Moody J.D.Döppner T.Radousky H.B.Nikroo A.Kroll J.J.Hamza A.V.Horner J.B.Bhandarkar S.D.Dzenitis E.Alger E.Giraldez E.Castro C.Moreno K.Haynam C.LaFortune K.N.Widmayer C.Shaw M.Jancaitis K.Parham T.Holunga D.M.Walters C.F.Haid B.Malsbury T.Trummer D.Coffee K.R.Burr B.Berzins L.V.Choate C.Brereton S.J.Azevedo S.Chandrasekaran H.Glenzer S.Caggiano J.A.Knauer J.P.Frenje J.A.Casey D.T.Johnson M. GatuSéguin F. H.Young B.K.Edwards M.J.Wonterghem B.M. VanKilkenny J.MacGowan B.J.Atherton L.J.Lindl J.D.Meyerhofer D.D.Moses E.Ignition implosions on the National Ignition Facility (NIF) [Lindl et al., Phys. Plasmas 11, 339 (2004)] are driven with a very carefully tailored sequence of four shock waves that must be timed to very high precision in order to keep the fuel on a low adiabat. The first series of precision tuning experiments on NIF have been performed. These experiments use optical diagnostics to directly measure the strength and timing of all four shocks inside the hohlraum-driven, cryogenic deuterium-filled capsule interior. The results of these experiments are presented demonstrating a significant decrease in the fuel adiabat over previously un-tuned implosions. The impact of the improved adiabat on fuel compression is confirmed in related deuterium-tritium (DT) layered capsule implosions by measurement of fuel areal density (ρR), which show the highest fuel compression (ρR ∼ 1.0 g/cm2) measured to date. http://dx.doi.org/10.1051/epjconf/20135902005 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Robey H.F. Celliers P.M. Kline J.L. Mackinnon A.J. Boehly T.R. Landen O.L. Eggert J.H. Hicks D. Pape S. Le Farley D.R. Bowers M.W. Krauter K.G. Munro D.H. Jones O.S. Milovich J.L. Clark D. Spears B.K. Town R.P. J. Haan S. W. Dixit S. Schneider M.B. Dewald E.L. Widmann K. Moody J.D. Döppner T. Radousky H.B. Nikroo A. Kroll J.J. Hamza A.V. Horner J.B. Bhandarkar S.D. Dzenitis E. Alger E. Giraldez E. Castro C. Moreno K. Haynam C. LaFortune K.N. Widmayer C. Shaw M. Jancaitis K. Parham T. Holunga D.M. Walters C.F. Haid B. Malsbury T. Trummer D. Coffee K.R. Burr B. Berzins L.V. Choate C. Brereton S.J. Azevedo S. Chandrasekaran H. Glenzer S. Caggiano J.A. Knauer J.P. Frenje J.A. Casey D.T. Johnson M. Gatu Séguin F. H. Young B.K. Edwards M.J. Wonterghem B.M. Van Kilkenny J. MacGowan B.J. Atherton L.J. Lindl J.D. Meyerhofer D.D. Moses E. |
spellingShingle |
Robey H.F. Celliers P.M. Kline J.L. Mackinnon A.J. Boehly T.R. Landen O.L. Eggert J.H. Hicks D. Pape S. Le Farley D.R. Bowers M.W. Krauter K.G. Munro D.H. Jones O.S. Milovich J.L. Clark D. Spears B.K. Town R.P. J. Haan S. W. Dixit S. Schneider M.B. Dewald E.L. Widmann K. Moody J.D. Döppner T. Radousky H.B. Nikroo A. Kroll J.J. Hamza A.V. Horner J.B. Bhandarkar S.D. Dzenitis E. Alger E. Giraldez E. Castro C. Moreno K. Haynam C. LaFortune K.N. Widmayer C. Shaw M. Jancaitis K. Parham T. Holunga D.M. Walters C.F. Haid B. Malsbury T. Trummer D. Coffee K.R. Burr B. Berzins L.V. Choate C. Brereton S.J. Azevedo S. Chandrasekaran H. Glenzer S. Caggiano J.A. Knauer J.P. Frenje J.A. Casey D.T. Johnson M. Gatu Séguin F. H. Young B.K. Edwards M.J. Wonterghem B.M. Van Kilkenny J. MacGowan B.J. Atherton L.J. Lindl J.D. Meyerhofer D.D. Moses E. Shock timing on the National Ignition Facility: The first precision tuning series EPJ Web of Conferences |
author_facet |
Robey H.F. Celliers P.M. Kline J.L. Mackinnon A.J. Boehly T.R. Landen O.L. Eggert J.H. Hicks D. Pape S. Le Farley D.R. Bowers M.W. Krauter K.G. Munro D.H. Jones O.S. Milovich J.L. Clark D. Spears B.K. Town R.P. J. Haan S. W. Dixit S. Schneider M.B. Dewald E.L. Widmann K. Moody J.D. Döppner T. Radousky H.B. Nikroo A. Kroll J.J. Hamza A.V. Horner J.B. Bhandarkar S.D. Dzenitis E. Alger E. Giraldez E. Castro C. Moreno K. Haynam C. LaFortune K.N. Widmayer C. Shaw M. Jancaitis K. Parham T. Holunga D.M. Walters C.F. Haid B. Malsbury T. Trummer D. Coffee K.R. Burr B. Berzins L.V. Choate C. Brereton S.J. Azevedo S. Chandrasekaran H. Glenzer S. Caggiano J.A. Knauer J.P. Frenje J.A. Casey D.T. Johnson M. Gatu Séguin F. H. Young B.K. Edwards M.J. Wonterghem B.M. Van Kilkenny J. MacGowan B.J. Atherton L.J. Lindl J.D. Meyerhofer D.D. Moses E. |
author_sort |
Robey H.F. |
title |
Shock timing on the National Ignition Facility: The first precision tuning series |
title_short |
Shock timing on the National Ignition Facility: The first precision tuning series |
title_full |
Shock timing on the National Ignition Facility: The first precision tuning series |
title_fullStr |
Shock timing on the National Ignition Facility: The first precision tuning series |
title_full_unstemmed |
Shock timing on the National Ignition Facility: The first precision tuning series |
title_sort |
shock timing on the national ignition facility: the first precision tuning series |
publisher |
EDP Sciences |
series |
EPJ Web of Conferences |
issn |
2100-014X |
publishDate |
2013-11-01 |
description |
Ignition implosions on the National Ignition Facility (NIF) [Lindl et al., Phys. Plasmas 11, 339 (2004)] are driven with a very carefully tailored sequence of four shock waves that must be timed to very high precision in order to keep the fuel on a low adiabat. The first series of precision tuning experiments on NIF have been performed. These experiments use optical diagnostics to directly measure the strength and timing of all four shocks inside the hohlraum-driven, cryogenic deuterium-filled capsule interior. The results of these experiments are presented demonstrating a significant decrease in the fuel adiabat over previously un-tuned implosions. The impact of the improved adiabat on fuel compression is confirmed in related deuterium-tritium (DT) layered capsule implosions by measurement of fuel areal density (ρR), which show the highest fuel compression (ρR ∼ 1.0 g/cm2) measured to date. |
url |
http://dx.doi.org/10.1051/epjconf/20135902005 |
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