Search Results - "Cobble, J.A"

Analysis of mix experiments on Omega by Bradley, P.A., Cobble, J.A., Fincke, J.R., Hsu, S.C., Maglessen, G.R., Murphy, T.J., Schmitt, M.J., Tregillis, I.L., Vinyard, N.S., Wysocki, F.J., Obrey, K.D.

“…A 2-D Eulerian code with a turbulent mix model was used for the first time to model a set of plastic (CH) ablator capsules with 15 mu m thick CH shells. Our…”
Get full text

Defect-induced mix experiment for NIF by Schmitt, M.J., Bradley, P.A., Cobble, J.A., Hsu, S.C., Krasheninnikova, N.S., Kyrala, G.A., Magelssen, G.R., Murphy, T.J., Obrey, K.A., Tregillis, I.L., Wysocki, F.J., Finnegan, S.M.

“…The Defect Induced Mix Experiment (DIME-II) will measure the implosion and mix characteristics of CH capsules filled with 5 atmospheres of DT by incorporating…”
Get full text

Observation of a transition from fluid to kinetic nonlinearities for Langmuir waves driven by stimulated Raman backscatter by KLINE, J. L, MONTGOMERY, D. S, BEZZERIDES, B, COBBLE, J. A, DUBOIS, D. F, JOHNSON, R. P, ROSE, H. A, YIN, L, VU, H. X

“…Thomson scattering is used to measure Langmuir waves (LW) driven by stimulated Raman scattering (SRS) in a diffraction limited laser focal spot. For SRS at…”
Get full text

Laser ion acceleration with micro-grooved targets by Schollmeier, Marius, Roth, M., Blazevic, A., Brambrink, E., Cobble, J.A., Fernandez, J.C., Flippo, K.A., Gautier, D.C., Habs, D., Harres, K., Hegelich, B.M., Heßling, T., Hoffmann, D.H.H., Letzring, S., Nürnberg, F., Schaumann, G., Schreiber, J., Witte, K.

“…This paper reports on recent results of a series of experiments on laser-generated ion beams. The experiments were done at the 30 TW ‘Trident’ laser system at…”
Get full text

Simulated neutron diagnostics of imploding ICF targets for the Neutron Imaging System at the national ignition facility by Cobble, J.A., Schmitt, M.J., Tregillis, I.L., Obrey, K.A., Batha, S.H., Magelssen, G.R., Wilke, M.D.

“…Summary form only given. The neutron imaging system (NIS), currently under development at Los Alamos National Laboratory, will be a phase 2 diagnostic for the…”
Get full text

Anomalous satellite-line intensities from a TRIDENT laser-produced plasma by Elton, R.C, Cobble, J.A, Griem, H.R, Montgomery, D.S, Mancini, R.C, Jacobs, V.L, Behar, E

“…An unusual enhancement of two normally-weak and density-stable satellite spectral lines resulting from 2s 2–1s2p and 1s2s 2–1s 22p transitions in He- and…”
Get full text

Megabar Shocks in Beryllium-Copper Driven by a NIF-Like Foot Pulse in a Vacuum Halfraum by Tierney, T.E., Cobble, J.A., Swift, D.C., Luo, S.-N., Hoffman, N.M., DeVolder, B.G., Tubbs, D.L.

“…Summary form only given. An understanding of the material dynamics and EoS characteristics of copper-doped beryllium (Be-Cu) ablators is critical for several…”
Get full text

Increased Saturated Levels of Stimulated Brillouin Scattering of a Laser by Seeding a Plasma with an External Light Source by Fernández, Juan C., Bauer, B. S., Bradley, K. S., Cobble, J. A., Montgomery, D. S., Watt, R. G., Bezzerides, B., Estabrook, K. G., Focia, R., Goldman, S. R., Harris, D. B., Lindman, E. L., Rose, H. A., Wallace, J., Wilde, B. H.

Get full text

X-ray generation by high irradiance subpicosecond lasers by KYRALA, G. A, FULTON, R. D, WAHLIN, E. K, JONES, L. A, SCHAPPERT, G. T, COBBLE, J. A, TAYLOR, A. J

“…We have studied the interaction of 290-fs, 308-nm laser pulses with aluminum targets at irradiances exceeding 5×1018 W/cm2. The x-ray spectrum is dominated by…”
Get full text

Satellite spectral lines in high density laser-produced plasmas by Elton, R.C., Griem, H.R., Welch, B.L., Osterheld, A.L., Mancini, R.C., Knauer, J., Pien, G., Watt, R.G., Cobble, J.A., Jaanimagi, P.A., Bradley, D.K., Delettrez, J.A., Epstein, R.

“…Two types of satellite lines are studied in laser-produced plasmas as potential diagnostic tools. One consists of a pair of lines straddling the wavelength of…”
Get full text

Dynamics of high-Z plasmas produced by a short-wavelength laser by GOLDSTONE, P. D, GOLDMAN, S. R, KECK, R. L, MARSHALL, F. J, SEKA, W, BARNOUIN, O, YAAKOBI, B, LETZRING, S. A, MEAD, W. C, COBBLE, J. A, STRADLING, G, DAY, R. H, HAUER, A, RICHARDSON, M. C, MARJORIBANKS, R. S, JAANIMAGI, P. A

“…The dynamics and energy flow in Au plasmas produced by a 0.35- mu m laser have been studied with layered targets with 6- and 24-beam spherical illumination…”
Get full text

Electron Heating and Confinement Measurements in the EBT-S Toroidal Core Plasma with Thomson Scattering by Bighel, L., Cobble, J. A.

“…A ruby-laser Thomson-scattering system, designed for very low-electron-density applications, has shown electron temperature and density profiles in the Elmo…”
Get full text

Kilovolt x-ray spectroscopy of a subpicosecond-laser-excited source by COBBLE, J. A, KYRALA, G. A, HAUER, A. A, TAYLOR, A. J, GOMEZ, C. C, DELAMATER, N. D, SCHAPPERT, G. T

Get full text