Search Results - "Cobble, J A"

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…”
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Observation of stimulated electron-acoustic-wave scattering by Montgomery, D S, Focia, R J, Rose, H A, Russell, D A, Cobble, J A, Fernández, J C, Johnson, R P

“…A diffraction-limited laser interacts with a plasma whose conditions are uniform on the scale of the focused laser spot. Two distinct, narrow waves are…”
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Total energy loss to fast ablator-ions and target capacitance of direct-drive implosions on OMEGA by Sinenian, N., Zylstra, A. B., Manuel, M. J.-E., Rinderknecht, H. G., Frenje, J. A., Séguin, F. H., Li, C. K., Petrasso, R. D., Goncharov, V., Delettrez, J., Igumenshchev, I. V., Froula, D. H., Stoeckl, C., Sangster, T. C., Meyerhofer, D. D., Cobble, J. A., Hicks, D. G.

“…Measurements of the total energy carried by fast ablator-ions in direct-drive implosions on OMEGA have been conducted using magnetic and Thomson Parabola…”
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The Microwave-Heated Bumpy Torus: A Concept for Fusion Energy by Cobble, J. A.

“…In the last 3 decades, giant steps in technology and simulations capability have been made for the benefit of all magnetic fusion concepts. This is especially…”
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Transition to efficient, unsuppressed bulk-target ion acceleration via high-fluence laser irradiation by Higginson, D. P., Kim, J., Petrov, G. M., Swift, D. C., Cobble, J. A., Bleuel, D. L., Frenje, J. A., Glebov, V. Yu, Stoeckl, C., McNaney, J. M., Beg, F. N.

“…A high-intensity laser irradiating a few-μm solid foil will accelerate ions from the bulk of the target as well as protons from a surface contaminant layer…”
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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…”
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Observed Dependence of Stimulated Raman Scattering on Ion-Acoustic Damping in Hohlraum Plasmas by Fernández, JC, Cobble, JA, Failor, BH, DuBois, DF, Montgomery, DS, Rose, HA, Vu, HX, Wilde, BH, Wilke, MD, Chrien, RE

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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…”
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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…”
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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…”
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Charge-exchange-induced two-electron satellite transitions from autoionizing levels in dense plasmas by Rosmej, F B, Griem, H R, Elton, R C, Jacobs, V L, Cobble, J A, Faenov, A Ya, Pikuz, T A, Geissel, M, Hoffmann, D H H, Süss, W, Uskov, D B, Shevelko, V P, Mancini, R C

“…Order-of-magnitude anomalously high intensities for two-electron (dielectronic) satellite transitions, originating from the He-like 2s(2) 1S0 and Li-like…”
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Flow-induced beam steering in a single laser hot spot by Montgomery, DS, Johnson, RP, Rose, HA, Cobble, JA, Fernandez, JC

“…The transmitted angular distribution of a 527 nm nearly diffraction-limited laser is measured after it propagates through a plasma with supersonic transverse…”
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Optical Diagnostics Using a Barium Ion Beam for Spatial Resolution of Plasma Parameters by Cobble, J. A., Glowienka, J. C.

“…Plasma electron excitation of the 6s2S1/2 - 6p2P resonance transitions for the singly charged barium ion is proposed as an optical diagnostic for plasmas of…”
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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…”
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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…”
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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

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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.

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Hot, dense, millimeter-scale, high-Z plasmas for laser-plasma interactions studies by Failor, B H, Fernandez, J C, Wilde, B H, Osterheld, A L, Cobble, J A, Gobby, P L

“…We have designed and produced hot, millimeter-scale, high-Z plasmas of interest for National Ignition Facility hohlraum target design. Using a high-Z gas fill…”
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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…”
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Cardiac care 2000. Thrombolytics: old and new by Cobble, J A, Napier, B

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