Search Results - "Kugland, N. L."

Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows by Huntington, C. M., Fiuza, F., Ross, J. S., Zylstra, A. B., Drake, R. P., Froula, D. H., Gregori, G., Kugland, N. L., Kuranz, C. C., Levy, M. C., Li, C. K., Meinecke, J., Morita, T., Petrasso, R., Plechaty, C., Remington, B. A., Ryutov, D. D., Sakawa, Y., Spitkovsky, A., Takabe, H., Park, H.-S.

“…Astrophysical processes are often driven by collisionless plasma shock waves. The Weibel instability, a possible mechanism for developing such shocks, has now…”
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Self-organized electromagnetic field structures in laser-produced counter-streaming plasmas by Kugland, N. L., Ryutov, D. D., Chang, P-Y., Drake, R. P., Fiksel, G., Froula, D. H., Glenzer, S. H., Gregori, G., Grosskopf, M., Koenig, M., Kuramitsu, Y., Kuranz, C., Levy, M. C., Liang, E., Meinecke, J., Miniati, F., Morita, T., Pelka, A., Plechaty, C., Presura, R., Ravasio, A., Remington, B. A., Reville, B., Ross, J. S., Sakawa, Y., Spitkovsky, A., Takabe, H., Park, H-S.

“…Stable structures can self-assemble in plasmas flowing at supersonic speeds, as evident in many astronomical objects. But now it is also seen in the laboratory…”
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Collisionless coupling of ion and electron temperatures in counterstreaming plasma flows by Ross, J S, Park, H-S, Berger, R, Divol, L, Kugland, N L, Rozmus, W, Ryutov, D, Glenzer, S H

“…Rapid electron and ion heating is observed in collisionless counterstreaming plasma flows and explained via a novel heating mechanism that couples the electron…”
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Ultrafast melting of carbon induced by intense proton beams by Pelka, A, Gregori, G, Gericke, D O, Vorberger, J, Glenzer, S H, Günther, M M, Harres, K, Heathcote, R, Kritcher, A L, Kugland, N L, Li, B, Makita, M, Mithen, J, Neely, D, Niemann, C, Otten, A, Riley, D, Schaumann, G, Schollmeier, M, Tauschwitz, An, Roth, M

“…Laser-produced proton beams have been used to achieve ultrafast volumetric heating of carbon samples at solid density. The isochoric melting of carbon was…”
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Evidence for a glassy state in strongly driven carbon by Brown, C. R. D., Gericke, D. O., Cammarata, M., Cho, B. I., Döppner, T., Engelhorn, K., Förster, E., Fortmann, C., Fritz, D., Galtier, E., Glenzer, S. H., Harmand, M., Heimann, P., Kugland, N. L., Lamb, D. Q., Lee, H. J., Lee, R. W., Lemke, H., Makita, M., Moinard, A., Murphy, C. D., Nagler, B., Neumayer, P., Plagemann, K.-U., Redmer, R., Riley, D., Rosmej, F. B., Sperling, P., Toleikis, S., Vinko, S. M., Vorberger, J., White, S., White, T. G., Wünsch, K., Zastrau, U., Zhu, D., Tschentscher, T., Gregori, G.

“…Here, we report results of an experiment creating a transient, highly correlated carbon state using a combination of optical and x-ray lasers. Scattered x-rays…”
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Evolution of elastic x-ray scattering in laser-shocked warm dense lithium by Kugland, N L, Gregori, G, Bandyopadhyay, S, Brenner, C M, Brown, C R D, Constantin, C, Glenzer, S H, Khattak, F Y, Kritcher, A L, Niemann, C, Otten, A, Pasley, J, Pelka, A, Roth, M, Spindloe, C, Riley, D

“…We have studied the dynamics of warm dense Li with near-elastic x-ray scattering. Li foils were heated and compressed using shock waves driven by 4-ns-long…”
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Demonstration of a low electromagnetic pulse laser-driven argon gas jet x-ray source by Kugland, N. L., Aurand, B., Brown, C. G., Constantin, C. G., Everson, E. T., Glenzer, S. H., Schaeffer, D. B., Tauschwitz, A., Niemann, C.

“…Laser-produced plasmas are often used as bright x-ray backlighters for time-resolved plasma diagnostics, but such backlighters simultaneously generate damaging…”
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Development of an Interpretive Simulation Tool for the Proton Radiography Technique by Levy, M. C, Ryutov, D. D, Wilks, S. C, Ross, J. S, Huntington, C. M, Fiuza, F, Martinez, D. A, Kugland, N. L, Baring, M. G, Park, H-. S

“…Proton radiography is a useful diagnostic of high energy density (HED) plasmas under active theoretical and experimental development. In this paper we describe…”
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Studying astrophysical collisionless shocks with counterstreaming plasmas from high power lasers by Park, Hye-Sook, Ryutov, D.D., Ross, J.S., Kugland, N.L., Glenzer, S.H., Plechaty, C., Pollaine, S.M., Remington, B.A., Spitkovsky, A., Gargate, L., Gregori, G., Bell, A., Murphy, C., Sakawa, Y., Kuramitsu, Y., Morita, T., Takabe, H., Froula, D.H., Fiksel, G., Miniati, F., Koenig, M., Ravasio, A., Pelka, A., Liang, E., Woolsey, N., Kuranz, C.C., Drake, R.P., Grosskopf, M.J.

“…Collisions of high Mach number flows occur frequently in astrophysics, and the resulting shock waves are responsible for the properties of many astrophysical…”
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Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows by Huntington, C. M, Fiuza, F, Ross, J. S, Zylstra, A. B, Drake, R. P, Froula, D. H, Gregori, G, Kugland, N. L, Kuranz, C. C, Levy, M. C, Li, C. K, Meinecke, J, Morita, T, Petrasso, R, Plechaty, C, Remington, B. A, Ryutov, D. D, Sakawa, Y, Spitkovsky, A, Takabe, H, Park, H. -S

“…Nat Phys. 11(2), 173-176, 2015 Collisionless shocks can be produced as a result of strong magnetic fields in a plasma flow, and therefore are common in many…”
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High K α x-ray conversion efficiency from extended source gas jet targets irradiated by ultra short laser pulses by Kugland, N. L., Constantin, C. G., Neumayer, P., Chung, H.-K., Collette, A., Dewald, E. L., Froula, D. H., Glenzer, S. H., Kemp, A., Kritcher, A. L., Ross, J. S., Niemann, C.

“…The absolute laser conversion efficiency to K α -like inner shell x-rays (integrated from K α to K β ) is observed to be an order of magnitude higher in argon…”
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Reduction in helium thermal conductivity by 1 mg ∕ cc silica aerogel foam by Kugland, N. L., Moody, J. D., Kozioziemski, B. J., Rubenchik, A. M., Niemann, C.

“…Ultralow density 1 mg ∕ cc aerogel foam reduces the thermal conductivity of pure helium gas by about a factor of 3 at 1 Torr and 20 K , with smaller reductions…”
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Evidence for a glassy state in strongly driven carbon by Brown, C. R. D., Gericke, D. O., Cammarata, M., Cho, B. I., Döppner, T., Engelhorn, K., Förster, E., Fortmann, C., Fritz, D., Galtier, E., Glenzer, S. H., Harmand, M., Heimann, P., Kugland, N. L., Lamb, D. Q., Lee, H. J., Lee, R. W., Lemke, H., Makita, M., Moinard, A., Murphy, C. D., Nagler, B., Neumayer, P., Plagemann, K. -U., Redmer, R., Riley, D., Rosmej, F. B., Sperling, P., Toleikis, S., Vinko, S. M., Vorberger, J., White, S., White, T. G., Wünsch, K., Zastrau, U., Zhu, D., Tschentscher, T., Gregori, G.

“…Here, we report results of an experiment creating a transient, highly correlated carbon state using a combination of optical and x-ray lasers. Scattered x-rays…”
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Reduction in helium thermal conductivity by 1mg∕cc silica aerogel foam by Kugland, N. L., Moody, J. D., Kozioziemski, B. J., Rubenchik, A. M., Niemann, C.

“…Ultralow density 1mg∕cc aerogel foam reduces the thermal conductivity of pure helium gas by about a factor of 3 at 1Torr and 20K, with smaller reductions at…”
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High K-alpha X-ray Conversion Efficiency From Extended Source Gas Jet Targets Irradiated by Ultra Short Laser Pulses by Kugland, N L, Constantin, C, Collette, A, Dewald, E, Froula, D, Glenzer, S H, Kritcher, A, Neumayer, P, Ross, J S, Niemann, C

“…The absolute laser conversion efficiency to K{sub {alpha}}-like inner shell x-rays (integrated from K{sub {alpha}} to K{sub {beta}}) is observed to be an order…”
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High K{alpha} x-ray conversion efficiency from extended source gas jet targets irradiated by ultra short laser pulses by Kugland, N. L., Constantin, C. G., Collette, A., Niemann, C., Neumayer, P., Chung, H.-K., Dewald, E. L., Froula, D. H., Glenzer, S. H., Kemp, A., Kritcher, A. L., Ross, J. S.

“…The absolute laser conversion efficiency to K{alpha}-like inner shell x-rays (integrated from K{alpha} to K{beta}) is observed to be an order of magnitude…”
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Simulation of laser-driven, ablated plasma flows in collisionless shock experiments on OMEGA and the NIF by Grosskopf, M.J., Drake, R.P., Kuranz, C.C., Rutter, E.M., Ross, J.S., Kugland, N.L., Plechaty, C., Remington, B.A., Spitkovsky, A., Gargate, L., Gregori, G., Bell, A., Murphy, C.D., Meinecke, J., Reville, B., Sakawa, Y., Kuramitsu, Y., Takabe, H., Froula, D.H., Fiksel, G., Miniati, F., Koenig, M., Ravasio, A., Liang, E., Fu, W., Woolsey, N., Park, H.-S.

“…Experiments investigating the physics of interpenetrating, collisionless, ablated plasma flows have become an important area of research in the…”
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Evolution of Elastic X-ray Scattering in Laser-Shocked Warm Dense Li by Kugland, N L, Gregori, G, Bandyopadhyay, S, Brenner, C, Brown, C, Constantin, C, Glenzer, S H, Khattak, F, Kritcher, A L, Niemann, C, Otten, A, Pasley, J, Pelka, A, Roth, M, Spindloe, C, Riley, D

“…We have studied the dynamics of warm dense Li with near-elastic x-ray scattering. Li foils were heated and compressed using shock waves driven by 4 ns long…”
Get full text