Search Results - "Meyerhofer, D."

Scaling the yield of laser-driven electron-positron jets to laboratory astrophysical applications by Chen, Hui, Fiuza, F, Link, A, Hazi, A, Hill, M, Hoarty, D, James, S, Kerr, S, Meyerhofer, D D, Myatt, J, Park, J, Sentoku, Y, Williams, G J

“…We report new experimental results obtained on three different laser facilities that show directed laser-driven relativistic electron-positron jets with up to…”
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Relativistic quasimonoenergetic positron jets from intense laser-solid interactions by Chen, Hui, Wilks, S C, Meyerhofer, D D, Bonlie, J, Chen, C D, Chen, S N, Courtois, C, Elberson, L, Gregori, G, Kruer, W, Landoas, O, Mithen, J, Myatt, J, Murphy, C D, Nilson, P, Price, D, Schneider, M, Shepherd, R, Stoeckl, C, Tabak, M, Tommasini, R, Beiersdorfer, P

“…Detailed angle and energy resolved measurements of positrons ejected from the back of a gold target that was irradiated with an intense picosecond duration…”
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Proton Radiography of Inertial Fusion Implosions by Rygg, J.R, Séguin, F.H, Li, C.K, Frenje, J.A, Manuel, M.J.-E, Petrasso, R.D, Betti, R, Delettrez, J.A, Gotchev, O.V, Knauer, J.P, Meyerhofer, D.D, Marshall, F.J, Stoeckl, C, Theobald, W

“…A distinctive way of quantitatively imaging inertial fusion implosions has resulted in the characterization of two different types of electromagnetic…”
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Precision mapping of laser-driven magnetic fields and their evolution in high-energy-density plasmas by Gao, L, Nilson, P M, Igumenshchev, I V, Haines, M G, Froula, D H, Betti, R, Meyerhofer, D D

“…The magnetic fields generated at the surface of a laser-irradiated planar solid target are mapped using ultrafast proton radiography. Thick (50  μm) plastic…”
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First observations of nonhydrodynamic mix at the fuel-shell interface in shock-driven inertial confinement implosions by Rinderknecht, H G, Sio, H, Li, C K, Zylstra, A B, Rosenberg, M J, Amendt, P, Delettrez, J, Bellei, C, Frenje, J A, Gatu Johnson, M, Séguin, F H, Petrasso, R D, Betti, R, Glebov, V Yu, Meyerhofer, D D, Sangster, T C, Stoeckl, C, Landen, O, Smalyuk, V A, Wilks, S, Greenwood, A, Nikroo, A

“…A strong nonhydrodynamic mechanism generating atomic fuel-shell mix has been observed in strongly shocked inertial confinement fusion implosions of thin…”
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Relativistic positron creation using ultraintense short pulse lasers by Chen, Hui, Wilks, Scott C, Bonlie, James D, Liang, Edison P, Myatt, Jason, Price, Dwight F, Meyerhofer, David D, Beiersdorfer, Peter

“…We measure up to 2x10;{10} positrons per steradian ejected out the back of approximately mm thick gold targets when illuminated with short ( approximately 1…”
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Fusion yield enhancement in magnetized laser-driven implosions by Chang, P Y, Fiksel, G, Hohenberger, M, Knauer, J P, Betti, R, Marshall, F J, Meyerhofer, D D, Séguin, F H, Petrasso, R D

“…Enhancement of the ion temperature and fusion yield has been observed in magnetized laser-driven inertial confinement fusion implosions on the OMEGA Laser…”
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First measurements of Rayleigh-Taylor-induced magnetic fields in laser-produced plasmas by Manuel, M J-E, Li, C K, Séguin, F H, Frenje, J, Casey, D T, Petrasso, R D, Hu, S X, Betti, R, Hager, J D, Meyerhofer, D D, Smalyuk, V A

“…The first experimental demonstration of Rayleigh-Taylor-induced magnetic fields due to the Biermann battery effect has been made. Experiments with…”
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Magnetic field generation by the Rayleigh-Taylor instability in laser-driven planar plastic targets by Gao, L, Nilson, P M, Igumenschev, I V, Hu, S X, Davies, J R, Stoeckl, C, Haines, M G, Froula, D H, Betti, R, Meyerhofer, D D

“…Magnetic fields generated by the Rayleigh-Taylor instability were measured in laser-accelerated planar foils using ultrafast proton radiography. Thin plastic…”
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Ion thermal decoupling and species separation in shock-driven implosions by Rinderknecht, Hans G, Rosenberg, M J, Li, C K, Hoffman, N M, Kagan, G, Zylstra, A B, Sio, H, Frenje, J A, Gatu Johnson, M, Séguin, F H, Petrasso, R D, Amendt, P, Bellei, C, Wilks, S, Delettrez, J, Glebov, V Yu, Stoeckl, C, Sangster, T C, Meyerhofer, D D, Nikroo, A

“…Anomalous reduction of the fusion yields by 50% and anomalous scaling of the burn-averaged ion temperatures with the ion-species fraction has been observed for…”
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X-ray Thomson-scattering measurements of density and temperature in shock-compressed beryllium by Lee, H J, Neumayer, P, Castor, J, Döppner, T, Falcone, R W, Fortmann, C, Hammel, B A, Kritcher, A L, Landen, O L, Lee, R W, Meyerhofer, D D, Munro, D H, Redmer, R, Regan, S P, Weber, S, Glenzer, S H

“…We present the first x-ray scattering measurements of the state of compression and heating in laser irradiated solid beryllium. The scattered spectra at two…”
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Demonstration of the highest deuterium-tritium areal density using multiple-picket cryogenic designs on OMEGA by Goncharov, V N, Sangster, T C, Boehly, T R, Hu, S X, Igumenshchev, I V, Marshall, F J, McCrory, R L, Meyerhofer, D D, Radha, P B, Seka, W, Skupsky, S, Stoeckl, C, Casey, D T, Frenje, J A, Petrasso, R D

“…The performance of triple-picket deuterium-tritium cryogenic target designs on the OMEGA Laser System [T. R. Boehly, Opt. Commun. 133, 495 (1997)] is reported…”
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Exploration of the transition from the hydrodynamiclike to the strongly kinetic regime in shock-driven implosions by Rosenberg, M J, Rinderknecht, H G, Hoffman, N M, Amendt, P A, Atzeni, S, Zylstra, A B, Li, C K, Séguin, F H, Sio, H, Johnson, M Gatu, Frenje, J A, Petrasso, R D, Glebov, V Yu, Stoeckl, C, Seka, W, Marshall, F J, Delettrez, J A, Sangster, T C, Betti, R, Goncharov, V N, Meyerhofer, D D, Skupsky, S, Bellei, C, Pino, J, Wilks, S C, Kagan, G, Molvig, K, Nikroo, A

“…Clear evidence of the transition from hydrodynamiclike to strongly kinetic shock-driven implosions is, for the first time, revealed and quantitatively…”
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Mitigating laser imprint in direct-drive inertial confinement fusion implosions with high-Z dopants by Hu, S X, Fiksel, G, Goncharov, V N, Skupsky, S, Meyerhofer, D D, Smalyuk, V A

“…Nonuniformities seeded by both long- and short-wavelength laser perturbations can grow via Rayleigh-Taylor (RT) instability in direct-drive inertial…”
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Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion by Li, C K, Séguin, F H, Rygg, J R, Frenje, J A, Manuel, M, Petrasso, R D, Betti, R, Delettrez, J, Knauer, J P, Marshall, F, Meyerhofer, D D, Shvarts, D, Smalyuk, V A, Stoeckl, C, Landen, O L, Town, R P J, Back, C A, Kilkenny, J D

“…Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion…”
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Velocity and timing of multiple spherically converging shock waves in liquid deuterium by Boehly, T R, Goncharov, V N, Seka, W, Barrios, M A, Celliers, P M, Hicks, D G, Collins, G W, Hu, S X, Marozas, J A, Meyerhofer, D D

“…The fuel entropy and required drive energy for an inertial confinement fusion implosion are set by a sequence of shocks that must be precisely timed to achieve…”
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Inelastic x-ray scattering from shocked liquid deuterium by Regan, S P, Falk, K, Gregori, G, Radha, P B, Hu, S X, Boehly, T R, Crowley, B J B, Glenzer, S H, Landen, O L, Gericke, D O, Döppner, T, Meyerhofer, D D, Murphy, C D, Sangster, T C, Vorberger, J

“…The Fermi-degenerate plasma conditions created in liquid deuterium by a laser-ablation-driven shock wave were probed with noncollective, spectrally resolved,…”
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Observation of self-similarity in the magnetic fields generated by the ablative nonlinear Rayleigh-Taylor instability by Gao, L, Nilson, P M, Igumenschev, I V, Fiksel, G, Yan, R, Davies, J R, Martinez, D, Smalyuk, V, Haines, M G, Blackman, E G, Froula, D H, Betti, R, Meyerhofer, D D

“…Magnetic fields generated by the nonlinear Rayleigh-Taylor growth of laser-seeded three-dimensional broadband perturbations were measured in laser-accelerated…”
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Hot-spot mix in ignition-scale inertial confinement fusion targets by Regan, S P, Epstein, R, Hammel, B A, Suter, L J, Scott, H A, Barrios, M A, Bradley, D K, Callahan, D A, Cerjan, C, Collins, G W, Dixit, S N, Döppner, T, Edwards, M J, Farley, D R, Fournier, K B, Glenn, S, Glenzer, S H, Golovkin, I E, Haan, S W, Hamza, A, Hicks, D G, Izumi, N, Jones, O S, Kilkenny, J D, Kline, J L, Kyrala, G A, Landen, O L, Ma, T, MacFarlane, J J, MacKinnon, A J, Mancini, R C, McCrory, R L, Meezan, N B, Meyerhofer, D D, Nikroo, A, Park, H-S, Ralph, J, Remington, B A, Sangster, T C, Smalyuk, V A, Springer, P T, Town, R P J

“…Mixing of plastic ablator material, doped with Cu and Ge dopants, deep into the hot spot of ignition-scale inertial confinement fusion implosions by…”
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Charged-Particle Probing of X-ray-Driven Inertial-Fusion Implosions by Li, C. K., Séguin, F. H., Frenje, J. A., Rosenberg, M., Petrasso, R. D., Amendt, P. A., Koch, J. A., Landen, O. L., Park, H. S., Robey, H. F., Town, R. P. J., Casner, A., Philippe, F., Betti, R., Knauer, J. P., Meyerhofer, D. D., Back, C. A., Kilkenny, J. D., Nikroo, A.

“…Measurements of x-ray-driven implosions with charged particles have resulted in the quantitative characterization of critical aspects of indirect-drive…”
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