Search Results - "Divol, L."

Interaction physics of multipicosecond Petawatt laser pulses with overdense plasma by Kemp, A J, Divol, L

“…We study the interaction of intense petawatt laser pulses with overdense plasma over several picoseconds, using two- and three-dimensional kinetic particle…”
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Dynamic control of the polarization of intense laser beams via optical wave mixing in plasmas by Michel, P, Divol, L, Turnbull, D, Moody, J D

“…When intense laser beams overlap in plasmas, the refractive index modulation created by the beat wave via the ponderomotive force can lead to optical wave…”
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Fusion Energy Output Greater than the Kinetic Energy of an Imploding Shell at the National Ignition Facility by Le Pape, S, Berzak Hopkins, L F, Divol, L, Pak, A, Dewald, E L, Bhandarkar, S, Bennedetti, L R, Bunn, T, Biener, J, Crippen, J, Casey, D, Edgell, D, Fittinghoff, D N, Gatu-Johnson, M, Goyon, C, Haan, S, Hatarik, R, Havre, M, Ho, D D-M, Izumi, N, Jaquez, J, Khan, S F, Kyrala, G A, Ma, T, Mackinnon, A J, MacPhee, A G, MacGowan, B J, Meezan, N B, Milovich, J, Millot, M, Michel, P, Nagel, S R, Nikroo, A, Patel, P, Ralph, J, Ross, J S, Rice, N G, Strozzi, D, Stadermann, M, Volegov, P, Yeamans, C, Weber, C, Wild, C, Callahan, D, Hurricane, O A

“…A series of cryogenic, layered deuterium-tritium (DT) implosions have produced, for the first time, fusion energy output twice the peak kinetic energy of the…”
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Observing the onset of pressure-driven K-shell delocalization by Döppner, T., Bethkenhagen, M., Kraus, D., Neumayer, P., Chapman, D. A., Bachmann, B., Baggott, R. A., Böhme, M. P., Divol, L., Falcone, R. W., Fletcher, L. B., Landen, O. L., MacDonald, M. J., Saunders, A. M., Schörner, M., Sterne, P. A., Vorberger, J., Witte, B. B. L., Yi, A., Redmer, R., Glenzer, S. H., Gericke, D. O.

“…The gravitational pressure in many astrophysical objects exceeds one gigabar (one billion atmospheres) 1 – 3 , creating extreme conditions where the distance…”
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Multibeam Stimulated Raman Scattering in Inertial Confinement Fusion Conditions by Michel, P, Divol, L, Dewald, E L, Milovich, J L, Hohenberger, M, Jones, O S, Hopkins, L Berzak, Berger, R L, Kruer, W L, Moody, J D

“…Stimulated Raman scattering from multiple laser beams arranged in a cone sharing a common daughter wave is investigated for inertial confinement fusion (ICF)…”
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Record Energetics for an Inertial Fusion Implosion at NIF by Zylstra, A B, Kritcher, A L, Hurricane, O A, Callahan, D A, Baker, K, Braun, T, Casey, D T, Clark, D, Clark, K, Döppner, T, Divol, L, Hinkel, D E, Hohenberger, M, Kong, C, Landen, O L, Nikroo, A, Pak, A, Patel, P, Ralph, J E, Rice, N, Tommasini, R, Schoff, M, Stadermann, M, Strozzi, D, Weber, C, Young, C, Wild, C, Town, R P J, Edwards, M J

“…Inertial confinement fusion seeks to create burning plasma conditions in a spherical capsule implosion, which requires efficiently absorbing the driver energy…”
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Impact of Localized Radiative Loss on Inertial Confinement Fusion Implosions by Pak, A, Divol, L, Weber, C R, Hopkins, L F Berzak, Clark, D S, Dewald, E L, Fittinghoff, D N, Geppert-Kleinrath, V, Hohenberger, M, Le Pape, S, Ma, T, MacPhee, A G, Mariscal, D A, Marley, E, Moore, A S, Pickworth, L A, Volegov, P L, Wilde, C, Hurricane, O A, Patel, P K

“…The impact to fusion energy production due to the radiative loss from a localized mix in inertial confinement implosions using high density carbon capsule…”
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Tuning the implosion symmetry of ICF targets via controlled crossed-beam energy transfer by Michel, P, Divol, L, Williams, E A, Weber, S, Thomas, C A, Callahan, D A, Haan, S W, Salmonson, J D, Dixit, S, Hinkel, D E, Edwards, M J, Macgowan, B J, Lindl, J D, Glenzer, S H, Suter, L J

“…Radiative hydrodynamics simulations of ignition experiments show that energy transfer between crossing laser beams allows tuning of the implosion symmetry. A…”
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High Power Dynamic Polarization Control Using Plasma Photonics by Turnbull, D, Michel, P, Chapman, T, Tubman, E, Pollock, B B, Chen, C Y, Goyon, C, Ross, J S, Divol, L, Woolsey, N, Moody, J D

“…We report the first experimental demonstration of a plasma wave plate based on laser-induced birefringence. An elliptically polarized input was converted into…”
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Inverse Bremsstrahlung Absorption by Turnbull, D, Katz, J, Sherlock, M, Divol, L, Shaffer, N R, Strozzi, D J, Colaïtis, A, Edgell, D H, Follett, R K, McMillen, K R, Michel, P, Milder, A L, Froula, D H

“…Inverse bremsstrahlung absorption was measured based on transmission through a finite-length plasma that was thoroughly characterized using spatially resolved…”
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Interplay of Laser-Plasma Interactions and Inertial Fusion Hydrodynamics by Strozzi, D J, Bailey, D S, Michel, P, Divol, L, Sepke, S M, Kerbel, G D, Thomas, C A, Ralph, J E, Moody, J D, Schneider, M B

“…The effects of laser-plasma interactions (LPI) on the dynamics of inertial confinement fusion hohlraums are investigated via a new approach that…”
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Observation of a reflected shock in an indirectly driven spherical implosion at the national ignition facility by Le Pape, S, Divol, L, Berzak Hopkins, L, Mackinnon, A, Meezan, N B, Casey, D, Frenje, J, Herrmann, H, McNaney, J, Ma, T, Widmann, K, Pak, A, Grimm, G, Knauer, J, Petrasso, R, Zylstra, A, Rinderknecht, H, Rosenberg, M, Gatu-Johnson, M, Kilkenny, J D

“…A 200  μm radius hot spot at more than 2 keV temperature, 1  g/cm^{3} density has been achieved on the National Ignition Facility using a near vacuum hohlraum…”
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Plasma-based beam combiner for very high fluence and energy by Kirkwood, R. K., Turnbull, D. P., Chapman, T., Wilks, S. C., Rosen, M. D., London, R. A., Pickworth, L. A., Dunlop, W. H., Moody, J. D., Strozzi, D. J., Michel, P. A., Divol, L., Landen, O. L., MacGowan, B. J., Van Wonterghem, B. M., Fournier, K. B., Blue, B. E.

“…Extreme optical fluences, much beyond the damage threshold of conventional optics, are of interest for a range of high-energy-density physics applications…”
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Plasma Collision in a Gas Atmosphere by Le Pape, S, Divol, L, Huser, G, Katz, J, Kemp, A, Ross, J S, Wallace, R, Wilks, S

“…We present a study on the impact of a gas atmosphere on the collision of two counterpropagating plasmas (gold and carbon). Imaging optical Thomson scattering…”
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Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System by Turnbull, D, Goyon, C, Kemp, G E, Pollock, B B, Mariscal, D, Divol, L, Ross, J S, Patankar, S, Moody, J D, Michel, P

“…We report the first complete set of measurements of a laser-plasma optical system's refractive index, as seen by a second probe laser beam, as a function of…”
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Polarization-Dependent Theory of Two-Wave Mixing in Nonlinear Media, and Application to Dynamical Polarization Control by Michel, P., Kur, E., Lazarow, M., Chapman, T., Divol, L., Wurtele, J. S.

“…A scheme for controlling the polarization of a light wave via its interaction with an auxiliary beam in a nonlinear optical medium is proposed. We first…”
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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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Hohlraum Reheating from Burning NIF Implosions by Rubery, M S, Rosen, M D, Aybar, N, Landen, O L, Divol, L, Young, C V, Weber, C, Hammer, J, Moody, J D, Moore, A S, Kritcher, A L, Zylstra, A B, Hurricane, O, Pak, A E, MacLaren, S, Zimmerman, G, Harte, J, Woods, T

“…As fusion experiments at the National Ignition Facility (NIF) approach and exceed breakeven, energy from the burning capsule is predicted to couple to the gold…”
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Measurements of the critical power for self-injection of electrons in a laser wakefield accelerator by Froula, D H, Clayton, C E, Döppner, T, Marsh, K A, Barty, C P J, Divol, L, Fonseca, R A, Glenzer, S H, Joshi, C, Lu, W, Martins, S F, Michel, P, Mori, W B, Palastro, J P, Pollock, B B, Pak, A, Ralph, J E, Ross, J S, Siders, C W, Silva, L O, Wang, T

“…A laser wakefield acceleration study has been performed in the matched, self-guided, blowout regime producing 720 +/- 50 MeV quasimonoenergetic electrons with…”
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Observations of continuum depression in warm dense matter with x-ray Thomson scattering by Fletcher, L B, Kritcher, A L, Pak, A, Ma, T, Döppner, T, Fortmann, C, Divol, L, Jones, O S, Landen, O L, Scott, H A, Vorberger, J, Chapman, D A, Gericke, D O, Mattern, B A, Seidler, G T, Gregori, G, Falcone, R W, Glenzer, S H

“…Detailed measurements of the electron densities, temperatures, and ionization states of compressed CH shells approaching pressures of 50 Mbar are achieved with…”
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