Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Russell Follett"'
Autor:
John Palastro, Russell Follett, K. L. Nguyen, Brian Albright, A. M. Hansen, Lin Yin, Dustin Froula, David Turnbull
The performance of direct-drive inertial confinement fusion implosions relies critically on the coupling of laser energy to the target plasma. Cross-beam energy transfer (CBET), the resonant exchange of energy between intersecting laser beams mediate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db71520318baa628dfae24313c3cc3f2
http://arxiv.org/abs/2104.07725
http://arxiv.org/abs/2104.07725
Autor:
A. M. Hansen, J. Katz, Avram Milder, R. Huff, D.H. Froula, Dino Mastrosimone, John Palastro, Lin Yin, David Turnbull, Russell Follett, K. L. Nguyen, Brian Albright
Publikováno v:
Physical review letters. 126(7)
We measure cross-beam energy transfer (CBET) saturation by ion heating in a gas-jet plasma characterized using Thomson scattering. A wavelength-tunable ultraviolet (UV) probe laser beam interacts with four intense UV pump beams to drive large-amplitu
Autor:
David Turnbull, D. Cao, Christian Stoeckl, W. Seka, Russell Follett, V. N. Goncharov, John Palastro, A. V. Maximov, D.H. Froula, D. H. Edgell
Publikováno v:
Physical Review Letters. 124
Radiation-hydrodynamic simulations of directly driven fusion experiments at the Omega Laser Facility predict absorption accurately when targets are driven at low overlapped laser intensity. Discrepancies appear at increased intensity, however, with h
Publikováno v:
Physical Review E. 101
Multibeam absolute instability thresholds for stimulated Raman scattering (SRS) and two-plasmon decay (TPD) are calculated in three dimensions for conditions relevant to direct-drive inertial confinement fusion experiments on the OMEGA laser and at t
Publikováno v:
Physics of Plasmas. 28:062311
A parameter regime is identified for Raman amplification at high temperatures, where deleterious laser–plasma instabilities that limit current amplification experiments are avoided, yet sufficient gain for an effective power amplifier is attained.
Publikováno v:
Physics of Plasmas
Physics of Plasmas, 2019, ⟨10.1063/1.5108777⟩
HAL
Physics of Plasmas, American Institute of Physics, 2019, ⟨10.1063/1.5108777⟩
Physics of Plasmas, 2019, ⟨10.1063/1.5108777⟩
HAL
Physics of Plasmas, American Institute of Physics, 2019, ⟨10.1063/1.5108777⟩
International audience; Integrated hydrodynamics simulations of inertial confinement fusion rely on reduced physics models. To reproduce experimental trends, these models often feature tuning parameters, but this comes with a risk: over-tuning of one
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86188aed9222e391b1b805fb6f4db77d
https://hal.science/hal-03022962
https://hal.science/hal-03022962
Autor:
Quentin Moreno, Suxing Hu, E. M. Campbell, Ph. Korneev, S. Zhang, Xavier Ribeyre, R. D. Petrasso, Yoichi Sakawa, T. C. Sangster, Vladimir Tikhonchuk, A. Birkel, Emmanuel d'Humières, Riccardo Betti, M. Koenig, Chikang Li, Stefano Atzeni, Russell Follett, H. Takabe, Fredrick Seguin, Johan Frenje, Hong Sio
Publikováno v:
Physical Review Letters
Physical Review Letters, 2019, 123 (5), ⟨10.1103/PhysRevLett.123.055002⟩
Physical Review Letters, American Physical Society, 2019, 123 (5), ⟨10.1103/PhysRevLett.123.055002⟩
Physical Review Letters, 2019, 123 (5), ⟨10.1103/PhysRevLett.123.055002⟩
Physical Review Letters, American Physical Society, 2019, 123 (5), ⟨10.1103/PhysRevLett.123.055002⟩
Collisionless shocks are ubiquitous in the Universe as a consequence of supersonic plasma flows sweeping through interstellar and intergalactic media. These shocks are the cause of many observed astrophysical phenomena, but details of shock structure
Autor:
Chikang Li, Russell Follett, J. Matteucci, Derek Schaeffer, Kai Germaschewski, Amitava Bhattacharjee, Gennady Fiksel, William Fox
Publikováno v:
Physical review letters. 122(24)
We present the first laboratory observations of time-resolved electron and ion velocity distributions in magnetized collisionless shock precursors. Thomson scattering of a probe laser beam was used to observe the interaction of a laser-driven, supers
Publikováno v:
Physics of Plasmas
Physics of Plasmas, American Institute of Physics, 2019, 26 (3), pp.032301. ⟨10.1063/1.5082951⟩
Physics of Plasmas, 2019, 26 (3), pp.032301. ⟨10.1063/1.5082951⟩
Physics of Plasmas, American Institute of Physics, 2019, 26 (3), pp.032301. ⟨10.1063/1.5082951⟩
Physics of Plasmas, 2019, 26 (3), pp.032301. ⟨10.1063/1.5082951⟩
A 3-D ray based model for computing laser fields in dissipative and amplifying media is presented. The eikonal equation is solved using inverse ray-tracing on a dedicated nonstructured 3-D mesh. Inverse ray-tracing opens the possibility of using Comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1adbfe65279a23fa371fe2f201cb7168
https://hal.archives-ouvertes.fr/hal-02194476/document
https://hal.archives-ouvertes.fr/hal-02194476/document
Publikováno v:
Physics of Plasmas. 28:042109
The stimulated Raman scattering (SRS) instability can inhibit the performance of laser-driven inertial confinement fusion (ICF) implosions by scattering light into unwanted directions or by generating hot electrons that preheat the target fuel. In pr