Effects of laser-plasma instabilities on hydro evolution in an OMEGA-EP long-scale-length experiment

Li, J.; Hu, S. X.; Ren, C.

doi:10.1063/1.4977457

Effects of laser-plasma instabilities on hydro evolution in an OMEGA-EP long-scale-length experiment

Journal Article · Tue Feb 28 00:00:00 EST 2017 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4977457· OSTI ID:1351538

^[1]; Hu, S. X. ^[2]; Ren, C. ^[2]

Univ. of Rochester, Rochester, NY (United States); Laboratory for Laser Energetics, University of Rochester
Univ. of Rochester, Rochester, NY (United States)

Laser-plasma instabilities and hydro evolution of the coronal plasma in an OMEGA EP long-scale-length experiment with planar targets were studied with particle-in-cell (PIC) and hydrodynamic simulations. Plasma and laser conditions were first obtained in a two-dimensional DRACO hydro simulation with only inverse-bremsstrahlung absorption. Using these conditions, an OSIRIS PIC simulation was performed to study laser absorption and hot-electron generation caused by laser-plasma instabilities (LPIs) near the quarter-critical region. The obtained PIC information was subsequently coupled to another DRACO simulation to examine how the LPIs affect the overall hydrodynamics. Lastly, the results showed that the LPI-induced laser absorption increased the electron temperature but did not significantly change the density scale length in the corona.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics

Sponsoring Organization:: USDOE; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0001944

OSTI ID:: 1351538

Alternate ID(s):: OSTI ID: 1348272

Report Number(s):: 1330; 2017-32; 2017-32, 2285, 1330

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 2 Vol. 24; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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