Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field

Ivanov, V. V.; Maximov, A. V.; Betti, R.; Wiewior, P. P.; Hakel, Peter; Sherrill, Manolo Edgar

doi:10.1088/1361-6587/aa7358

Title: Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field

Journal Article · Tue Jun 13 00:00:00 EDT 2017 · Plasma Physics and Controlled Fusion

DOI:https://doi.org/10.1088/1361-6587/aa7358· OSTI ID:1364547

Ivanov, V. V. ^[1]; Maximov, A. V. ^[2]; Betti, R. ^[3]; Wiewior, P. P. ^[1];

^[4]; Sherrill, Manolo Edgar ^[4]

Univ. of Nevada, Reno, NV (United States). Dept. of Physics
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Univ. of Rochester, NY (United States). Dept. of Physics and Astronomy
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Dynamics of laser produced plasma in a strong magnetic field was studied here using a 1 MA pulsed power generator coupled to an intense, high-energy laser. A 2–2.5 MG magnetic field was generated on the surface of a rod load 0.8–1.2 mm in diameter. A sub-nanosecond laser pulse with intensity of 3 × 10¹⁵ W cm^-2 was focused on the rod load surface. Side-on laser diagnostics showed the generation of two collimated jets 1–3 mm long on the front and rear sides of the load. End-on laser diagnostics reveal that the laser produced plasma in the MG magnetic field takes the form of a thin disc as the plasma propagates along the magnetic field lines. The disc-like plasma expands radially across the magnetic field with a velocity of 250 km s^-1. An electron temperature of 400 eV was measured in the laser-produced plasma on the rod load.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

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

Grant/Contract Number:: AC52-06NA25396; NA0002075; SC0016500

OSTI ID:: 1364547

Alternate ID(s):: OSTI ID: 1638078

Report Number(s):: LA-UR-16-28331

Journal Information:: Plasma Physics and Controlled Fusion, Vol. 59, Issue 8; ISSN 0741-3335

Publisher:: IOP ScienceCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 13 works

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Cited By (4)

Experimental platform for investigations of high-intensity laser plasma interactions in the magnetic field of a pulsed power generator Ivanov, V. V.; Maximov, A. V.; Swanson, K. J. Review of Scientific Instruments, Vol. 89, Issue 3 https://doi.org/10.1063/1.5016973	journal	March 2018
The influence of the Hall term on the development of magnetized laser-produced plasma jets Hamlin, N. D.; Seyler, C. E.; Khiar, B. Physics of Plasmas, Vol. 25, Issue 4 https://doi.org/10.1063/1.5017202	journal	April 2018
Pulsed magnetic field device for laser plasma experiments at Shenguang-II laser facility Hu, Peng; Hu, Guang-yue; Wang, Yu-lin Review of Scientific Instruments, Vol. 91, Issue 1 https://doi.org/10.1063/1.5139613	journal	January 2020
Study of laser produced plasma in a longitudinal magnetic field Ivanov, V. V.; Maximov, A. V.; Betti, R. Physics of Plasmas, Vol. 26, Issue 6 https://doi.org/10.1063/1.5091702	journal	June 2019

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