Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field
Abstract
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.
- Authors:
-
[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)
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1364547
- Alternate Identifier(s):
- OSTI ID: 1638078
- Report Number(s):
- LA-UR-16-28331
Journal ID: ISSN 0741-3335
- Grant/Contract Number:
- AC52-06NA25396; NA0002075; SC0016500
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Plasma Physics and Controlled Fusion
- Additional Journal Information:
- Journal Volume: 59; Journal Issue: 8; Journal ID: ISSN 0741-3335
- Publisher:
- IOP Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; laser matter interaction; magnetic fields; plasma disc
Citation Formats
Ivanov, V. V., Maximov, A. V., Betti, R., Wiewior, P. P., Hakel, Peter, and Sherrill, Manolo Edgar. Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field. United States: N. p., 2017.
Web. doi:10.1088/1361-6587/aa7358.
Ivanov, V. V., Maximov, A. V., Betti, R., Wiewior, P. P., Hakel, Peter, & Sherrill, Manolo Edgar. Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field. United States. https://doi.org/10.1088/1361-6587/aa7358
Ivanov, V. V., Maximov, A. V., Betti, R., Wiewior, P. P., Hakel, Peter, and Sherrill, Manolo Edgar. Tue .
"Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field". United States. https://doi.org/10.1088/1361-6587/aa7358. https://www.osti.gov/servlets/purl/1364547.
@article{osti_1364547,
title = {Generation of disc-like plasma from laser-matter interaction in the presence of a strong external magnetic field},
author = {Ivanov, V. V. and Maximov, A. V. and Betti, R. and Wiewior, P. P. and Hakel, Peter and Sherrill, Manolo Edgar},
abstractNote = {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.},
doi = {10.1088/1361-6587/aa7358},
journal = {Plasma Physics and Controlled Fusion},
number = 8,
volume = 59,
place = {United States},
year = {Tue Jun 13 00:00:00 EDT 2017},
month = {Tue Jun 13 00:00:00 EDT 2017}
}
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Figures / Tables:
Figure 1: (a) The experimental setup for the laser interaction with rod loads at 1 MA current. (b) A UV shadowgram at 266 nm of the laser-produced plasma on the 1 mm Al load without current with the delay of 4 ns after the laser pulse. (c) A shadowgram ofmore »
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Works referencing / citing this record:
Experimental platform for investigations of high-intensity laser plasma interactions in the magnetic field of a pulsed power generator
journal, March 2018
- Ivanov, V. V.; Maximov, A. V.; Swanson, K. J.
- Review of Scientific Instruments, Vol. 89, Issue 3
The influence of the Hall term on the development of magnetized laser-produced plasma jets
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Pulsed magnetic field device for laser plasma experiments at Shenguang-II laser facility
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Study of laser produced plasma in a longitudinal magnetic field
journal, June 2019
- Ivanov, V. V.; Maximov, A. V.; Betti, R.
- Physics of Plasmas, Vol. 26, Issue 6
Figures / Tables found in this record:
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