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Title: Laser-plasma interactions in magnetized environment

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.5017980· OSTI ID:1465664
ORCiD logo [1];  [2]; ORCiD logo [1]
  1. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences; Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  2. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences; Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Univ. of Science and Technology of China, Hefei (China). School of Nuclear Science and Technology and Dept. of Modern Physics

Propagation and scattering of lasers present new phenomena and applications when the plasma medium becomes strongly magnetized. With mega-Gauss magnetic fields, scattering of optical lasers already becomes manifestly anisotropic. Special angles exist where coherent laser scattering is either enhanced or suppressed, as we demonstrate using a cold-fluid model. Consequently, by aiming laser beams at special angles, one may be able to optimize laser-plasma coupling in magnetized implosion experiments. In addition, magnetized scattering can be exploited to improve the performance of plasma-based laser pulse amplifiers. Using the magnetic field as an extra control variable, it is possible to produce optical pulses of higher intensity, as well as compress UV and soft x-ray pulses beyond the reach of other methods. In even stronger giga-Gauss magnetic fields, laser-plasma interaction enters a relativistic-quantum regime. Using quantum electrodynamics, we compute a modified wave dispersion relation, which enables correct interpretation of Faraday rotation measurements of strong magnetic fields.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); US Air Force Office of Scientific Research (AFOSR)
Grant/Contract Number:
AC02-09CH11466; FA9550-15-1-0391; NA0002948
OSTI ID:
1465664
Alternate ID(s):
OSTI ID: 1426022
Journal Information:
Physics of Plasmas, Vol. 25, Issue 5; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Cited By (8)

Determining the rotation direction in pulsars journal July 2019
Amplification of mid-infrared lasers via backscattering in magnetized plasmas journal July 2019
Relativistic kinetic theory for spin-1/2 particles: Conservation laws, thermodynamics, and linear waves journal August 2019
Three-wave interactions in magnetized warm-fluid plasmas: General theory with evaluable coupling coefficient journal June 2019
Laser Amplification in Strongly Magnetized Plasma journal July 2019
Laser Amplification in Strongly-Magnetized Plasma text January 2018
Three-wave interactions in magnetized warm-fluid plasmas: general theory with evaluable coupling coefficient text January 2019
Relativistic kinetic theory for spin-1/2 particles: Conservation laws, thermodynamics, and linear waves text January 2019