2004
DOI: 10.1063/1.1689666
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A high density field reversed configuration (FRC) target for magnetized target fusion: First internal profile measurements of a high density FRC

Abstract: Magnetized target fusion (MTF) is a potentially low cost path to fusion, intermediate in plasma regime between magnetic and inertial fusion energy. It requires compression of a magnetized target plasma and consequent heating to fusion relevant conditions inside a converging flux conserver. To demonstrate the physics basis for MTF, a field reversed configuration (FRC) target plasma has been chosen that will ultimately be compressed within an imploding metal liner. The required FRC will need large density, and t… Show more

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Cited by 74 publications
(37 citation statements)
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“…These configurations, which were originally developed as magnetic confinement fusion systems, 17 can be self-sustaining for tens of microseconds, which is long enough to move them to within a metal liner for subsequent compression. 18 FRCs can have 19 plasma densities of ϳ0.1 g / cc and temperatures of 250 eV, and are thus suitable for liner compression with implosion times of ϳ10 s. An interesting feature of FRCs is that the field geometry is believed to remain nearly fixed during an implosion driven by a cylindrical liner. Thus the plasma density and temperature could scale more favorably than for a purely cylindrical implosion.…”
Section: Introductionmentioning
confidence: 99%
“…These configurations, which were originally developed as magnetic confinement fusion systems, 17 can be self-sustaining for tens of microseconds, which is long enough to move them to within a metal liner for subsequent compression. 18 FRCs can have 19 plasma densities of ϳ0.1 g / cc and temperatures of 250 eV, and are thus suitable for liner compression with implosion times of ϳ10 s. An interesting feature of FRCs is that the field geometry is believed to remain nearly fixed during an implosion driven by a cylindrical liner. Thus the plasma density and temperature could scale more favorably than for a purely cylindrical implosion.…”
Section: Introductionmentioning
confidence: 99%
“…[16][17][18] Researchers involved in magnetized target fusion experiments at the Los Alamos National Laboratory and Air Force Research Laboratory generated preheated plasmas confined in a closed-field-line magnetic topology called the field-reversed configuration, which were intended to be translated into and compressed by a magnetically-driven liner implosion system on the ls timescale. [19][20][21][22] The Laboratory for Laser Energetics performed radiation-driven implosions of spherical capsules, and diagnosed higher hot-spot temperatures, magnetic flux compression, and enhanced fusion yields when the target was pre-magnetized. [23][24][25] A team at the Lawrence Livermore National Laboratory computationally investigated pre-magnetization of indirect-drive ignition targets for the National Ignition Facility and found the imposed field may improve capsule stability and hot-spot formation, while relaxing the conditions needed for ignition.…”
Section: Introductionmentioning
confidence: 99%
“…The Los Alamos National Laboratory has been a proponent of field reversed configurations and what they call magnetized target fusion [54][55][56]. They produce rather dense field reversed plasmas, n * 2 9 10 22 /m 3 with a large magnetic field, about 5 T, and electron and ion temperatures of about 300 eV.…”
Section: Field Reversed Configurations and Magnetized Target Fusionmentioning
confidence: 99%