Black-body radiation as an inertial confinement fusion driver

Details Black-body radiation as an inertial confinement fusion driver Black-body radiation as an inertial confinement fusion driver

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.286..364w&link_type=abstract

Nature, vol. 286, July 24, 1980, p. 364-366.

Physics

Plasma Physics

7

Black Body Radiation, Controlled Fusion, Inertial Fusion (Reactor), Charged Particles, Plasma Physics, Shock Waves

Scientific paper

A two-stage inertial confinement fusion driver which would allow the use of charged particle beams or hypervelocity projectiles as a power source is presented. The proposed driver consists of a thermonuclear target placed inside a gas-filled cavity formed by a dense shell which in turn is covered by an ablative layer of low atomic number material. Particle or projectile beams would strike the ablative material from all sides, causing the dense wall to implode into the cavity, resulting in a shock wave moving through the gas. The shock-heated gas would then become an intense source of black-body radiation, which is compressed and amplified by the cavity implosion and delivered to the target surface. Use of this concept would not only permit a 100-fold reduction in initial driver power but would relax beam focusing requirements as compared with direct pellet fusion.

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