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Published February 2002 | Published
Journal Article Open

Study of magnetic helicity injection via plasma imaging using a high-speed digital camera


The evolution of a plasma generated by a novel planar coaxial gun is photographed using a state-of-the-art digital camera, which captures eight time-resolved images per discharge. This experiment is designed to study the fundamental physics of magnetic helicity injection, which is an important issue in fusion plasma confinement, as well as solar and astrophysical phenomena such as coronal mass ejections and accretion disk dynamics. The images presented in this paper are not only beautiful but provide a powerful way to understand the global dynamics of the plasma.

Additional Information

© 2002 IEEE. Reprinted with permission. Manuscript received June 27, 2001; revised August 17, 2001. [Posted online: 2002-08-07] This work was supported by a U.S. Department of Energy Fusion Energy Postdoctoral Fellowship and Contract DE-FG-03-98ER54461. The authors would like to thank F. Cosso, J.F. Hansen, S.E. Pracko, and C. Romero for their technical assistance.

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