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Home / Publications / Journals / Fusion Science and Technology / Volume 51 / Number 2T

Measurement and Analysis of Magnetic Fluctuations in the HANBIT Mirror Device

J. H. Yeom, C. M. Ryu, T. Lho, M. Kwon (19P07)

Fusion Science and Technology / Volume 51 / Number 2T / February 2007 / Pages 235-237

Technical Paper / Open Magnetic Systems for Plasma Confinement

Structures of magnetic field fluctuations in the HANBIT mirror device have been measured using a movable magnetic probe. The effects of the magnetic field and the RF power on the magnetic fluctuations have been studied. Electromagnetic plasma waves in low-pressure plasmas and high-pressure plasmas have been analyzed and the results indicates that sideband mode coupling is smaller in low-pressure plasmas. It is also found that the lower sideband coupling is enhanced at the resonance point, where the frequency of applied RF wave is similar to that of local ion cyclotron frequency, and a local stabilization of magnetic fluctuations is observed to occur there.

 
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