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Electron Temperature and Density Profile Measurements During Ion Cyclotron Resonance Heating of Hanbit Magnetic Mirror Device

S. G. Lee, J. G. Bak, S. J. Jeon, S. S. Kim, H. K. Na, C. W. Chung

Fusion Science and Technology / Volume 43 / Number 1T / January 2003 / Pages 248-252

Diagnostics / dx.doi.org/10.13182/FST03-A11963604

Published:February 8, 2018

The electron density and temperature profiles were measured in the central cell of Hanbit magnetic mirror device. The measured data were obtained during radio frequency (RF) discharges with frequencies of 3.5 and 3.75 MHz, and the RF heating power up to 200 kW under various experimental conditions. The radial electron density and temperature profiles were directly measured by a fast injection probe (FIP), and the axial and azimuthal ion saturation currents were measured from fixed array probes. The line integrated electron density was measured from a single channel interferometer and used as a reference signal for the FIP. The electron temperature measurements were carried out different diagnostic methods and compared with each other.

 
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