Production of high-density plasmas with high harmonic fast waves in the GAMMA 10 tandem mirror

By using high harmonic fast waves (HHFW), the density clamping due to the formation of axial eigenmodes becomes weak in the GAMMA 10 tandem mirror. The excitation of HHFW is confirmed and the transition from the mode with a large axial wave number to the mode with a small wave number is detected. Th...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2004-02, Vol.32 (1), p.161-166
Main Authors: Ichimura, M., Cho, T., Higaki, H., Hirata, M., Hojo, H., Horinouchi, K., Ishii, K., Islam, M.K., Itakura, A., Kakimoto, S., Katanuma, I., Kohagura, J., Nakashima, Y., Saito, T., Tatematsu, Y., Yamaguchi, Y., Yatsu, K., Yoshikawa, M.
Format: Article
Language:English
Subjects:
Clamps
Electrostatics
Exact sciences and technology
Frequency
Heating
Ions
Magnetic confinement and equilibrium
Magnetic mirrors
Mirrors
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma
Plasma confinement
Plasma density
Plasma devices
Plasma sources
Plasma waves
Production
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Summary:By using high harmonic fast waves (HHFW), the density clamping due to the formation of axial eigenmodes becomes weak in the GAMMA 10 tandem mirror. The excitation of HHFW is confirmed and the transition from the mode with a large axial wave number to the mode with a small wave number is detected. The production of high-energy ions as well as high-density plasmas is observed and the initial ion-temperature dependence of the higher harmonic damping is discussed.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2004.823976