NIFS-272

FULL TEXT (PDF, 766 KB)

Author(s):

A. Fujisawa, H. Iguchi, A. Taniike, M. Sasao, Y. Hamada

Title:

A 6MeV Heavy Ion Beam Probe for the Large Helical Device

Date of publication:

Feb. 1994

Key words:

HIBP, LHD, trajectory control, beam attenuation, energy reduction, cylindrical energy analyzer

Abstract:

A 6MeV heavy ion beam probe (HIBP) is designed for potential measurements on the Large Helical Device (LHD). The article describes a method to control the 3-D probing beam trajectories in the helical magnetic field, an estimate of beam attenuation and energy reduction arising from the long paths in the plasma, and a cylindrical analyzer as a candidate of the energy analyzer.

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