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Tomographic determination of plasma velocity with the use of ion Doppler spectroscopy

  • A.L. Balandin
  • Y. Ono

Abstract:

An inversion method for ion Doppler shift of spectrum lines was developed for plasma velocity measurements. By reducing the problem to the vectorial Radon transform, the characteristics of plasma ion velocity distribution such as vector potential/vorticity and velocity components were computed in two-dimensional space. Computer simulation of the reconstruction of different vector potential (vector field) models gives evidence that the reconstruction errors are acceptable, and the method can surely be used for real experimental data.

PACS. 07.05.Tp Computer modeling and simulation – 02.60.Cb Numerical simulation; solution of equations – 52.70.Kz Optical (ultraviolet, visible, infrared) measurements 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2001

Authors and Affiliations

  • A.L. Balandin
    • 1
  • Y. Ono
    • 1
  1. 1.High Temperature Plasma Center, University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-8656, JapanJP

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