Abstract
A procedure for radiophysics diagnostics of stationary discharges sustained in the field of propagating surface waves is developed in this study. The capability of the interferogram method, well known as a method for obtaining the axial profile of the plasma density n( z), is extended to the determination of the electron-neutral elastic collision frequency ν and the parameter μ, which characterizes the transverse plasma inhomogeneity. The procedure involves: (i) measurements of the axial profile of the electric field power, (ii) numerical results for the surface-wave dispersion behaviour in inhomogeneous collisional plasma waveguides and, (iii) experimental results for the space-damping rate α of the wave, besides the data for the wavenumber β.
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