Article

Microwave enhanced-scattering correlation diagnostics of a turbulent plasma

Plasma Physics Reports (impact factor: 0.65). 12/2002; 29(1):42-52. DOI:10.1134/1.1538501 pp.42-52

ABSTRACT A study is made of the influence of large-scale plasma turbulence on the results from a diagnostic method that is based on
enhanced scattering of microwaves near the upper hybrid resonance and is highly sensitive to small-scale fluctuations. The
resolution in radial wavenumbers that is provided by an enhanced-scattering correlation analysis of small-scale fluctuations
with allowance for multiple small-angle scatterings of the probing and scattered waves along their paths is determined. The
frequency spectrum of a wave that is backscattered by the small-scale fluctuations involved in large-scale turbulent motion
and undergoes multiple smallangle scatterings is analyzed.

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Keywords

diagnostic method
 
enhanced-scattering correlation analysis
 
large-scale plasma turbulence
 
large-scale turbulent motion
 
microwaves
 
multiple small-angle scatterings
 
small-scale fluctuations
 
undergoes multiple smallangle scatterings
 
upper hybrid resonance
 

E. Z. Gusakov