First results of turbulence investigation on Globus-M2 using radial correlation Doppler reflectometry
A. PONOMARENKO,
A. YASHIN,
V. GUSEV
et al.
Abstract:The first results of investigation of the turbulence structure using Doppler backscattering (DBS) on the Globus-M2 tokamak are presented. A one-channel DBS system with a variable probing frequency within the 18-26 GHz range was installed to investigate the edge plasma at normalized minor radii ρ = 0.9 – 1.1. Radial correlation Doppler reflectometry was used to study the changes in turbulence eddies after the LH transition. Correlation analysis was applied to the phase derivative of complex IQ signals of the DB… Show more
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