The overview discusses development of the unique fusion plasma diagnostics—Heavy Ion
Beam Probing (HIBP) in application to toroidal magnetic plasma devices. The basis of the …

Heavy ion beam probing (HIBP) is a unique diagnostics to study the core plasma potential
and turbulence. Advanced HIBPs operate in the T-10 tokamak and TJ-II flexible heliac with …

Transport is the outstanding physics issue in the quest for fusion by magnetic confinement.
In spite of the intrinsic difficulty, a great deal of progress has been made in the past 25 years …

The operating principles, measurement capabilities, hardware, and data analysis
techniques of heavy ion beam probe diagnostics as used by the Rensselaer Plasma …

Energetic ion driven Alfvén eigenmodes (AEs) are believed to be an important element
disturbing the transport in a future fusion reactor. The studies of the AE properties in modern …

Motivated by the need to measure fast equilibrium temporal dynamics, non-axisymmetric
structures, and core magnetic fluctuations (coherent and broadband), a three-chord Faraday …

Understanding plasma stability and confinement in a reversed-field pinch RFP, or any
toroidal confinement device, requires detailed information on the internal magnetic field …

A pulsating behavior of the electrostatic potential has been discovered in a low-density, high-
electron-temperature plasma of the CHS heliotron/torsatron. The potential profiles were …

Alfvén eigenmodes (AEs) were studied in low magnetic shear flexible heliac TJ-II (B 0= 0.95
T, R 0= 1.5 m, $\langle a\rangle $= 0.22 m) neutral beam injection (NBI) heated plasmas (P …

The bifurcation nature of the electrostatic structure is studied in the toroidal helical plasma of
the Compact Helical System (CHS)[K. Matsuoka et al., Proceedings of the 12th International …