TJ-II:Heavy Ion Beam Probe

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HIBP probe diagram

The advanced Heavy Ion Beam Probe can simulataneously measure the plasma electric potential φ, the electron density ne, the electron temperature Te, and a poloidal magnetic field component Bp at a point inside the plasma. [1] [2] This point can be scanned through the plasma cross-section by varying the deflection potentials (active beam control).

References

  1. L.I. Krupnik et al., Fusion Engineering and Design 56-57 (2001) 935
  2. I.S. Bondarenko et al., Rev. Sci. Instrum. 72, 583 (2001)