Observation of a magnetic field line in the T-10 tokamak
Egorov S. M. , Kuteev B. V. , Miroshnikov I. V., Sergeev V. Yu.
High-speed photography of the evaporation of a graphite pellet injected into a tokamak has made it possible to measure the direction of the magnetic field in the plasma and to calculate the profile of the safety factor, q(r).