The plasma potential and its fluctuations were measured by electron emissive probes in the edge plasma regions of tokamaks. Fusion experiments were conducted on ISTTOK tokamak, Portugal and CASTOR tokamak, Czech Republic. In ISTTOK, three emissive probes were used. In CASTOR, two emissive probes were used which could be radially shifted. The advantage of a sufficiently emissive probe is that it allows plasma potential and its fluctuations to be measured directly.
Balan, P., Schrittwieser, R., Ionita, C., Cabral, J., Figueiredo, H., Fernandes, H., et al. (2003). Emissive probe measurements of plasma potential fluctuations in the edge plasma regions of tokamaks. REVIEW OF SCIENTIFIC INSTRUMENTS, 74(3), 1583-1587 [10.1063/1.1527258].
Emissive probe measurements of plasma potential fluctuations in the edge plasma regions of tokamaks
Martines E;
2003
Abstract
The plasma potential and its fluctuations were measured by electron emissive probes in the edge plasma regions of tokamaks. Fusion experiments were conducted on ISTTOK tokamak, Portugal and CASTOR tokamak, Czech Republic. In ISTTOK, three emissive probes were used. In CASTOR, two emissive probes were used which could be radially shifted. The advantage of a sufficiently emissive probe is that it allows plasma potential and its fluctuations to be measured directly.
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