Recent progress in fast-ion diagnostics for magnetically confined plasmas

被引：68
|
作者：
Moseev D. [1 ]
Salewski M. [2 ]
Garcia-Muñoz M. [3 ]
Geiger B. [1 ]
Nocente M. [4 ,5 ]
机构：
[1] Max-Planck-Institut fuer Plasmaphysik, Greifswald
[2] Technical University of Denmark, Kongens Lyngby
[3] University of Seville, Seville
[4] Dipartimento di Fisica “G. Occhialini”, Universita di Milano-Bicocca, Milano
[5] Istituto di Fisica del Plasma “P. Caldirola”, Consiglio Nazionale delle Ricerche, Milano
来源：
Reviews of Modern Plasma Physics | / 2卷 / 1期
关键词：
Diagnostics; Fast ions; Fusion plasmas;
D O I：
10.1007/s41614-018-0019-4
中图分类号：
学科分类号：
摘要：
On the road to a fusion reactor, a thorough control of the fast-ion distribution plays a crucial role. Fusion-born α -particles are, indeed, a necessary ingredient of self-sustained burning plasmas. Recent developments in the diagnostic of fast-ion distributions have significantly improved our predictive capabilities towards future devices. Here, we review key diagnostic techniques for confined and lost fast ions in tokamak and stellarator plasmas. We discuss neutron and gamma-ray spectroscopy, fast-ion D- α spectroscopy, collective Thomson scattering, neutral particle analyzers, and fast-ion loss detectors. The review covers physical principles of each diagnostic, sensitivities, basic setups, and operational parameters. The review is largely (but not exclusively) based on the contributions from ASDEX Upgrade and JET. Finally, we discuss integrated data analysis of fast-ion diagnostics by velocity-space tomography which allows measurements of 2D velocity distribution functions of confined fast ions. © 2018, The Author(s).
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