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- Title
Electron Temperature Measurements at the Globus-M2 Tokamak using Multi-Laser Thomson Scattering.
- Authors
Kurskiev, G. S.; Zhiltsov, N. S.; Koval, A. N.; Kornev, A. F.; Makarov, A. M.; Mukhin, E. E.; Petrov, Yu. V.; Sakharov, N. V.; Solovey, V. A.; Tkachenko, E. E.; Tolstyakov, S. Yu; Chernakov, P. V.
- Abstract
diagnostics of the plasma electron component by the metho d of Thomson scattering Te(R, t) of laser radiation makes it possible to reliably measure the spatial distributions of the electron temperature and density. One of the obstacles to the implementation of TS diagnostics in thermonuclear reactors is the distortion of the spectral characteristics of the optical system due to radiation-induced absorption and contamination of optical elements with erosion products of the first wall. As a consequence, the reliability of measurements by the TS method will decrease over time. The paper describes the method of multi-laser Thomson scattering, which will solve this problem. The results of the first experiments on the Globus-M2 tokamak are also presented.
- Subjects
THOMSON scattering; ELECTRON temperature measurement; TOKAMAKS; PLASMA diagnostics; ELECTRON distribution; OPTICAL elements
- Publication
Technical Physics Letters, 2023, Vol 49, pS270
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785023010212