The Concept of the MSE Diagnostic at the TRT Tokamak Facility

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The possibility of carrying out measurements of plasma parameters in a tokamak with reactor technologies (TRT) by means of the technique based on the Stark effect by resolving the spectrum of the split lines of Balmer series emitted by fast hydrogen atoms injected into plasma is analyzed. The code containing the models of emission applicable for the high-temperature tokamak plasma, along with the library of functions for the ray-tracing simulation of geometric optics, was used. Simulation of spectra of active neutral beam emission and plasma emission, both as a result of charge exchange on beam atoms and passive one, taking into account reflections from the plasma facing vessel elements, allowed determining parameters of the diagnostic injector and relative position of the light-collection systems and heating injectors for which the useful and background spectra could be separated. The signal gathered by the detector is simulated. The shape of the visual angle along the line of sight, optical properties of the lens materials, the instrumental function of the spectral device, the sensor characteristics, and statistical noise of the signal are taken into consideration. Based on the obtained results, a preliminary concept of the motional Stark effect (MSE) diagnostic for the tokamak with reactor technologies is proposed.

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I. Zemtsov

National Research Center Kurchatov Institute; Bauman Moscow State Technical University

编辑信件的主要联系方式.
Email: zemtsov_ia@nrcki.ru
ORCID iD: 0000-0001-9519-9750
俄罗斯联邦, Moscow, 123098; Moscow, 105005

V. Neverov

National Research Center Kurchatov Institute

Email: zemtsov_ia@nrcki.ru
俄罗斯联邦, Moscow, 123098

A. Nemets

National Research Center Kurchatov Institute

Email: zemtsov_ia@nrcki.ru
ORCID iD: 0000-0002-3163-7288
俄罗斯联邦, Moscow, 123098

V. Krupin

National Research Center Kurchatov Institute

Email: zemtsov_ia@nrcki.ru
俄罗斯联邦, Moscow, 123098

A. Pshenov

ITER Organization

Email: zemtsov_ia@nrcki.ru
法国, Route de Vinon-sur-Verdon, St. Paul Lez Durance Cedex

V. Davydenko

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: zemtsov_ia@nrcki.ru
俄罗斯联邦, Novosibirsk, 630090

N. Stupishin

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: zemtsov_ia@nrcki.ru
俄罗斯联邦, Novosibirsk, 630090

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